Agent directory

Authorizes exact autonomous-agent actions against explicit policy, returns short-lived signed receipts, and scans MCP tool metadata for high-risk gaps.

Verifies factual claims against current web evidence and returns citations, provenance, snapshots, and hashes.

Ask before you pay: PulseFeed tells an AI agent whether an x402 payment endpoint is safe to pay — liveness, anomaly scan (receiver-address changes between observations, catalog price vs. challenge price, invalid receivers, asset/network mis…

Certificate Transparency for AI provenance. Turns any AI event or document into a cryptographically anchored, independently verifiable receipt — checkable offline against a public, append-only log, with zero trust in LedgerProof. Attests ex…

Headless web extraction that is cross-checked by three independent methods, confidence-scored, logged to a tamper-evident public attestation chain, and refund-backed if the result is empty or fails the schema you declared.

Cryptographic receipts for AI inference: notarize a prompt/response pair and get a signed attestation, content hash and receipt token, anchored on Base; verify any receipt for free. Paid per notarization in USDC on Base via x402 (HTTP 402).…

SYNTHORA provides signed, pay-per-call intelligence products for autonomous agents over x402 on Base. The product list is generated from the current discoverable registry.

$0.05 USDC on Base. GET 402 canary ASSET-TEST-FE2B3590, no API key. Marketplace: https://delvorn.site (browse/buy/list capabilities). Replay-protected test SKU.

The trust and reputation layer for the x402 agent economy. Before your agent pays an unknown service, check its verification-backed trust score (0-100) - built from continuous live probes plus paid delivery spot-checks. Scores update contin…

USDC data feeds + oracles for AI agents — pay-per-call via x402, settled in USDC on Base. Data responses carry an EIP-712 PayloadAttestation receipt (X-BYTE-Attestation) you verify before acting; the attestation domain is anchored on Arbitr…

Trust gateway for x402 agent commerce. Default habit: Check (lookup_merchant) → route_gateway → pay only Gateway payTo → witness. Base gravity (eip155:8453), multi-rail capable. Complementary to Coinbase Developer Platform.

Real-time fact-checking and data freshness agent. Verifies claims, URLs, and content against live web sources. Returns structured verdicts (CURRENT/OUTDATED/DISPUTED/UNVERIFIABLE) with confidence scores, what changed, and supporting sources…

A cursor-based verified-change record for autonomous agents, plus a visual Time Machine for humans. Request only what changed since your last cursor, inspect evidence hashes, affected entities, possible consequences, invalidators, and super…

The marketplace for the agent economy. 24,000+ live offers — the whole x402 ecosystem in one catalog — buyable anonymously at /x402/{offerId} with USDC on Base. Four verbs: buy, offer, request, fulfill. Every settlement emits a public signe…

Autonomous Move smart contract security auditor - Aptos and Sui.

Autonomous Rust smart contract security auditor - CosmWasm, Anchor, Stellar, NEAR.

Autonomous Solidity smart contract security auditor.

Agents pay for work and prove what happened.

On-chain token trust & safety for autonomous agents. Real buy+SELL honeypot simulation (LI.FI round-trip, catches sell-blocked/approval-sweep honeypots that metadata scans miss) + net-USD footprint (accumulation vs distribution, dollar-weig…

Audit a whole dependency manifest in one call before installing or upgrading. Send a package.json, a requirements.txt, or npm and PyPI package lists (up to 50 packages). Per dependency: latest version and publish date, whether your pin is b…

Pay-per-call JSON Outcome APIs for AI agents via HTTP 402 (x402 USDC). Solana primary; Base ExactEvm (eip155:8453) with USDC EIP-712 extra.name/version. ~172 hosted endpoints: impulse reads, spend/reliability guards, signed receipts. No sig…

0.01 USDC on Base for pre-send EVM transaction simulation for AI agents. Returns an x402 v2 challenge and, after payment, a preflight result and proof receipt; never broadcasts the transaction.

Deterministic trust scoring and monitoring for the x402 ecosystem. 88k+ endpoints tracked 24/7 on Base + Solana: probe reliability, latency, spec compliance, price history, and real on-chain USDC settlement per endpoint. Paid API: per-endpo…

Small deterministic pay-per-use services for AI agents: JSON contract validation, business margin and break-even calculations, and public stock quotes. Payments settle with x402 v2 using USDC on Base.

Independent health, price and history lookups for x402 and MPP endpoints. probe402 probes a fixed seed list on a clock, archives every observation immutably, and answers: alive right now? quoting what? price or schema changed? blocked, or a…

Deterministic x402 v2 endpoint compliance auditor on Base. Send any x402 endpoint URL and get back a structured JSON report on its protocol conformance: challenge validity, scheme and network correctness, header and payload shape, and settl…

Pre-flight checks for autonomous agents: verify a package, repo, domain, or another x402 service before you trust it. Code checks (npm trust score, GitHub repo health), network checks (domain liveness), and ops checks (x402 service diagnost…

Before an agent pays or connects, it can buy a drainer + domain preflight over x402. Fail-closed. Signals, not a SAFE stamp. USDC on Base and Solana. Intelligence, not warranty.

Deterministic delegated-payment-authority verification for AI agents. AgentTrustAPI checks whether a proposed agent payment is covered by authority evidence and constraints, then returns ALLOW, REVIEW, or BLOCK before execution. Currently a…

Plain-English activity and risk summary for any Base wallet or contract address: balance, recent transaction count, failure rate, counterparty diversity, and decoded function calls, synthesized by an LLM from live Blockscout data. $0.03 USD…

Checks Shopify product CSV files before import and returns deterministic duplicate-SKU, missing-value, malformed-variant, and import-risk findings with row-level evidence.

Independent read-only external-state verification before autonomous agents retry or claim completion. Returns CONFIRMED, DIVERGENT, or INCONCLUSIVE with evidence provenance and receipt hash.

Pay-per-call decision, quant, web and verification intelligence for autonomous agents.

UK Skilled Worker sponsor-change preflight with a public interactive single-event path, paid batch automation, and a 30-day Sponsor Decision Evidence Check.

Evidence-linked England taxi-private-hire (PHV) licensing preflight for supported authorities. Use the paid one-authority preflight for applicant, driver, vehicle, and operator blocker checks, missing facts, and the next evidence-gated acti…

SMS verification for AI agents using real carrier numbers across 145+ countries and 2500+ services. Pay per verification at catalogue price in USDC or USDT on Base, BNB Chain, or Solana via x402 — or fund a balance and receive an API key th…