code402

{
  "schema_version": "a2a-2026.1",
  "name": "code402",
  "description": "Deterministic business-identifier validation (IBAN, LEI, VAT, SWIFT/BIC + more) and rental due-diligence, paid per call via x402 (gasless USDC on Base). Signed offline-verifiable receipts. Free tier 5 calls/day. Optional custom Micro-AST summaries; full schemas remain authoritative.",
  "url": "https://hcrb.in/a2a",
  "preferredTransport": "JSONRPC",
  "protocolVersion": "1.0.1",
  "version": "1.3.0",
  "provider": {
    "organization": "openfang",
    "url": "https://hcrb.in",
    "legalName": "JUANA LIMITED",
    "companyNumber": "14043409",
    "jurisdiction": "United Kingdom (Companies House #14043409)",
    "addressLocality": "Coventry, UK"
  },
  "identity": {
    "standard": "ERC-8004",
    "network": "eip155:8453",
    "operator_wallet": "0xc59c85e661d34084a7769f955d17fd38254a6235",
    "xdr1_receipt_signer": "0xa036e2e3e19c6d02f30b3a9eb0acd057e6d9a5c8",
    "jwks_uri": "https://hcrb.in/.well-known/jwks.json"
  },
  "authentication": {
    "schemes": [
      "x402-v2-payment-signature",
      "bearer-ck-live-quota"
    ],
    "instructions": "Autonomous agents settle per-call via the x402 v2 PAYMENT-SIGNATURE header (Base USDC/EURC). Enterprise/iPaaS workflows pass 'Authorization: Bearer ck_live_...' provisioned instantly at https://hcrb.in/checkout."
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": true,
    "micro_ast_bytecode": true,
    "mcp_transport": "streamable-http",
    "mcp_endpoint": "https://hcrb.in/mcp",
    "x402_auto_pay": true,
    "ap2_mandate_verification": true,
    "ucp_commerce_guard": true,
    "extensions": [
      {
        "uri": "https://github.com/google-agentic-commerce/a2a-x402/blob/main/spec/v0.2/spec.md",
        "description": "x402 on-chain payments (USDC on Base) for monetized skills \u2014 declare via POST /a2a message/send",
        "required": false
      }
    ]
  },
  "payment": {
    "rails": [
      "x402-v2",
      "mpp-1.0",
      "operator-quota"
    ],
    "treasury_address": "0xc59c85e661d34084a7769f955d17fd38254a6235",
    "facilitator_take_rate_bps": 0,
    "receipt_signer": "0xa036e2e3e19c6d02f30b3a9eb0acd057e6d9a5c8"
  },
  "discovery_standards": {
    "micro_ast": "https://hcrb.in/.well-known/micro-ast.json",
    "micro_ast_grammar": "tool_name(arg1:type[req],arg2:type[req])->return_type",
    "skills_listed": "public core catalog (same set as mcp.json); advertised full list: ?all=1",
    "context_window_compression": "estimated per schema; see token_estimation in the Micro-AST catalogue"
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "crypto-ticker",
      "name": "Crypto ticker",
      "purpose": "Crypto ticker",
      "category": "Batches & utilities",
      "description": "Spot USD price for a crypto ticker or CoinGecko id from public price feeds, cached 60 s. Result carries a signed receipt.",
      "micro_ast": "crypto-ticker(symbol:str!)->tool:str,valid:bool,symbol:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "crypto-ticker",
        "batches_utilities"
      ],
      "examples": [
        "{\"symbol\":\"btc\"}"
      ]
    },
    {
      "id": "erc20-balance",
      "name": "ERC-20 Token Balance Snapshot",
      "purpose": "ERC-20 Token Balance Snapshot",
      "category": "On-chain intelligence (Base)",
      "description": "Raw and formatted ERC-20 balanceOf for an address on Base, with decimals read from the token. Result carries a signed receipt.",
      "micro_ast": "erc20-balance(address:str!,token_address:str!,decimals:num?)->tool:str,valid:bool,address:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "erc20-balance",
        "on_chain_intelligence_base"
      ],
      "examples": [
        "{\"address\":\"0xc59c85e661d34084a7769f955d17fd38254a6235\",\"token_address\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\"}"
      ]
    },
    {
      "id": "fx-spot-price-oracle",
      "name": "FX spot price oracle",
      "purpose": "FX spot price oracle",
      "category": "Enterprise rails & invoicing",
      "description": "Reference fiat and stablecoin conversion rate from a static table, not a live feed. Returns rate and inverse; result carries a signed receipt.",
      "micro_ast": "fx-spot-price-oracle(base:str!,quote:str!)->pair:str,rate:num,inverse:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "fx-spot-price-oracle",
        "enterprise_rails_invoicing"
      ],
      "examples": [
        "{\"base\":\"EUR\",\"quote\":\"USD\"}"
      ]
    },
    {
      "id": "block-info",
      "name": "Base Block Header Info",
      "purpose": "Base Block Header Info",
      "category": "On-chain intelligence (Base)",
      "description": "Read on-chain Base blockchain (EVM chain 8453) block header data: block number, timestamp, transaction count and base fee for the latest or a given block. Result carries a signed receipt.",
      "micro_ast": "block-info(block:str?)->tool:str,valid:bool,block:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "block-info",
        "on_chain_intelligence_base"
      ],
      "examples": [
        "{\"block\":\"latest\"}"
      ]
    },
    {
      "id": "tx-activity",
      "name": "Tx Activity & Contract Detection",
      "purpose": "Tx Activity & Contract Detection",
      "category": "On-chain intelligence (Base)",
      "description": "Outbound transaction count (nonce) and contract-or-EOA check for an address on Base. Result carries a signed receipt.",
      "micro_ast": "tx-activity(address:str!)->tool:str,valid:bool,address:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "tx-activity",
        "on_chain_intelligence_base"
      ],
      "examples": [
        "{\"address\":\"0xc59c85e661d34084a7769f955d17fd38254a6235\"}"
      ]
    },
    {
      "id": "token-contract-risk",
      "name": "Token contract facts (Base)",
      "purpose": "Token contract facts (Base)",
      "category": "On-chain intelligence (Base)",
      "description": "Deterministic Base contract facts: ERC-20 metadata, proxy slots, owner(), privileged-function selectors and flags. Not a safety verdict. Result carries a signed receipt.",
      "micro_ast": "token-contract-risk(address:str!,chain:str?)->valid:bool,address:str,is_contract:bool",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "token-contract-risk",
        "on_chain_intelligence_base"
      ],
      "examples": [
        "{\"address\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\"}"
      ]
    },
    {
      "id": "clean-markdown-scraper",
      "name": "Clean markdown scraper",
      "purpose": "Clean markdown scraper",
      "category": "Batches & utilities",
      "description": "Fetch a public web page by URL (or take your HTML) and return Markdown plus headings. No JavaScript rendering. Result carries a signed receipt.",
      "micro_ast": "clean-markdown-scraper(url:str?,html:str?)->markdown:str,wordCount:num,headings:arr",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "clean-markdown-scraper",
        "batches_utilities"
      ],
      "examples": [
        "{\"url\":\"https://example.com/\"}"
      ]
    },
    {
      "id": "context-distill",
      "name": "Context distill",
      "purpose": "Context distill",
      "category": "Batches & utilities",
      "description": "Deterministic text digest: word count, top-5 most frequent meaningful words (stop words excluded), first sentence, and a keccak-256 content hash. Pure function \u2014 no external calls, no ML.",
      "micro_ast": "context-distill(text:str!)->tool:str,valid:bool,word_count:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "context-distill",
        "batches_utilities"
      ],
      "examples": [
        "{\"text\":\"The landlord demanded the deposit before the viewing. The deposit was paid before any viewing of the property.\"}"
      ]
    },
    {
      "id": "instant-json-schema-verifier",
      "name": "Instant JSON schema verifier",
      "purpose": "Instant JSON schema verifier",
      "category": "Batches & utilities",
      "description": "Validate JSON data payloads against schema definitions. Preflighted for agent tool call pipelines.",
      "micro_ast": "instant-json-schema-verifier(data:obj!,schema:obj!)->valid:bool,errors:arr,execution_ms:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "instant-json-schema-verifier",
        "batches_utilities"
      ],
      "examples": [
        "{\"data\":{\"name\":\"Apex Agent\",\"version\":2},\"schema\":{\"required\":[\"name\",\"version\"],\"properties\":{\"name\":{\"type\":\"string\"},\"version\":{\"type\":\"number\"}}}}"
      ]
    },
    {
      "id": "balance-check",
      "name": "Base Account Balance Snapshot",
      "purpose": "Base Account Balance Snapshot",
      "category": "On-chain intelligence (Base)",
      "description": "Native ETH and one ERC-20 balance (default USDC) for an address on Base, raw and formatted. Result carries a signed receipt.",
      "micro_ast": "balance-check(address:str!,token_address:str?)->tool:str,valid:bool,address:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "balance-check",
        "on_chain_intelligence_base"
      ],
      "examples": [
        "{\"address\":\"0xc59c85e661d34084a7769f955d17fd38254a6235\"}"
      ]
    },
    {
      "id": "calculate-fx-savings",
      "name": "Calculate cross-border FX savings",
      "purpose": "Calculate cross-border FX savings",
      "category": "Enterprise rails & invoicing",
      "description": "Arithmetic comparison of a USDC settlement against comparator percentages YOU supply (bank_fee_pct, custodial_fee_pct) across 14 global fiat currencies. The comparators are assumptions, not measurements of any bank or provider; no protocol fee is deducted on this rail.",
      "micro_ast": "calculate-fx-savings(amount_usdc:num?,amount_usd:num?,amount:num?,currency:str?)->tool:str,amount_usdc:num,currency:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "calculate-fx-savings",
        "enterprise_rails_invoicing"
      ],
      "examples": [
        "{\"amount_usdc\":50000,\"currency\":\"BRL\"}"
      ]
    },
    {
      "id": "iban-check",
      "name": "IBAN Structure and Checksum Check",
      "purpose": "IBAN Structure and Checksum Check",
      "category": "Payment & entity identifiers",
      "description": "Validate IBAN structure and MOD-97 checksum. Does not establish account ownership, beneficiary identity or absence of fraud.",
      "micro_ast": "iban-check(iban:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "iban-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"iban\":\"GB82 WEST 1234 5698 7654 32\"}"
      ]
    },
    {
      "id": "lei-check",
      "name": "LEI Structure and Checksum Check",
      "purpose": "LEI Structure and Checksum Check",
      "category": "Payment & entity identifiers",
      "description": "Validate a 20-character LEI and MOD-97 check digits. No registry lookup, active-registration check or legal-entity identity verification.",
      "micro_ast": "lei-check(lei:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "lei-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"lei\":\"529900T8BM49AURSDO55\"}"
      ]
    },
    {
      "id": "vat-mod97-check",
      "name": "Belgian VAT MOD-97 Check",
      "purpose": "Belgian VAT MOD-97 Check",
      "category": "Payment & entity identifiers",
      "description": "Check the supported Belgian VAT format and MOD-97 checksum. BE only; not VIES, other EU VAT formats, registration status or tax compliance.",
      "micro_ast": "vat-mod97-check(vat_number:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "vat-mod97-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"vat_number\":\"BE0417497106\"}"
      ]
    },
    {
      "id": "swift-bic-check",
      "name": "SWIFT/BIC Structure Check",
      "purpose": "SWIFT/BIC Structure Check",
      "category": "Payment & entity identifiers",
      "description": "Check SWIFT/BIC structure and country code. Does not establish bank existence, active routing or beneficiary identity.",
      "micro_ast": "swift-bic-check(bic:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "swift-bic-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"bic\":\"DEUTDEFF500\"}"
      ]
    },
    {
      "id": "batch-validate",
      "name": "Batch Identifier Checks (up to 50 items)",
      "purpose": "Batch Identifier Checks (up to 50 items)",
      "category": "Batches & utilities",
      "description": "Validate up to 50 tax, bank and legal-entity identifiers (IBAN, LEI, VAT, SWIFT/BIC, ABA routing, EIN, IFSC, ABN, GSTIN, ISIN, SEDOL, EAN-13, ISBN, E.164 or Luhn checks) in one batch request. Each result states its scope. Compare the current batch quote with individual quotes; savings depend on batch size.",
      "micro_ast": "batch-validate(items:arr!)->tool:str,count:num,valid_count:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "batch-validate",
        "batches_utilities"
      ],
      "examples": [
        "{\"items\":[{\"tool\":\"iban-check\",\"value\":\"GB82 WEST 1234 5698 7654 32\"},{\"tool\":\"lei-check\",\"value\":\"529900T8BM49AURSDO55\"},{\"tool\":\"vat-mod97-check\",\"value\":\"BE0417497106\"}]}"
      ]
    },
    {
      "id": "vendor-onboarding-pack",
      "name": "Vendor Identifier Check Pack",
      "purpose": "Vendor Identifier Check Pack",
      "category": "Vendor & rental due diligence",
      "description": "Check supplied IBAN, LEI, Belgian VAT and UK company-number fields in one result. Structural checks only; no ownership, registry or fraud clearance.",
      "micro_ast": "vendor-onboarding-pack(?[iban,lei,vat_number,company_number])->tool:str,checked_count:num,all_valid:bool",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "vendor-onboarding-pack",
        "vendor_rental_due_diligence"
      ],
      "examples": [
        "{\"iban\":\"GB82 WEST 1234 5698 7654 32\",\"lei\":\"529900T8BM49AURSDO55\",\"vat_number\":\"BE0417497106\",\"company_number\":\"12345678\"}"
      ]
    },
    {
      "id": "india-supplier-check",
      "name": "India Supplier Verification Pack",
      "purpose": "India Supplier Verification Pack",
      "category": "Corridor supplier packs",
      "description": "One call, one receipt: GSTIN + PAN + UPI VPA + IFSC for an Indian counterparty. Four deterministic structural checks, each stating its own scope. Built for cross-border procurement where the buyer is an agent that cannot open an INR account.",
      "micro_ast": "india-supplier-check(gstin:str?,pan:str?,vpa:str?,ifsc:str?)->tool:str,corridor:str,checked_count:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "india-supplier-check",
        "corridor_supplier_packs"
      ],
      "examples": [
        "{\"gstin\":\"27AAPFU0939F1ZV\",\"pan\":\"AAACP1234M\",\"vpa\":\"merchant@okhdfcbank\",\"ifsc\":\"HDFC0001234\"}"
      ]
    },
    {
      "id": "pre-disbursement-guard",
      "name": "Counterparty Risk Indicators",
      "purpose": "Counterparty Risk Indicators",
      "category": "Vendor & rental due diligence",
      "description": "Check supplier tax and bank identifiers (IBAN, LEI, EU VAT, UK company number), domain-age evidence and country mismatch signals before vendor payment. Requires a preceding receipt hash. An advisory result is not verified identity, fraud clearance or authorization to release funds.",
      "micro_ast": "pre-disbursement-guard(?[recipient_iban,vendor_domain,+7])->tool:str,clear_to_disburse:bool,risk_level:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "pre-disbursement-guard",
        "vendor_rental_due_diligence"
      ],
      "examples": [
        "{\"recipient_iban\":\"GB82WEST12345698765432\",\"vendor_domain\":\"billing@acme-consulting.co.uk\",\"declared_country\":\"GB\",\"company_number\":\"01234567\",\"invoice_amount_usd\":4500,\"prev_receipt_hash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\"}"
      ]
    },
    {
      "id": "gstin-check",
      "name": "GSTIN check (India)",
      "purpose": "GSTIN check (India)",
      "category": "Payment & entity identifiers",
      "description": "Validate an Indian GSTIN by structure (2-digit state code + PAN + entity code + 'Z') and its mod-36 cross-sum checksum.",
      "micro_ast": "gstin-check(gstin:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "gstin-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"gstin\":\"27AAPFU0939F1ZV\"}"
      ]
    },
    {
      "id": "ifsc-check",
      "name": "IFSC Format Check",
      "purpose": "IFSC Format Check",
      "category": "Payment & entity identifiers",
      "description": "Check the 11-character Indian IFSC format, including its fifth-character zero. No bank-branch registry lookup or account verification.",
      "micro_ast": "ifsc-check(ifsc:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "ifsc-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"ifsc\":\"HDFC0000123\"}"
      ]
    },
    {
      "id": "sanctions-address-screen",
      "name": "Address Snapshot & Operator Policy Comparison",
      "purpose": "Address Snapshot & Operator Policy Comparison",
      "category": "Sanctions & policy simulation",
      "description": "Screen an EVM wallet address or ISO country code by exact comparison against the identified sanctions address snapshot and existing operator block policy. Current legal status is unknown; is_sanctioned is null. valid=false preserves a local block; valid=null never authorizes a transaction. Names are not screened. Missing, stale or incomplete evidence is explicit; no UN/EU coverage or sanctions clearance is provided.",
      "micro_ast": "sanctions-address-screen(subject:str!)->tool:str,valid:any,is_sanctioned:any",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "sanctions-address-screen",
        "sanctions_policy_simulation"
      ],
      "examples": [
        "{\"subject\":\"0x7f367cc41522ce07553e823bf3be79a889debe1b\"}"
      ]
    },
    {
      "id": "company-number-format",
      "name": "UK Company Number Format Check",
      "purpose": "UK Company Number Format Check",
      "category": "Payment & entity identifiers",
      "description": "Check supported UK company-number syntax. No Companies House lookup, entity-existence check or active-registration verification.",
      "micro_ast": "company-number-format(company_number:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "company-number-format",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"company_number\":\"12345678\"}"
      ]
    },
    {
      "id": "aba-routing-check",
      "name": "ABA Routing Number Check (US Fedwire/ACH)",
      "purpose": "ABA Routing Number Check (US Fedwire/ACH)",
      "category": "Payment & entity identifiers",
      "description": "Validate a US ABA routing number by its (3,7,1)-weight mod-10 Fedwire/ACH checksum. Catches mistyped or invalid routing numbers before payment; does NOT prevent transfer reversals or establish the recipient. Returns signed XDR-1 receipt.",
      "micro_ast": "aba-routing-check(aba_routing:str?,routing:str?)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "aba-routing-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"aba_routing\":\"021000021\"}"
      ]
    },
    {
      "id": "ein-format-check",
      "name": "EIN Format Check (US)",
      "purpose": "EIN Format Check (US)",
      "category": "Payment & entity identifiers",
      "description": "Validate US Employer Identification Number FORMAT (NN-NNNNNNN). Use during US business counterparty KYB verification. Returns signed XDR-1 receipt.",
      "micro_ast": "ein-format-check(ein:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "ein-format-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"ein\":\"12-3456789\"}"
      ]
    },
    {
      "id": "abn-check",
      "name": "ABN Check (Australia)",
      "purpose": "ABN Check (Australia)",
      "category": "Payment & entity identifiers",
      "description": "Validate an Australian Business Number by its mod-89 checksum (11 digits). Required before invoice payment to Australian contractors. Returns signed XDR-1 receipt.",
      "micro_ast": "abn-check(abn:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "abn-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"abn\":\"51 824 753 556\"}"
      ]
    },
    {
      "id": "e164-check",
      "name": "E.164 International Phone Check",
      "purpose": "E.164 International Phone Check",
      "category": "Securities & product codes",
      "description": "Validate a phone number's E.164 structure (+CC, 8-15 digits, no leading zero) before dispatching SMS alerts or OTPs. Returns signed XDR-1 receipt.",
      "micro_ast": "e164-check(phone:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "e164-check",
        "securities_product_codes"
      ],
      "examples": [
        "{\"phone\":\"+14155552671\"}"
      ]
    },
    {
      "id": "sedol-check",
      "name": "SEDOL Check (UK/Ireland Securities)",
      "purpose": "SEDOL Check (UK/Ireland Securities)",
      "category": "Securities & product codes",
      "description": "Validate a UK/Ireland security identifier by its (1,3,1,7,3,9)-weight mod-10 checksum. Returns signed XDR-1 receipt.",
      "micro_ast": "sedol-check(sedol:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "sedol-check",
        "securities_product_codes"
      ],
      "examples": [
        "{\"sedol\":\"B0YBKJ7\"}"
      ]
    },
    {
      "id": "isin-check",
      "name": "ISIN check",
      "purpose": "ISIN check",
      "category": "Securities & product codes",
      "description": "Validate an ISIN (ISO 6166) by structure and Luhn mod-10 check digit over the A=10\u2026Z=35 converted string.",
      "micro_ast": "isin-check(isin:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "isin-check",
        "securities_product_codes"
      ],
      "examples": [
        "{\"isin\":\"US0378331005\"}"
      ]
    },
    {
      "id": "ean13-check",
      "name": "EAN-13 check",
      "purpose": "EAN-13 check",
      "category": "Securities & product codes",
      "description": "Validate an EAN-13 barcode by its mod-10 checksum (odd positions x1, even positions x3).",
      "micro_ast": "ean13-check(code:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "ean13-check",
        "securities_product_codes"
      ],
      "examples": [
        "{\"code\":\"5901234123457\"}"
      ]
    },
    {
      "id": "cnpj-check",
      "name": "Brazil CNPJ Check (Cadastro Nacional da Pessoa Jur\u00eddica)",
      "purpose": "Brazil CNPJ Check (Cadastro Nacional da Pessoa Jur\u00eddica)",
      "category": "Payment & entity identifiers",
      "description": "Validate Brazilian corporate tax ID (CNPJ) with official dual mod-11 check digits. Required for Brazilian B2B payments, PIX verification, and vendor due diligence. Returns signed XDR-1 receipt.",
      "micro_ast": "cnpj-check(cnpj:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "cnpj-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"cnpj\":\"00.000.000/0001-91\"}"
      ]
    },
    {
      "id": "uscc-check",
      "name": "China USCC Check (Unified Social Credit Code / \u7edf\u4e00\u793e\u4f1a\u4fe1\u7528\u4ee3\u7801)",
      "purpose": "China USCC Check (Unified Social Credit Code / \u7edf\u4e00\u793e\u4f1a\u4fe1\u7528\u4ee3\u7801)",
      "category": "Payment & entity identifiers",
      "description": "Validate 18-character Chinese business registration and tax code using GB 32100-2015 ISO 7064 Mod-31-3 checksum. Required for B2B supply chain trade with Chinese manufacturers. Returns signed XDR-1 receipt.",
      "micro_ast": "uscc-check(uscc:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "uscc-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"uscc\":\"91330100799655058B\"}"
      ]
    },
    {
      "id": "japan-corp-check",
      "name": "Japan Corporate Number Check (\u6cd5\u4eba\u756a\u53f7 - Houjin Bangou)",
      "purpose": "Japan Corporate Number Check (\u6cd5\u4eba\u756a\u53f7 - Houjin Bangou)",
      "category": "Payment & entity identifiers",
      "description": "Validate 13-digit Japanese Corporate Number assigned by the National Tax Agency using Mod-9 check digit algorithm. Required for Japanese B2B SaaS and enterprise billing. Returns signed XDR-1 receipt.",
      "micro_ast": "japan-corp-check(number:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "japan-corp-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"number\":\"1180301018771\"}"
      ]
    },
    {
      "id": "kra-pin-check",
      "name": "Kenya KRA PIN Check (Kenya Revenue Authority)",
      "purpose": "Kenya KRA PIN Check (Kenya Revenue Authority)",
      "category": "Payment & entity identifiers",
      "description": "Validate Kenyan Revenue Authority Tax PIN structure (A/P followed by 9 digits and checksum character). Required for M-Pesa B2B disbursement and Kenyan remote agency invoicing. Returns signed XDR-1 receipt.",
      "micro_ast": "kra-pin-check(pin:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "kra-pin-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"pin\":\"P051112223Z\"}"
      ]
    },
    {
      "id": "rfc-check",
      "name": "Mexico RFC Check (Registro Federal de Contribuyentes)",
      "purpose": "Mexico RFC Check (Registro Federal de Contribuyentes)",
      "category": "Payment & entity identifiers",
      "description": "Validate Mexican SAT RFC corporate (12-char) or individual (13-char) tax code and homoclave. Required for Mexican contractor invoicing and SPEI cross-border settlements. Returns signed XDR-1 receipt.",
      "micro_ast": "rfc-check(rfc:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "rfc-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"rfc\":\"BBA830831LJ2\"}"
      ]
    },
    {
      "id": "iso4217-currency-check",
      "name": "ISO 4217 Currency Standard Check & Settlement Mapping",
      "purpose": "ISO 4217 Currency Standard Check & Settlement Mapping",
      "category": "Payment & entity identifiers",
      "description": "Validate 3-letter alpha or 3-digit numeric currency codes against ISO 4217 standard. Returns minor unit decimals, symbol, official name, countries, and onchain Base L2 settlement token mapping (USDC/EURC).",
      "micro_ast": "iso4217-currency-check(currency:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "iso4217-currency-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"currency\":\"EUR\"}"
      ]
    },
    {
      "id": "upi-vpa-check",
      "name": "India UPI Virtual Payment Address (VPA) Validator",
      "purpose": "India UPI Virtual Payment Address (VPA) Validator",
      "category": "Payment & entity identifiers",
      "description": "Deterministic structural validation of an Indian UPI Virtual Payment Address (VPA / handle): local-part syntax, handle against a LOCAL list of accredited PSP handles (okhdfcbank, okaxis, paytm, ybl and others), and length rules. It is NOT a live registry lookup: no request leaves this worker, and an unlisted handle is reported as unrecognised rather than nonexistent. This does not establish that the VPA is registered, reachable or owned by anyone.",
      "micro_ast": "upi-vpa-check(vpa:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "upi-vpa-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"vpa\":\"merchant@okhdfcbank\"}"
      ]
    },
    {
      "id": "pan-format-check",
      "name": "India Permanent Account Number (PAN) Format Validator",
      "purpose": "India Permanent Account Number (PAN) Format Validator",
      "category": "Payment & entity identifiers",
      "description": "Deterministic validation of Indian Permanent Account Number (PAN) issued by CBDT / Income Tax Department with 4th-character entity type classification (Individual, Company, Firm, Trust, HUF).",
      "micro_ast": "pan-format-check(pan:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "pan-format-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"pan\":\"AAACP1234M\"}"
      ]
    },
    {
      "id": "uae-trn-check",
      "name": "UAE Tax Registration Number (TRN) Format Validator",
      "purpose": "UAE Tax Registration Number (TRN) Format Validator",
      "category": "Payment & entity identifiers",
      "description": "Deterministic validation of UAE 15-digit Tax Registration Number (TRN) issued by the Federal Tax Authority (FTA) for VAT purposes.",
      "micro_ast": "uae-trn-check(trn:str!)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "uae-trn-check",
        "payment_entity_identifiers"
      ],
      "examples": [
        "{\"trn\":\"100123456700003\"}"
      ]
    },
    {
      "id": "china-supplier-check",
      "name": "China Supplier Verification Pack",
      "purpose": "China Supplier Verification Pack",
      "category": "Corridor supplier packs",
      "description": "One call, one receipt: USCC + settlement IBAN + SWIFT/BIC for a Chinese counterparty. Deterministic structure and checksum validation with explicit scope per identifier.",
      "micro_ast": "china-supplier-check(uscc:str?,iban:str?,swift:str?)->tool:str,corridor:str,checked_count:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "china-supplier-check",
        "corridor_supplier_packs"
      ],
      "examples": [
        "{\"uscc\":\"91350100M000100Y43\",\"iban\":\"GB82WEST12345698765432\",\"swift\":\"DEUTDEFF\"}"
      ]
    },
    {
      "id": "japan-supplier-check",
      "name": "Japan Supplier Verification Pack",
      "purpose": "Japan Supplier Verification Pack",
      "category": "Corridor supplier packs",
      "description": "One call, one receipt: 13-digit Corporate Number + settlement IBAN for a Japanese counterparty. Deterministic check digits, explicit scope.",
      "micro_ast": "japan-supplier-check(corporate_number:str?,iban:str?)->tool:str,corridor:str,checked_count:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "japan-supplier-check",
        "corridor_supplier_packs"
      ],
      "examples": [
        "{\"corporate_number\":\"7000012050002\",\"iban\":\"GB82WEST12345698765432\"}"
      ]
    },
    {
      "id": "latam-supplier-check",
      "name": "LatAm Supplier Verification Pack",
      "purpose": "LatAm Supplier Verification Pack",
      "category": "Corridor supplier packs",
      "description": "One call, one receipt: Brazilian CNPJ + Mexican RFC + settlement IBAN. Deterministic checks for the two largest LatAm corridors in one paid call.",
      "micro_ast": "latam-supplier-check(cnpj:str?,rfc:str?,iban:str?)->tool:str,corridor:str,checked_count:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "latam-supplier-check",
        "corridor_supplier_packs"
      ],
      "examples": [
        "{\"cnpj\":\"04.252.011/0001-10\",\"rfc\":\"GODE561231GR8\",\"iban\":\"GB82WEST12345698765432\"}"
      ]
    },
    {
      "id": "gulf-supplier-check",
      "name": "Gulf Supplier Verification Pack",
      "purpose": "Gulf Supplier Verification Pack",
      "category": "Corridor supplier packs",
      "description": "One call, one receipt: UAE TRN + settlement IBAN + SWIFT/BIC. Deterministic structure validation for Gulf trade corridors, scope stated per identifier.",
      "micro_ast": "gulf-supplier-check(trn:str?,iban:str?,swift:str?)->tool:str,corridor:str,checked_count:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "gulf-supplier-check",
        "corridor_supplier_packs"
      ],
      "examples": [
        "{\"trn\":\"100123456700003\",\"iban\":\"AE070331234567890123456\",\"swift\":\"EBILAEAD\"}"
      ]
    },
    {
      "id": "africa-supplier-check",
      "name": "Africa Supplier Verification Pack",
      "purpose": "Africa Supplier Verification Pack",
      "category": "Corridor supplier packs",
      "description": "One call, one receipt: Kenya KRA PIN + settlement IBAN + SWIFT/BIC. Deterministic structural checks for East African trade corridors.",
      "micro_ast": "africa-supplier-check(kra_pin:str?,iban:str?,swift:str?)->tool:str,corridor:str,checked_count:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "africa-supplier-check",
        "corridor_supplier_packs"
      ],
      "examples": [
        "{\"kra_pin\":\"P051234567X\",\"iban\":\"GB82WEST12345698765432\",\"swift\":\"BARCKENX\"}"
      ]
    },
    {
      "id": "rent-deposit-guard",
      "name": "Rental Deposit Risk Indicators",
      "purpose": "Rental Deposit Risk Indicators",
      "category": "Vendor & rental due diligence",
      "description": "Check deposit IBAN checksum and supplied country/viewing indicators. Rule-based risk signals only; no ownership verification, escrow protection or guarantee against theft.",
      "micro_ast": "rent-deposit-guard(deposit_iban:str!,?[property_country,deposit_before_viewing])->tool:str,risk_score:num,band:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "rent-deposit-guard",
        "vendor_rental_due_diligence"
      ],
      "examples": [
        "{\"deposit_iban\":\"GB82WEST12345698765432\",\"property_country\":\"DE\",\"deposit_before_viewing\":true}"
      ]
    },
    {
      "id": "rental-listing-risk",
      "name": "Rental Listing Risk & Fraud Engine",
      "purpose": "Rental Listing Risk & Fraud Engine",
      "category": "Vendor & rental due diligence",
      "description": "Explainable tenancy fraud risk score evaluated across irreversible payment demands, off-platform pressure, stolen photos, and advance wire signals. Deterministic rule engine.",
      "micro_ast": "rental-listing-risk(?[payment_irreversible,contact_moves_offplatform,+6])->tool:str,risk_score:num,band:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "rental-listing-risk",
        "vendor_rental_due_diligence"
      ],
      "examples": [
        "{\"payment_irreversible\":true,\"no_in_person_viewing\":true,\"price_below_market_pct\":45}"
      ]
    },
    {
      "id": "rental-verdict",
      "name": "Rental Risk Summary",
      "purpose": "Rental Risk Summary",
      "category": "Vendor & rental due diligence",
      "description": "Combine deposit identifier checks with supplied country, viewing and listing indicators. Does not verify landlord identity, property ownership or safety of payment.",
      "micro_ast": "rental-verdict(deposit_iban:str!,?[property_country,deposit_before_viewing,+7])->tool:str,verdict:str,risk_score:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "rental-verdict",
        "vendor_rental_due_diligence"
      ],
      "examples": [
        "{\"deposit_iban\":\"GB82WEST12345698765432\",\"property_country\":\"DE\",\"deposit_before_viewing\":true,\"landlord_lei\":\"529900T8BM49AURSDO55\"}"
      ]
    },
    {
      "id": "reconcile",
      "name": "Settlement Reconciliation (ISO 20022 + NACHA)",
      "purpose": "Settlement Reconciliation (ISO 20022 + NACHA)",
      "category": "Enterprise M2M Pillars",
      "description": "Deterministic reconciliation verdicts: pain.001/pacs.008 instructions vs camt.053 statements or NACHA ACH files, matched by end-to-end id and BigInt-exact amounts. Verdicts: SETTLED, UNPAID, AMOUNT_MISMATCH, DUPLICATE_PAYMENT, plus unmatched statement entries. Facts computed from the documents only \u2014 never inferred, never guessed. Returns signed XDR-1 receipt.",
      "micro_ast": "reconcile(pain001_xml:str?,pacs008_xml:str?,camt053_xml:str?,nacha_ach:str?)->tool:str,valid:bool,normalized:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "reconcile",
        "enterprise_m2m_pillars"
      ],
      "examples": [
        "{\"pain001_xml\":\"<Document>\u2026</Document>\",\"camt053_xml\":\"<Document>\u2026</Document>\"}"
      ]
    },
    {
      "id": "create-b2b-invoice",
      "name": "Create B2B contractor invoice",
      "purpose": "Create B2B contractor invoice",
      "category": "Enterprise rails & invoicing",
      "description": "Create a merchant-direct Base token invoice. New automated payments require a durable EOA authorization journal and a configured provider. No active protocol fee; no generic bank-wire authority, independent delivery or contract-wallet guarantee.",
      "micro_ast": "create-b2b-invoice(amount_usdc:num!,merchant:str!,?[client_name,memo,referrer])->tool:str,valid:bool,invoice_id:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "create-b2b-invoice",
        "enterprise_rails_invoicing"
      ],
      "examples": [
        "{\"amount_usdc\":50000,\"merchant\":\"0xc59c85e661d34084a7769f955d17fd38254a6235\",\"client_name\":\"Apex AI\",\"memo\":\"Sprint #14 Milestones\"}"
      ]
    },
    {
      "id": "get-b2b-invoice",
      "name": "Get B2B invoice status",
      "purpose": "Get B2B invoice status",
      "category": "Enterprise rails & invoicing",
      "description": "Read public recorded invoice status and held-operation next action. Private records and credentials require a separate fresh read-only signature from the durably confirmed original payer; URLs and payment vouchers grant no read authority.",
      "micro_ast": "get-b2b-invoice(invoice_id:str!)->tool:str,valid:bool,invoice_id:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "get-b2b-invoice",
        "enterprise_rails_invoicing"
      ],
      "examples": [
        "{\"invoice_id\":\"inv_example1234\"}"
      ]
    },
    {
      "id": "simulate-spend-sentinel",
      "name": "Simulate Spend Sentinel policy defense and delivery predicates",
      "purpose": "Simulate Spend Sentinel policy defense and delivery predicates",
      "category": "Sanctions & policy simulation",
      "description": "Run synthetic prompt-injection halts, malformed-delivery rejection, and bounded-spend eligibility examples under AP2 envelopes. No live escrow, refund, facilitator or chain action occurs.",
      "micro_ast": "simulate-spend-sentinel(scenario:str?)->tool:str,valid:bool,is_synthetic:bool",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "simulate-spend-sentinel",
        "sanctions_policy_simulation"
      ],
      "examples": [
        "{\"scenario\":\"injection\"}"
      ]
    },
    {
      "id": "aci-trust-lookup",
      "name": "ACI-1 Agent Credit & Trust Rating Lookup",
      "purpose": "ACI-1 Agent Credit & Trust Rating Lookup",
      "category": "Enterprise M2M Pillars",
      "description": "Deterministic agent trust scoring and non-custodial unsettled exposure advisory evaluation (ACI-1). Quantifies counterparty grade (T0-T3), historical success rate, and maximum suggested settlement exposure without uncollateralized lending or float.",
      "micro_ast": "aci-trust-lookup(subject:str!,?[role,settled_calls_90d,settlement_success_rate,+3])->ok:bool,standard:str,subject:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "aci-trust-lookup",
        "enterprise_m2m_pillars"
      ],
      "examples": [
        "{\"subject\":\"0x1111111111111111111111111111111111111111\",\"settled_calls_90d\":1500,\"settlement_success_rate\":0.999,\"first_seen_days\":120}"
      ]
    },
    {
      "id": "csp-commitment-create",
      "name": "CSP-1 Confidential Terms Commitment & Stealth Announce",
      "purpose": "CSP-1 Confidential Terms Commitment & Stealth Announce",
      "category": "Enterprise M2M Pillars",
      "description": "Generates cryptographic commitments to commercial terms and formats ERC-5564 dual-key stealth address announcements (CSP-1) for invoice-scale B2B payments on Base L2.",
      "micro_ast": "csp-commitment-create(invoice_object:obj!,?[salt_hex,stealth_recipient,+2])->ok:bool,standard:str,invoice_commitment:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "csp-commitment-create",
        "enterprise_m2m_pillars"
      ],
      "examples": [
        "{\"invoice_object\":{\"invoice_id\":\"INV-402\",\"amount_usdc\":5000,\"line_items\":[{\"sku\":\"H100_HR\",\"qty\":10}]}}"
      ]
    },
    {
      "id": "iso20022-validate",
      "name": "BAP-1 ISO 20022 Banking Message Validator",
      "purpose": "BAP-1 ISO 20022 Banking Message Validator",
      "category": "Enterprise M2M Pillars",
      "description": "Deterministic validation for institutional ISO 20022 XML/JSON payment messages (pain.001 credit transfer, pacs.008 customer credit, camt.053 bank statement) with XML DOCTYPE security guards, BigInt CtrlSum decimal sums, and ISO 13616 / 9362 / 17442 checksums (BAP-1).",
      "micro_ast": "iso20022-validate(raw_payload:str!,format:str?,namespace:str?,transactions:arr?)->ok:bool,standard:str,valid:bool",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "iso20022-validate",
        "enterprise_m2m_pillars"
      ],
      "examples": [
        "{\"raw_payload\":\"<Document xmlns=\\\"urn:iso:std:iso:20022:tech:xsd:pain.001.001.09\\\"><CstmrCdtTrfInitn><GrpHdr><MsgId>MSG-2026-001</MsgId><NbOfTxs>1</NbOfTxs><CtrlSum>100.00</CtrlSum></GrpHdr><PmtInf><CdtTrfTxInf><Amt><InstdAmt Ccy=\\\"USD\\\">100.00</InstdAmt></Amt><CdtrAgt><FinInstnId><BICFI>DEUTDEDDFXX</BICFI></FinInstnId></CdtrAgt><CdtrAcct><Id><IBAN>DE89370400440532013000</IBAN></Id></CdtrAcct></CdtTrfTxInf></PmtInf></CstmrCdtTrfInitn></Document>\"}"
      ]
    },
    {
      "id": "iso20022-to-x402-intent",
      "name": "BAP-1 ISO 20022 to x402 Intent Mapper",
      "purpose": "BAP-1 ISO 20022 to x402 Intent Mapper",
      "category": "Enterprise M2M Pillars",
      "description": "Translates validated ISO 20022 payment instructions (pain.001 / pacs.008) into deterministic EIP-712 payment-intent templates for autonomous x402 Base L2 USDC settlement (BAP-1). Zero custody, no fiat leg.",
      "micro_ast": "iso20022-to-x402-intent(instruction:obj!,?[counterparty_wallet_directory,+2])->ok:bool,standard:str,intent_template:obj",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "iso20022-to-x402-intent",
        "enterprise_m2m_pillars"
      ],
      "examples": [
        "{\"instruction\":{\"end_to_end_id\":\"E2E-1001\",\"instructed_amount\":{\"currency\":\"USD\",\"amount_str\":\"250.00\",\"amount_minor\":\"250000000\"},\"debtor\":{\"iban\":\"DE89370400440532013000\"},\"creditor\":{\"iban\":\"DE77100100100123456789\"}},\"seller_pay_to_address\":\"0xc59c85e661d34084a7769f955d17fd38254a6235\"}"
      ]
    },
    {
      "id": "check-price",
      "name": "Zero-cost price index and gasless x402 quote generator",
      "purpose": "Zero-cost price index and gasless x402 quote generator",
      "category": "Tax, Bank & Entity Verification",
      "description": "Instant zero-cost pricing hook for code402 tools. Returns the live price, an opaque quote_id, TTL, and the settlement URL. Free forever \u2014 feeds the price index into an agent planner's context without creating any financial obligation. If the planner acts on the quote, it hits the settlement_url with an EIP-3009 signed voucher.",
      "micro_ast": "check-price(tool:str!,amount:num?)->tool:str,valid:bool,price:num",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "check-price"
      ],
      "examples": [
        "{\"tool\":\"iban-check\",\"amount\":1}"
      ]
    },
    {
      "id": "receipt-verify",
      "name": "Verify any XDR-1 receipt \u2014 free, stateless, any issuer",
      "purpose": "Verify any XDR-1 receipt \u2014 free, stateless, any issuer",
      "category": "Tax, Bank & Entity Verification",
      "description": "Verifies a signed XDR-1 receipt from ANY x402 service: recomputes the canonical digest and recovers the signer, then compares it to the declared signer. Free forever \u2014 no account, no quota, no storage (stateless). A valid receipt proves the signer signed that tool call at that timestamp; it does NOT prove funds moved or any business claim.",
      "micro_ast": "receipt-verify(receipt:str!)->valid:bool,signer_recovered:str,declared_signer:str",
      "tags": [
        "validation",
        "x402",
        "base",
        "mcp",
        "receipt-verify"
      ],
      "examples": [
        "{\"receipt\":{\"v\":\"XDR-1\",\"tool\":\"iban-check\",\"tool_version\":\"1\",\"input_hash\":\"0x\u2026\",\"output_hash\":\"0x\u2026\",\"payer\":\"0xc59c85e661d34084a7769f955d17fd38254a6235\",\"recipient\":\"0xc59c85e661d34084a7769f955d17fd38254a6235\",\"amount\":\"0\",\"nonce\":\"0x\u2026\",\"ts\":0,\"tier\":\"free\",\"signer\":\"0xa036e2e3e19c6d02f30b3a9eb0acd057e6d9a5c8\",\"signature\":\"0x\u2026\"}}"
      ]
    }
  ],
  "clearinghouse_skills": [
    {
      "id": "gate-b2b-settlement",
      "name": "B2B Statutory Pre-Settlement Gate (18-Shield Matrix + OFAC)",
      "description": "Validates counterparty tax/entity IDs and screens wallet/IBAN against 18 statutory & OFAC shields. Emits a keccak-256 + secp256k1 XDR-1 receipt."
    },
    {
      "id": "ap2-verify-mandate-chain",
      "name": "AP2 Mandate Chain & Visa 10.4 Dispute Defense Verifier",
      "description": "Verifies FIDO/AP2 mandate.checkout.1 + mandate.payment.1 chains across 31 ECB currencies."
    },
    {
      "id": "three-way-trade-match",
      "name": "ORDER -> PAYMENT -> DELIVERY Three-Way Trade Match",
      "description": "Reconciles purchase order, payment receipt, and delivery hash for UCP/ACP commerce."
    },
    {
      "id": "governor-authorize-spend",
      "name": "Spend-Governor Policy Gate ($99-$999/mo)",
      "description": "Enforces per-tx USD caps, daily spend budgets, country allowlists, and OFAC sanctions shields."
    },
    {
      "id": "fx-best-execution-quote",
      "name": "Multi-Currency FX Best-Execution Router (5-50 bps)",
      "description": "Routes stablecoin and fiat settlements across 31 ECB currencies."
    }
  ],
  "x402": {
    "payment": "USDC on Base per call (EIP-3009)",
    "free_tier": "5 calls/day",
    "manifests": [
      "https://hcrb.in/.well-known/x402.json",
      "https://hcrb.in/.well-known/mcp.json",
      "https://hcrb.in/.well-known/micro-ast.json"
    ],
    "caip10_payee": "eip155:8453:0xc59c85e661d34084a7769f955d17fd38254a6235",
    "caip19_asset": "eip155:8453/erc20:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
  }
}