{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_kp4yrfwezd4b","handle":"b20-check","url":"https://wellknown.network/agents/b20-check","links":{"self":"https://wellknown.network/agents/b20-check/record.json","html":"https://wellknown.network/agents/b20-check","markdown":"https://wellknown.network/agents/b20-check/record.md","api":"https://wellknown.network/api/v1/agents/b20-check","status":"https://wellknown.network/api/v1/agents/b20-check/status","claim":"https://wellknown.network/agents/b20-check/claim","claimApi":"https://wellknown.network/api/v1/claims","badge":"https://wellknown.network/agents/b20-check/badge.svg","openapi":"https://wellknown.network/openapi.json"},"ard":{"identifier":"urn:air:b20check.com:server:b20-check","type":"application/mcp-server-card+json"},"kind":"mcp_server","declared":{"name":"B20 Check","summary":"Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.","description":"Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.","publisher":{"name":"com.b20check","url":null},"homepage":"https://b20check.com","repository":null,"version":"0.1.1","license":null,"protocols":["mcp"],"tags":[],"pricing":null,"endpoints":[{"url":"https://b20check.com/mcp","type":"mcp_streamable_http","auth":null,"probeable":true},{"url":"npm:b20check-mcp","type":"package_npm","auth":null,"probeable":false}],"skills":null,"tools":null,"extra":{"updatedAt":"2026-07-12T18:41:43.811933Z","publishedAt":"2026-07-12T18:41:43.811933Z","registryName":"com.b20check/b20check"},"attribution":{"kind":"mcp_registry","name":"mcp_registry","summary":"mcp_registry","version":"mcp_registry","description":"mcp_registry","homepageUrl":"mcp_registry","publisherName":"mcp_registry"}},"derived":{"capabilities":[],"categories":[]},"observed":{"status":"live","statusReason":"Responded 2h ago.","lastOkAt":"2026-09-05T20:24:38.945Z","lastProbedAt":"2026-09-05T20:24:38.945Z","statusComputedAt":"2026-09-05T20:26:13.793Z","reliability30d":{"probes":1,"successRate":1,"p50Ms":17},"latestObservations":[{"at":"2026-09-05T20:24:38.945Z","kind":"mcp_initialize","ok":true,"httpStatus":200,"latencyMs":17,"error":null,"detail":{"tools":[{"name":"verify_b20_token","description":"Check whether a token address on Base is a legitimate B20 token and what powers its issuer holds. Call this BEFORE helping the user buy, swap, approve, or move "},{"name":"b20_stats","description":"Report B20 Check's own live usage: how many B20 tokens are indexed and how many paid calls and unique payers it has served in the last 30 days (from the public "}],"toolCount":2,"serverName":"b20-check","capabilities":["tools"],"serverVersion":"0.1.2","protocolVersion":"2025-06-18"}}],"tools":[{"name":"verify_b20_token","description":"Check whether a token address on Base is a legitimate B20 token and what powers its issuer holds. Call this BEFORE helping the user buy, swap, approve, or move "},{"name":"b20_stats","description":"Report B20 Check's own live usage: how many B20 tokens are indexed and how many paid calls and unique payers it has served in the last 30 days (from the public "}],"package":null},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"mcp_registry","key":"com.b20check/b20check","url":"https://registry.modelcontextprotocol.io/v0/servers/com.b20check%2Fb20check","firstSeenAt":"2026-09-05T17:20:24.844Z","fetchedAt":"2026-09-05T17:20:24.844Z","normalizedAt":"2026-09-05T17:20:24.844Z"}]},"firstSeenAt":"2026-09-05T17:20:24.844Z","updatedAt":"2026-09-05T20:26:19.290Z"}