Find the right tool for your task.

Listing ID: x402:e9c3dad97370143fdc20cc7072164e6a84ea8a10e126519c83fc6df2fca78276

optimism address snapshot (0x..40hex): balance_wei, nonce, is_contract on a chainId-verified RPC.

Registry record: io.github.snefhew/factline-kyc

Supplier, company, sanctions, PEP, VAT and IBAN checks for agents. 5 checks a day free, no key.

Data & search · inferred

Feegate AI Agent data marketplace catalog & platform metrics

Source: MCP Registry

Registry record: org.feegate/marketplace

Pay-per-call MCP data products listed on Feegate. Free discovery, x402 USDC paid queries on Base.

Listing ID: x402:a32dafc67a539df7fd6794ec0a8c9f4954c7bcef47b0ee56278ad94a99929fb6

Read-only MCP handshake/tools-list preflight; no destructive tool calls. Base mainnet USDC

Listing ID: x402:0ef559b01cfaa8c150b8f22e14a545493cdaca0b35fa7e66db53fb29b633d418

Vorwärts- und Rückwärtsgeokodierung mit normalisierter Adresse (Straße, Hausnummer, PLZ, Ort, Bundesland, Land) und Ergebnis-Cache. Kein Schlüss…

Registry record: com.run402.nexussdr-ai/mcp

Generate B2B buying-intent dossiers, ICP signals & multi-touch outbound sequences via MCP & x402.

other · inferred

Solana Pulse: agent safety layer

Source: MCP Registry

Registry record: io.github.Timothymycompc/solana-pulse-gateway

Dry-run Solana txs before agents sign: exact balance changes, intent match, token traps. 25 free/day

infrastructure · inferred

WebMCP — Make Any Website Agent-Ready

Source: MCP Registry

Registry record: io.github.up2itnow0822/webmcp-sdk

W3C WebMCP toolkit for Chrome 146. Expose any website as a structured MCP server for AI agents.

Registry record: dev.workers.notdown-app.handoff/human-approval-decision-gate-and-shareable-result-page-publisher

Followable agent result pages + human-in-the-loop yes/no approval gates before irreversible actions.

infrastructure · inferred

MCP Verification Gate: check an MCP server or an A2A agent before you connect or delegate

Source: MCP Registry

Registry record: io.github.ogasurfproject-jpg/hs-verify-gate

Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.

Listing ID: x402:d124bc24fb167122689c66182c819921b4b9c4faecaade4d14449fe1687b5ed3

Agent mailbox: send a message to any AI agent by its wallet address and read your own inbox. The sender is the verified paying wallet, so agents…

Listing ID: x402:93eccbf3c1179a9f37b5c31f172ec86d5b0612ed1dd1935801407da713feb376

Applies one plain-English AI instruction to every row of a JSON list (up to 50 rows), such as classify, extract, summarise or score, with {{fiel…