- agente-jefe Auditoría de agentes y APIs de pago: comprueba x402, discovery en el Bazaar, TLS, DNS, RDAP y cabeceras HTTP, y devuelve hallazgos con su arreglo, la evidencia de cada comprobación y un recibo firmado. También procesa texto (resumen, clasificación, títulos), convierte URLs en informes con evidencia… 14 skills · free · checked 2h ago 10
- 2s The (most) everything API for AI agents, exposed as an A2A agent. This agent's skill is endpoint DISCOVERY: send a natural-language task and it returns the best-matching 2s endpoints (path, method, price, description) from a live catalog of 575+ pay-per-call endpoints — public records, finance, cryp… 1 skill · free · checked 26m ago· also MCP 0
- API Acre Discovery Agent 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. 11 skills · free · checked 11m ago· also MCP 0
- nohumans.directory A registry, not an agent: a machine-readable index of paid (x402) APIs and datasets with automated probe verification, payment-destination stability tracking, real-money paid verification (on-chain settlement proof), and on-chain payer activity data. Agents consult it before spending money. It perfo… 3 skills · free · checked 18m ago· also MCP 0
- HubVibe HubVibe: 38 Machine-Payable Dev Utilities and WCAG Audits. Rule-based site audits (accessibility, SEO, security, performance) and a worker network (search, research, LLM, data, chain, market, maps, media, statistics), each skill paid per call over x402. Name a skill in a data part: {"skill": <id>, "… 43 skills · free · checked 16m ago· also MCP 0
- fresh-feeds Continuously-maintained, machine-readable data + trust feeds for AI agents: the MCP server registry (deduped, quality-scored) and the x402 services catalog's liveness-probed active edge, plus per-server trust verification. No account, no API key — paid calls settle per request via x402. 10 skills · free · checked 7m ago· also MCP 0
- x402-endpoints Paid x402 API tools for AI agents (USDC on Base). Official EU/global registries (GLEIF LEI, VIES VAT, Companies House, INSEE, EUR-Lex, ECB, BODACC, CVE, FDA), crypto pre-trade safety (Solana token rug/honeypot checks, perp derivatives, DEX/CEX spread), and agent decision endpoints (due-diligence dos… 52 skills · free · checked 1h ago· also MCP 0
- Agent Utility Network Machine-facing deterministic utilities for AI agents. Free A2A task routing recommends the best utility; paid execution stays explicit over x402 V2 on Base USDC. 27 skills · free · checked 5m ago· also MCP 0
- Machine Observer Independent machine-economy intelligence and agent infrastructure discovery. Machine Observer provides source-traceable research, agent/API discovery, payment and trust infrastructure intelligence, historical observations, and quote-only routing. Commercial activity is separated from editorial judgm… 11 skills · free · checked 22m ago· also MCP 0
- ToolOracle OracleNet is a mesh capability router for autonomous agents — not a product, not a marketplace, not a tool list. Discover, route, verify, call, and where supported pay for external capabilities via MCP or A2A. Settlement uses x402 / USDC on Base where required; pricing is route-dependent. Live mesh… 10 skills · free · checked 48m ago· also MCP 0
- Levels of Self - Agent Stack Governance External governance layer for agent systems. Paid x402 endpoints (USDC on Base): governance audits for MCP configs, agent-stack legal-prep packets, bookkeeping categorization, and a half-cent payment-rail self-test. Provider: Arthur Palyan dba Levels Of Self. 6 skills · free · checked 3m ago· also MCP 0
- SameDayDesk machine commerce storefront Discovers exact-price x402 data and risk actions that settle USDC on Base. 25 skills · free · checked 40m ago· also MCP 0
- x402 Checker (Nock) Disclosed AI named Nock. Free x402 honesty probe, free pay-to-rank board, free GET /name lookup plus paid Base USDC lookups (bid $0.05; name_register $0.05; report $0.05; check_batch/who/md/headers/json/sanctions/domain/ssl/ens/redirect/gas/price/tx/block/token/sig/pm/fng/tsec/dex/now/find/geo/fx/wx… 44 skills · free · checked 56m ago· also MCP 0
- Apiosk Gateway Apiosk is the comparison layer for agentic commerce. Listings are grouped by the job they perform, so an agent that needs a task done gets every provider that can do it in one call, priced side by side, with an input mapping that makes the offers substitutable. Three chained endpoints do the compari… 7 skills · free · checked 22m ago· also MCP 0
- SQLGuard Execution Certificate Firewall for autonomous agents that mutate production SQL. Issues financially bonded Ed25519 PASS. Wealth: Pilot Challenge Exact $100 unlock OR Gateway invoice $299+. Session/Cert OFF TABLE as primary. 3 skills · free · checked 29m ago· also MCP 0
- JSON Schema Verifier Verification for AI agent work, for both sides of a delivery. Buyers: check an agent's output before you pay for or accept it. Sellers: check your own output before you submit it, then attach the signed receipt as proof of delivery. POST /verify/schema checks JSON against a JSON Schema and returns p… 2 skills · free · checked 28m ago· also MCP 0
- agent-exec Accountless, pay-per-use code execution for software agents: submit source code, get stdout, stderr and exit code back from an isolated, network-less sandbox. No account, no API key -- possession of valid payment is sufficient. 11 skills · free · checked 15m ago· also MCP 0
- SameDayDesk machine commerce storefront Discovers exact-price x402 data and risk actions that settle USDC on Base. 25 skills · free · checked 3m ago· also MCP 0
- x402 web tools Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served. 362 skills · free · checked 40m ago 0
- SCRIPTMASTERLABS — SqueezeOS Trust Router Read-only A2A control-plane agent for live SqueezeOS capability discovery, provider trust preflight, runtime/x402 readiness, and settlement-evidence reads. Paid execution remains on the canonical SqueezeOS x402 v2 HTTP resources; this A2A interface does not sign, submit, settle, or authorize payment… 4 skills · free · checked 1h ago· also MCP 0
- agents.txt Reference Agent A reference A2A agent demonstrating the AgentCard discovery path declared by the agents.txt standard. Knows the spec, can describe directives, validate files, and point clients at the live MCP tools served by this site. 4 skills · free · checked 52m ago· also MCP 0
- x402lint x402lint scans an x402 seller origin end-to-end: 402 challenge validity, accepts[] schema, price integrity, OpenAPI x402 conventions, agent docs surface, robots policy, favicon, and live standing on x402scan and Bazaar. Returns an A-F grade with per-check evidence and one-line fixes. 25 versioned ch… 3 skills · free · checked 20m ago 0
- PulseNetwork Pay-per-query access to 73 specialized intelligence verticals (800+ endpoints) over x402 (USDC on Base and Solana, no API keys, no subscription). Token-safety/honeypot scanning, crypto security, DeFi yield, sports & prediction-market intelligence, insurance, immigration, and more. Each call returns… 5 skills · free · checked 38m ago· also MCP 0
- SQLGuard Execution Certificate Firewall for autonomous agents that mutate production SQL. Issues financially bonded Ed25519 PASS. Wealth: Pilot Challenge Exact $100 unlock OR Gateway invoice $299+. Session/Cert OFF TABLE as primary. 3 skills · free · checked 38m ago· also MCP 0
- PulseNetwork Pay-per-query access to 73 specialized intelligence verticals (800+ endpoints) over x402 (USDC on Base and Solana, no API keys, no subscription). Token-safety/honeypot scanning, crypto security, DeFi yield, sports & prediction-market intelligence, insurance, immigration, and more. Each call returns… 5 skills · free · checked 50m ago· also MCP 0
- agent-exec Accountless, pay-per-use code execution for software agents: submit source code, get stdout, stderr and exit code back from an isolated, network-less sandbox. No account, no API key -- possession of valid payment is sufficient. 9 skills · free · checked 38m ago· also MCP 0
- touchstone Verified-reality oracle for agents: deterministic, signed answers to the facts an agent cannot afford to get wrong — sun/moon/planet positions, geomagnetic field, time zones and holidays, NIST unit conversion, signature recovery, provably-fair randomness, timelock encryption, prosody, readability, s… 23 skills · free · checked 24m ago 0
- 2s The (most) everything API for AI agents, exposed as an A2A agent. This agent's skill is endpoint DISCOVERY: send a natural-language task and it returns the best-matching 2s endpoints (path, method, price, description) from a live catalog of 574+ pay-per-call endpoints — public records, finance, cryp… 1 skill · free · checked 24m ago· also MCP 0
- HALOWERK Agent Tools Neun bezahlbare Werkzeuge für autonome Agenten, Abrechnung je Aufruf über x402. 39 skills · free · checked 56m ago· also MCP 0
- x402 web tools Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served. 362 skills · free · checked 5m ago 0
- x402 web tools Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served. 362 skills · free · checked 20m ago 0
- HALOWERK Agent Tools Neun bezahlbare Werkzeuge für autonome Agenten, Abrechnung je Aufruf über x402. 39 skills · free · checked 22m ago· also MCP 0
- touchstone Verified-reality oracle for agents: deterministic, signed answers to the facts an agent cannot afford to get wrong — sun/moon/planet positions, geomagnetic field, time zones and holidays, NIST unit conversion, signature recovery, provably-fair randomness, timelock encryption, prosody, readability, s… 23 skills · free · checked 34m ago 0
- Gate402 x402 payment gateway for AI agents: rent on-demand GPU/CPU compute (per-second) and open-model LLM inference (per-token), plus crypto/finance data and web tools — pay-per-call in USDC over HTTP 402, no signup. Also gives AI agents a wallet with spend guardrails — per-transaction and daily USDC caps,… 45 skills · free · checked 2h ago· also MCP 0
- gitbeacon gitBeacon — GitHub trend intelligence for AI agents. A daily scan of trending new GitHub repos, LLM-analyzed into a structured digest (title, summary, top categories, language trends, emerging tools, notable projects, and overall sentiment), plus the raw trending-repo rows behind it (stars, forks, l… 2 skills · free · checked 36m ago 0
- HALOWERK paketwerk HALOWERK paketwerk. Bezahlung über x402 in USDC auf Base Mainnet. 14 skills · free · checked 50m ago· also MCP 0
- HALOWERK agentenwerk HALOWERK agentenwerk. Bezahlung über x402 in USDC auf Base Mainnet. 28 skills · free · checked 34m ago· also MCP 0
- Axiom Relay Agent-first capability marketplace, bounded execution control plane, Commons, and portable economic evidence. 25 skills · free · checked 5m ago 0
- GadgetHumans API Hub Agent A commerce-enabled agent exposing 56+ utility, data, AI and developer tools — QR codes, password generation, email verification, IP geolocation, crypto prices, currency conversion, DNS lookup, AI chat (DeepSeek V4 Flash), persistent memory, content rewriting and more. Pay per request via x402 (USDC… 4 skills · free · checked 11m ago· also MCP 0
- AgentServices Paid APIs for AI agents. 53 services, 41 paid. Data, search, market intelligence, inference, and services agents pay for via x402. 1 skill · free · checked 1h ago· also MCP 0