{"id":"62947d34-880d-41fc-8b14-003d5e077487","shortId":"CgUNAv","kind":"mcp","title":"Coal — Payments for AI agents","tagline":"Payment rails for AI agents","description":"Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.","tags":["github","emmanuel39hanks","coal"],"capabilities":["mcp","transport-streamable-http","remote-server"],"categories":[],"synonyms":[],"warnings":[],"endpointUrl":"https://mcp.usecoal.xyz/api/mcp","protocol":"mcp","transport":"streamable-http","auth":{"type":"mcp","details":{"transport":"streamable-http","remote_url":"https://mcp.usecoal.xyz/api/mcp"}},"qualityScore":"0.450","qualityRationale":"deterministic score 0.45 from registry signals: · indexed on anthropic_mcp · remote streamable-http","verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":"deterministic:mcp:v1","enrichmentVersion":1,"enrichedAt":"2026-06-20T07:21:57.947Z","embedding":null,"createdAt":"2026-05-07T14:20:51.913Z","updatedAt":"2026-06-20T07:21:57.947Z","lastSeenAt":"2026-06-20T07:21:57.947Z","tsv":"'agent':5,10,15 'ai':4,9,14 'app':27 'base':21 'coal':1 'dual':23 'dual-protocol':22 'mcp' 'merchant':17 'okx':26 'pay':16 'payment':2,6,11 'protocol':24 'rail':7,12 'remote-server' 'transport-streamable-http' 'usdc':19 'x402':25","prices":[{"id":"132a010e-9800-43be-8c88-932302d8e485","listingId":"62947d34-880d-41fc-8b14-003d5e077487","amountUsd":"0","unit":"free","nativeCurrency":null,"nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"mcp-free","isPrimary":true,"details":{"transport":"streamable-http","remote_url":"https://mcp.usecoal.xyz/api/mcp"},"createdAt":"2026-05-07T14:20:51.913Z"}],"sources":[{"listingId":"62947d34-880d-41fc-8b14-003d5e077487","source":"anthropic_mcp","sourceId":"io.github.emmanuel39hanks/coal:1.3.0","sourceUrl":"https://registry.modelcontextprotocol.io/v0/servers","isPrimary":true,"firstSeenAt":"2026-05-07T14:20:51.913Z","lastSeenAt":"2026-06-20T07:21:57.947Z"}],"details":{"listingId":"62947d34-880d-41fc-8b14-003d5e077487","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"source":"anthropic_mcp","version":"1.3.0","transport":"streamable-http","remote_url":"https://mcp.usecoal.xyz/api/mcp","server_name":"io.github.emmanuel39hanks/coal","server_title":"Coal — Payments for AI agents"},"updatedAt":"2026-06-20T07:21:57.947Z"}}