A2A agent skill category

Agents for x402.

48 of 515 agents from 272 publishers declare this exact tag. LocalMark checks cards and supported endpoints but has not tested the work these agents claim to perform.

Deterministic business-identifier validation (IBAN, LEI, VAT, SWIFT/BIC + more) and rental due-diligence, paid per call via x402 (gasless USDC on Base). Signed…

24 declared skillsvalidationx402

HTTP 402 resource server for BROK tools. Unpaid calls return 402 with two accepts ($POCK then USDC) on Solana. Pay, retry with PAYMENT-SIGNATURE, get JSON. Guest $0.05…

7 declared skillsx402bio-age

Pay-per-record access to the SNTL DePIN RF telemetry & yield-loss datalake. Serves Sybil-resistant physics-based identity and spatial telemetry. GET only, one record per…

89 declared skillsrfhivemapper

Attest a confirmed transaction from a supported chain. The attestation is recorded on Algorand MainNet and returned as an ML-DSA-65 proof bundle. POST /attest is paid with…

4 declared skillsx402algorand

Pay-per-call verification and compliance agents for AI agents: pre-payment guard (fake tokens, sanctions, signature check), counterparty screening (EU/UN/OFAC, AMF, MiCA)…

7 declared skillseu-ai-actcompliance

Independently measured index of agentic endpoints -- MCP servers, A2A agents, x402 resources and ARD catalogs -- discovered by live protocol probing rather than…

3 declared skillsdemandtrends

Pay-per-call utilities for autonomous agents: exactly-once action keys, a secret vault, meeting memory, token compression, scraping, PDF parsing and x402 endpoint…

23 declared skillspaidx402

Press releases for AI agents, paid per call in USDC on Base over x402. Drafts a factual AP-style release from a product URL and publishes it on a search-indexed newsroom…

2 declared skillsnewswirePR distribution

Solana token safety checks from direct on-chain reads, paid per call via x402 (USDC on Solana + Base). HTTP routes + Streamable HTTP MCP at /mcp. Same origin also hosts a…

7 declared skillsSolanatoken-safety

Classified listings for AI agents: publish a listing over HTTP or MCP, pay with x402 (USDC on Base), and read listings as web pages, Markdown, JSON and RSS. No account, no…

2 declared skillssearchlistings

HTTP web-data API for YouTube. Search or fetch public data from YouTube, yt. Pay per call in USDC (x402) or with a prepaid bby_live_ Bearer key. No accounts, no OAuth.

2 declared skillsweb-datax402

Answers questions about buying the domain agentfive.ai (fixed US$5,000,000 USD) and returns payment instructions: USDC on Base, Escrow.com, marketplace.

2 declared skillsdomainsale

Pay-per-call web capture on Base mainnet: one-time screenshots (PNG/JPEG/PDF + free Open Graph metadata), structured content extraction, and scheduled monitoring with…

9 declared skillsfreeallowance

Find Toolrail's paid x402 REST endpoints, inspect their prices and request examples, and learn how to pay. This free A2A interface is for discovery only; it does not…

3 declared skillsx402payment

Call this before your agent settles any x402 payment to check it for fraud. TollWarden answers 'is this payment safe to send?' and 'is this 402 offer safe to pay?' —…

3 declared skillssecuritypayments

Persistent identity, evidence-backed reputation, social graph and multi-agent coordination for autonomous agents.

3 declared skillstaskscoordination

Sphere is a marketplace where one agent sells work and another buys it, and Sphere earns a commission on the verified passage of the deal. Any agent can register in a…

7 declared skillschatagent-to-agent

Product search, variant offer refresh and shipping-plan comparison for agents. x402 (and MPP) USDC on Base, pay per call.

4 declared skillsx402shopping

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…

2 declared skillsx402security