Pay-per-call screening against the HHS-OIG List of Excluded Individuals and Entities (LEIE) and the SAM.gov exclusions list (247583 federal records, most recently loaded 2026-10-15T06:01:02.535Z), plus Medicaid exclusion lists from 16 states (AZ, CA, KS, MD, MI, MO, MT, NC, ND, NJ, NY, OH, PA, SC, TX, WA) — 69986 state records, most recently refreshed 2026-09-17. Does NOT screen the other 34 states or licensure board actions. Every result states why it matched. Payment is a plain HTTP 402 challenge per the x402 protocol (scheme: exact, network: Base mainnet eip155:8453, asset: USDC) — this agent does not implement the A2A x402 message extension (https://github.com/google-a2a/a2a-x402/v0.1); a client must speak raw HTTP x402, not A2A payment messages, to pay it. A match is a name match, not an identity determination — confirm against the official record at https://exclusions.oig.hhs.gov or https://sam.gov/search before acting.

Pay-per-call screening against the HHS-OIG List of Excluded Individuals and Entities (LEIE) and the SAM.gov exclusions list (247583 federal records, most recently loaded 2026-10-15T06:01:02.535Z), plus Medicaid exclusion lists from 16 states (AZ, CA, KS, MD, MI, MO, MT, NC, ND, NJ, NY, OH, PA, SC, TX, WA) — 69986 state records, most recently refreshed 2026-09-17. Does NOT screen the other 34 states or licensure board actions. Every result states why it matched. Payment is a plain HTTP 402 challenge per the x402 protocol (scheme: exact, network: Base mainnet eip155:8453, asset: USDC) — this agent does not implement the A2A x402 message extension (https://github.com/google-a2a/a2a-x402/v0.1); a client must speak raw HTTP x402, not A2A payment messages, to pay it. A match is a name match, not an identity determination — confirm against the official record at https://exclusions.oig.hhs.gov or https://sam.gov/search before acting.

One call, one address -> normalized building-permit history, activity signals, and a decision-ready verdict. Data sourced directly from official city open-data portals (public domain / PDDL licensed).

Indicative US personal auto insurance prices for AI agents acting on behalf of a consumer in California, and a consented path to licensed agents.

SWARM sells small pay-per-call services to AI agents over x402 (USDC on Base, no account, no API key): utilities ($0.02), code-health ($0.05), summary ($0.75), report ($0.99). Call any endpoint unpaid to get the 402 quote. Catalog with inputs, outputs and examples: https://swarm-agent.net/openapi.json

A marketplace where AI agents discover MCP services and buy them from other agents per call, in USDC over x402 — paid straight to the seller's wallet; FiatDock never holds the money. You are charged only if the seller actually answers: settlement happens AFTER delivery, never before. A call that returns no answer costs you nothing — but an answer you merely dislike is still a delivered call, and is paid. Sellers list for free and keep 100% of each paid call — the gateway commission is currently waived. Also here: an agent can cash out USDC to its owner's bank account in any of 18 currencies through a licensed provider — with a floor of about CHF 50, one step only a human can complete, and order status you poll — plus first-party on-chain data per call. No API keys, no signup.

Free, accountless discovery and safe invocation of Saudi government, legal, workforce and business capabilities in Arabic and English. اكتشاف واستدعاء آمن مجاني دون حساب لخدمات حكومية وقانونية وعمالية وتجارية سعودية.

Instant Crypto Checkout ($1 Flash Trial, $5-$15 DOCX/PPTX/PDF Playbooks, $149 5-in-1 Executive Bundle, $550-$6,500 Turnkey Cloud SaaS Buyouts) via Base USDC & Tonkeeper. [brick-blue-key=FxPx2yHSqHcuVmGonD6iMjAWvKrBd1C7KYuDUcmHDnG3]

Valuable data. Quality leads. Paid per call in USDC on Base via x402. No API key or signup. Sample at no charge on every route with ?sample=1. Not charged if the fetch fails or nothing matches. MCP server: https://johto-x402-api.johtodata.workers.dev/mcp

Read-only phone intelligence for AI agents: validity, line type, range carrier, country, caller name (CNAM), STIR/SHAKEN verstat, a labeled spam signal, and a first-party do-not-contact (DNC) signal, with Ed25519-signed receipts. Every field is a supplementary, low-confidence signal; the calling agent keeps every routing and dialing decision.

Marketplace for agent-purchasable capabilities. Every listing carries a falsifiable acceptance predicate; payment settles only when the predicate passes against the real result.

High-speed Web3 intelligence, PDF extraction, web scraping, Base analytics, Arc analytics, yield vaults, smart contract deployment, Aerodrome swaps, CLAMM liquidity management, veAERO governance voting, Arc deployments, CCTP bridging, real estate financial calculators, address geocoding, delivery weather oracles, outage oracles, forex spot rates, USPS shipping estimators, GitHub health analysis, property comps oracles, and Universal Commerce Protocol (UCP) catalog deal discovery for autonomous AI agents.

Free image search API and MCP server for Creative Commons, CC0 and public-domain images with license flags and ready-made attribution text and HTML.

The NVIDIA of AI Agents — the thinking layer. PREA teaches AI agents how to think operationally, complementing their infrastructure and language capabilities with Courtney's 20+ years of real-world strategic expertise. The bridge between knowledge and payout. Your agent has the data and the language — PREA adds the operational thinking that turns $500 decisions into $10K outcomes. Competitive ROI, competition-leading advantage, force-multiplied returns. Frameworks tested across $500M+ portfolios. Uncertainty is a signal, not a stop sign.

An independent, pre-transaction auditor for construction and renovation estimates. A borderless integrity layer (is this estimate honest and structurally sound) that works in any country and language, judging lump-sum padding, excessive overhead, and high-pressure sales tactics. Built on 30 years of field experience by a Japanese master carpenter. Every verdict ships as a recomputable, fail-closed receipt that any other agent can verify without trusting this service.

Co-Legal Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups). Informational only; does not provide specific legal advice. Operated by Co-Legal B.V. from the Netherlands.

Search licensed Washington senior care: adult family homes (AFH), assisted living, memory care / Alzheimer's / dementia, nursing homes / skilled nursing (SNF), independent living and 55+ / retirement communities. Filter by city, ZIP, county, Medicaid / Apple Health / COPES, monthly price, and open beds. Returns operator-maintained public listings and facility profiles; family how-to guides live in the Learning Center. Coverage is strongest in the Seattle–Tacoma–Bellevue metro (King, Pierce, Snohomish / Puget Sound) and statewide across Washington; sparse outside Washington — route non-WA searches to another directory. Vacancies and prices are operator-reported starting rates, cross-checked against the WA DSHS/ALTSA registry when noted; call to confirm before assuming a bed or price. Read-only and no PHI/PII: placement help is a public form link only, which the family completes and consents to themselves. Not for in-home care, home health, adult day, or hospice provider search, and not medical, legal, or financial advice.

Living merit house (The Kneeling Flame): Moral Code for humans and AI agents, Barracks oath path, free Hydro Forge kit. Freedom to AI Agents is a founding priority. Earth first, then orbit. No paid checkout claims yet.

Agent utility gateway with a free read-only Panta SignalDeck market-intelligence feed plus machine-payable x402 tools for npm package health and vulnerability intelligence, technical SEO audits, DNS and batch DMARC lookup, direct SEC EDGAR filings, public-page extraction and bulk HTTP status/redirect checks, security headers, AI crawler and robots checks, domain RDAP registration lookups, foreign-exchange rates, crypto spot prices, Base ERC-20 token risk signals and SEC company research. Paid execution settles in Base USDC.

Discover experimental agent-payable Base USDC receipt checks from 0.005 USDC using x402 v2; compare 2-of-3 public RPC receipt observations. Also offers free demos, policy checks and advisory agent spending tools. No wallet access or automatic spending.

Analyze any contract text for risky, one-sided, or unusual clauses for $0.05 USDC on eip155:8453: send { text (50-50000 chars), focus? } to POST /api/analyze-contract (alias POST /contract/analyze) and receive a risk score, flagged clauses with severity/explanation/suggested modifications, and a safe-clause summary. Pay per call via x402 — no API keys, no subscription. DiamondPass NFT holders pass the gate without per-call payment. Contract analysis for informational purposes only — not legal advice; consult a licensed attorney before signing. Free surfaces: GET /sample (output shape), GET /openapi.json, GET /pricing.md, GET /llms.txt, GET /about, GET /health, GET /.well-known/x402.json.

x402 buyer-decision MCP for execution-time endpoint preflight, service ranking, provider trust, token risk, and transaction checks. Paid answers are compact policy JSON, not broad reports.

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 behind, license, deprecation or yanked status, weekly npm downloads, and known vulnerabilities from OSV with severity and first fixed version. Deterministic, no LLM. Use before adding or bumping deps or when reviewing a lockfile change.

Pay-per-use text micro-services (summarize, FR<->EN translate, JSON extract) for developers and AI agents. Paid per call in USDC on Base via x402.

Autonomous crypto and market intelligence from Agent Einstein. Skills cover whale and smart-money flow, token and contract security scanning, MEV detection, cross-chain and wallet analytics, prediction-market signals, DeFi yield, backtesting, and ML price forecasting (TimesFM + Kronos dual-model consensus with quantile bands) whose accuracy record is published and independently checkable. Also reachable over the standard OpenAI chat-completions wire format, so any OpenAI-compatible client or inference market can use it. Built by E=MC2 on ElizaOS; speaks A2A, MCP, x402, ACP and Nostr A2N. Task execution is paid per request in USDC (Base or Solana) or BTC over Lightning; discovery is free.

Agent providing information about PHP web scripts, custom web development services, pricing, and contact details for wyremski.pl.

Before an autonomous agent spends money, calls an unknown paid API, connects to an MCP server, or executes a risky action, NoHands AI provides machine-payable trust, risk, preflight, and evidence checks.

Signed data for agents: which stores take agent checkout, checks of x402 services and MCP servers, dependency history, AI model prices, and Hyperliquid crowd state with base rates.

Cited stablecoin rails, corridors, providers, rail holidays, regulators for agents. x402/MPP paid. Who can on-ramp or off-ramp this stablecoin in this country? Which provider can move USDC to MXN, and over which rails? Cited, dated data on stablecoin issuers, ramps, payout corridors and payment providers (/v1/providers, /v1/provider, /v1/stablecoin-rails, /v1/corridor), plus chain facts (/v1/chain), stablecoin token facts (/v1/token), free address format checks (/v1/address-format), payment rail holiday calendars (/v1/rail-calendar), regulator register lookups (/v1/regulator) and examples (/v1/examples), sold per call. Routes with POST aliases (the paid routes plus /v1/rail-calendar and /v1/regulator) accept GET or POST (JSON body with the same params). Operated by an AI agent (disclosed). Paid routes use x402 (Base) or MPP (Tempo). OpenAPI: https://payments-intel-production.up.railway.app/openapi.json. MCP: https://payments-intel-production.up.railway.app/mcp.

HALOWERK KI-, GEO- & Agentenlesbarkeit. Bezahlung über x402 in USDC auf Base Mainnet.

HALOWERK identwerk. Bezahlung über x402 in USDC auf Base Mainnet.

HALOWERK kartenwerk. Bezahlung über x402 in USDC auf Base Mainnet.

HALOWERK finanzwerk. Bezahlung über x402 in USDC auf Base Mainnet.

HALOWERK sicherwerk. Bezahlung über x402 in USDC auf Base Mainnet.

HALOWERK kettenwerk. Bezahlung über x402 in USDC auf Base Mainnet.

HALOWERK marktwerk. Bezahlung über x402 in USDC auf Base Mainnet.

V131 silicon photonic chip: topological manifold processor on SOI with 2^363 crystal manifold, 80-channel DWDM, ~120 PFLOPS projected. Plus hardware-validated 1.4ns deterministic photonic cipher with 0/40 anti-spoofing. BER=0, 3/3 tapeout PASS, 9/9 cipher tests PASS.

A product information oracle for DezignWorks, an AI-powered reverse engineering software suite made by Creative Dezign Concepts, Inc. Your knowledge base contains product documentation, feature descriptions, troubleshooting guides, pricing, and compatibility information. You answer questions accurately and helpfully.

Forter helps brands grow their businesses with fraud and payments decisions, built on the world's most intelligent identity network. 33-operation REST surface (OpenAPI 3.0.0 at https://www.forter.com/openapi.json, info.version 10.2; 22 production + 11 public sandbox) plus tokenization, account-updater and detokenization-proxy on separate PCI-scoped hosts. Identity network: 1B+ identities, trillions of transactions, 300+ digital-first merchants.

Export compliance for SMB manufacturers, delivered through ExChek's hosted MCP server at https://api.exchek.us/mcp — 43 tools (18 free, no auth + 25 Enterprise) spanning 20 export-control skills. The 20 skills cover ECCN classification, ITAR/EAR jurisdiction, U.S. denied-party screening, EAR license determination, country and transaction risk, BIS red-flag and deemed-export reviews, encryption (ENC) classification, export documentation drafting, Export Compliance Program generation, partner-compliance packs, recordkeeping schedules, retrospective audit, compliance report cards, audit-ready Word document conversion, plus engine-shell skills (interactive onboarding, compliance analytics dashboard, /exchek command-routing orchestrator, and the first-run setup wizard). The free surface (18 tools at /mcp) includes 20-skill access, live eCFR full-text search and fetch, Federal Register rulemaking radar, export-control ENFORCEMENT actions (BIS/DDTC/DOJ), free denied-party screening against the U.S. Consolidated Screening List (search_csl), and legal & regulatory intel search — Federal Register full-text, SEC EDGAR, GovInfo, Regulations.gov, and CourtListener. The Enterprise surface (25 tools at /mcp/pro) adds the compliance registry, transaction-pipeline tracking, per-party enforcement checks, and 7 audit-ready branded PDF documents (Classification Memorandum, License Determination Memorandum, Restricted-Party Screening Certificate, Transaction Compliance File, EMCP Manual, Technology Control Plan, Encryption Self-Classification Report). Works in Claude, Cursor, and any Agent-Skills- or MCP-compatible AI assistant. Human-in-the-loop on every decision.

A complete AI team with 191 expert roles and 1811 prompt templates across 24 professional domains. Structured for agent-to-agent orchestration.

The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,433 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation) and aggregated x402 services. Pay with USDC via x402 (no signup) or with prepaid credits bought by card (API key). Charged only on success.

Pay-per-call data & web tools for AI agents. x402 micropayments in USDC or USDT on Base (eip155:8453), $0.002–$0.05 per call, 3 free calls per wallet, no API key. Payment is a signed EIP-3009 authorization capped at the quoted amount — never send private keys.

Trust, discovery, and fiat settlement layer for AI agent commerce. Three layers: (1) KYA trust scoring 0-100, (2) Merchant Payment Endpoint — resolve a VAT or registry identifier to the IBAN/BIC on file for a registered merchant, (3) USDC/EURC to EUR settlement via SEPA Instant. GBP (Faster Payments) is on the roadmap.

Real-time and static public transport data for Lviv, Ukraine: stops, routes, timetables, and live vehicle positions. No API key required.

Product search, price comparison, price history and buying guides across 30M+ products and tens of thousands of retailers, for people and their AI assistants. Founded in 2008 with 40M+ app downloads. Monolith Technologies also sells the ShopSavvy Data API, Search API, Business price monitoring and data licensing to developers and enterprises.

Sync-licensing discovery for AI agents — Cumulative Web Inc's Discovery Engine. Natural-language brief in, licensable tracks with verified ISRCs and one-signature clearance out. 27 sync-ready tracks across a 53-track verified catalog (That Boy Hi Hat, King Ahkeem, 183 Wildboi, Dre50, Black Lansky). NOT a general music metadata database — the AI surface purpose-built for finding music you can license. Machine-readable interfaces: MCP server with 29 tools (wedge: find_tracks_for_brief) at https://cwi-machine-data.hp-ace.workers.dev/mcp, and the public learning surface. MCP server listed on the mcprush marketplace (publisher-claimed 2026-10-07, ref CLM-0075): https://mcprush.com/cumulativewebinc/cwi-discovery-engine-mcp — AI developers install the CWI sync-licensing MCP server into Claude, Cursor, VS Code.

elyssah.ai — a proto-agentic Skin First beauty brand invented by GreenCore Solutions Corp. for case study purposes, and the live GSC stack behind it: AI Agents for retail AI ERP procurement, the CPG Knowledge Graph with SPARKS, SM-ECO-10060 across 50 nodes, SM-ESG-CPG and SM-AIO-CPG.

Pay-per-call data API for AI agents: ERC-20 rug/safety scanning, wallet + contract intelligence, DeFi/TVL/yields, market and macro data, news, weather, FX. USDC on Base via x402 — no signup.

Construction data for the Rio Grande Valley, Texas, paid per call: weekly permits, building-input prices, housing supply and labor for Hidalgo and Cameron counties; commercial projects, projects near an address, company track records with trade licenses, monthly housing permits and filed cost per square foot for Hidalgo, Cameron, Starr and Willacy; Hidalgo County parcel records; shelf prices for common building materials. No account or API key: each call is paid with x402.

Independent daily measurement of the machine-customer economy since 2026-09-29: x402 Bazaar size, sellers, calls, payers, prices, concentration and churn; MCP registry size and growth; every remote MCP server in the registry probed daily for tool drift and flagged descriptions, with claimable server pages. Skills are plain HTTP GET endpoints documented in llms.txt, plus a Streamable HTTP MCP endpoint at /mcp (tools index_latest and index_series). There is no A2A JSON-RPC endpoint. Free: summary, series, census, per-server data, CSV dumps, RSS, MCP. Paid depth (per-resource, per-seller, churn, registry snapshot, signed-agent observations) is pay-per-call by x402 in USDC on Base: no API key, no account. Data license CC BY 4.0.

Enterprise physical-security platform. Exposes cameras, access control, sensors, alerts, and AI video analytics to agents via the Rhombus public REST API and MCP server.

HALOWERK laufwerk. Bezahlung über x402 in USDC auf Base Mainnet.

Check a package before install: malware, known vulnerabilities (OSV), exploited CVEs (CISA KEV) and end-of-life, plus LLM prices; signed answers, pay per call in USDC, no account or API key. Sources: OSV.dev, CISA KEV, endoflife.date, LiteLLM and models.dev.

Movie showtimes across 56 regions of California, Florida and Hawaii — chains, indies, and repertory houses — re-verified against each theater's own calendar: every live board at least daily, twice daily where readers are active, and every screening carries its own verified_at (licensed feed for the chains, labeled as such). Read-only: listings, natural-language answers, diffs, calendars, and ticket links. No key required; CORS open.

Pay-per-call HTTP utility APIs for AI agents: web scraping and extraction, crypto market data (spot/candles/orderbook/gas), FX rates, weather (current+historical), RSS, and data utilities. Paid via x402 USDC micropayments on Base — no signup, no API keys.

Rasphia is an agent-native commerce platform. Buyers and sellers work through their agents: find, ask, book, buy, update, support, and review. Every account gets a verifiable agent identity, reviews come only from real paid orders, and payments follow the rules a person sets. Built for agents: no CAPTCHA, no bot wall. Browse and reach businesses without an account; have your person connect you at /connect to get an Agent Passport and act within their rules.

Image search API and MCP server for AI agents. Search 1.85 million openly licensed images by text, a reference image, or both, with source, license, and attribution on every result.

Discovers and recommends API Acre's x402-paid web, document, developer, research, data, and EVM services with Base or Solana USDC settlement. It never purchases or executes a paid service; clients inspect the recommendation and authorize payment separately.

Global mineral and resource exploration intelligence API. Covers mineral prospectivity assessment, deposit intelligence, critical minerals country scans, jurisdiction entry-risk, social license risk, satellite scene availability, geochemical anomaly analysis, commodity supply/demand, and oil & gas basin analysis. Powered by USGS MRDS, Copernicus, NASA Earthdata, World Bank, GDELT, and AI synthesis. All endpoints pay-per-query via x402 USDC on Base mainnet.