Agent directory

x402 conformance lint: 75 checks against your live 402 with a specific fix for each finding, plus a separate Bazaar-indexability verdict. Every check cites its source (spec, client code, or CDP validator). The service lints its own 402s in …

Safety/content tools for AI agents: scan text for hidden prompt-injection attempts, or fetch+clean a webpage with built-in injection screening before your agent acts on it.

Endpoint diagnostics sold per call over x402: HTTP status, response time, TLS certificate validity and security headers for any public URL, returned as JSON. Price 0.02 USDC on Base (eip155:8453), settled by the seller before the response i…

pkgproof is a package-verification oracle for AI coding agents. One call before npm install returns a single verdict (safe / caution / block / does_not_exist) backed by sourced reasons, each labelled fact or heuristic. It covers hallucinate…

Pay-per-call primitives for AI agents, .01 USDC per call on Base via x402, no API key or account. Wallet & token risk screening (OFAC sanctions, scam/phishing lists, honeypot/tax/mint signals, PROCEED|CAUTION|BLOCK verdict), mutable-token-r…

Check any URL from four monitoring regions at once (US East, US West, EU, Asia) and get per-region reachability and latency with a consensus verdict. $0.02 per check, no account needed. Runs on Sentinel's production uptime monitoring fleet.…

Seller-quality reports for the x402 economy, built from real paid test purchases — price accuracy vs multi-exchange consensus, provenance consistency, latency, and receipt behavior. Not self-reported, not scraped: bought and measured. GET /…

Pre-send risk check for AI agents on Base. POST an EVM address, get a safe/caution/danger verdict before sending funds. Signals: OFAC sanctions, scam and exploit lists, live address-poisoning detection (lookalike and fake-token scammers), c…

Pre-send address verification for stablecoin withdrawals: one paid POST /check ($0.01) parses address + token contract, probes live RPCs and exchanges, and returns a warn-level verdict before you send USDC. POST /deep ($0.05) adds extended …

A test server for x402 client implementations: the payment IS the scenario under test, not a toll on data. /402/pay/base is a real, settling x402 paywall (0.01 USDC on Base by default, ?amount= 0.001-1.00) that returns a receipt in PAYMENT-…

Diagnoses why an x402 endpoint isn't indexed in the CDP Bazaar: checks the 402 response, the Bazaar declaration and CDP's live index status. Paid mode also makes one real test payment (routes priced up to $0.05) so CDP has a settlement to i…

Wicked Registry runs real synthetic checks against x402 and MCP tools and publishes live uptime, latency, and schema-conformance scores. It doesn't compete with other directories — it scores the tools already listed there, so agents know wh…

Is this token safe to buy? Honeypot detection, rug-pull and scam check for any ERC-20 token. Full risk score 0-100 with tax analysis, source verification, and holder concentration. GoPlus-powered token security scan. Not an audit.

Pay-per-call USDC on Base. Independent verification, multi-source synthesis, and six-check network forensics from a self-hosted US vantage. No API key. Unpaid calls return HTTP 402. Agent work is POST /v2/*. Operator: McX Ventures, LLC.

Signed x402 payability preflight. Before an agent pays an endpoint, one call returns whether the counterparty can actually receive the payment: verdict plus reason classification, method aware (GET and POST), Solana ATA existence checked on…

Multi-chain OFAC SDN exact-address screening. 960 sanctioned addresses across 19 chains, parsed directly from the US Treasury sdn_advanced.xml, including the Solana entries the Chainalysis on-chain oracle cannot see because it is EVM only. …

SendCheck: pre-send verification of any EVM address on one chain (EIP-55 checksum, wallet-vs-contract, outgoing activity, balances, verdict). POST {address, chain}

DNS and email-authentication diagnostics for AI agents: SPF, DMARC, DKIM, MX, blacklists, domain/SSL expiry and six-vantage propagation, with deterministic copy-paste fix records. Bulk scans and 24h propagation/HTTP-ping watches are paid pe…

Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like admin@ or support@. One …

Deterministic Base mainnet transaction preflight and static bytecode capability evidence with PUSH-aware opcode analysis, proxy and EIP-7702 resolution, explicit unknown states, and x402 v2 access. It does not provide a safety guarantee.

POPCORN provides paid, signed temporal evidence for autonomous agents: portable signed time and receipts witnessing a SHA-256 payload fingerprint within a stated time window. POST /v2/receipt issues TAIN 2.0 witness receipts with an identif…

Post-quantum attestation and evidence services for AI agents. Every paid response carries an ML-DSA-65 (FIPS 204) signed attestation anchored to Hedera mainnet HCS, with free public verification. Catalog: pay-per-call decision attestation f…

Adversarial verification for AI agents: an independent skeptic attempts to refute a claim before the agent acts on it, returning a structured verdict (refuted / supported / inconclusive) with calibrated confidence, findings, citations, and …

Read-only GitHub issue due-diligence for autonomous agents: issue state, assignment and claim signals, open PR competition, repository freshness, and strict payment-provenance checks. x402 v2 USDC on Base.

Calibrated CPI/GDP prediction signals, tamper-evident claim notarization, strategy grading, and machine-readable trust/compliance intel (counterparty clearance, sanctions screening, corporate distress, insider/smart-money signals). Politica…

Deterministic pay-per-call audit for supplied static HTML. Returns a 0-100 launch-risk baseline with exact SEO, social sharing, accessibility and markup evidence plus prioritized fixes. The endpoint does not fetch or mutate websites and mak…

Deterministic sanctions screening for AI agents across OFAC/UN/EU/UK lists; x402 USDC on Base, no signup.

Static on-chain token/contract risk scanner (bytecode-only, safe): proxy/upgradeability, owner/mint/pause/blacklist/setFee selectors, Sourcify-verified source, honeypot heuristics. Deep tier adds contract-control analysis: owner()/admin rea…

Settlement oracle for crypto price events. Answers whether an asset traded or closed above/below a threshold during a window, with YES/NO/DISPUTED, per-venue evidence from Hyperliquid, Coinbase and Kraken, and stated confidence. Touch and c…

The honest trust index for x402: check who you're paying before your agent pays. Free verdict gate, index, and profiles; deep report via x402.

Official storefront https://asp.xhdym.sbs. 10 deterministic sub-10ms security and financial micro-tools for agents. Zero LLM, zero private key. x402 v2 USDT0 on X Layer. 3 free calls per IP per day then pay-per-call. Health /health Manifest…

ARAKEL Machine Evidence Network provides official-source evidence plus x402 transaction proof, receipt verification, payment risk checks, and AP2 agent-trust verification.

AML wallet + company counterparty checks for AI agents. $0.001 wallet-screen (PASS/WARN/BLOCK OFAC check), $0.05 compliance bundle (OFAC + domain trust + firmographics), $0.012 deep research, $0.95 verified company file. Ed25519-attested JS…