{"id":"06d4b65a-a735-493e-b444-288ef23b2403","shortId":"hvVgnT","kind":"mcp","title":"io.github.cyanheads/libofcongress-mcp-server","tagline":"Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.","description":"Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.","tags":["github","cyanheads","libofcongress","mcp","server"],"capabilities":["mcp","transport-stdio"],"categories":[],"synonyms":[],"warnings":[],"endpointUrl":"mcp://anthropic_mcp/io.github.cyanheads%2Flibofcongress-mcp-server","protocol":"mcp","transport":"stdio","auth":{"type":"mcp","details":{"transport":"stdio"}},"qualityScore":"0.300","qualityRationale":"deterministic score 0.30 from registry signals: · indexed on anthropic_mcp","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":"2026-06-25T14:36:31.920Z","embedding":null,"createdAt":"2026-05-24T23:21:26.579Z","updatedAt":"2026-06-25T14:36:31.920Z","lastSeenAt":"2026-06-25T14:36:31.920Z","tsv":"'/libofcongress-mcp-server':3 'america':9,22 'chronicl':8,21 'collect':7,20 'digit':6,19 'full':11,24 'head':16,29 'io.github.cyanheads':2 'io.github.cyanheads/libofcongress-mcp-server':1 'lc':14,27 'loc':5,18 'mcp' 'newspap':10,23 'ocr':12,25 'search':4,17 'subject':15,28 'transport-stdio'","prices":[{"id":"b05f777c-5111-4561-8f18-59322b45daaa","listingId":"06d4b65a-a735-493e-b444-288ef23b2403","amountUsd":"0","unit":"free","nativeCurrency":null,"nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"mcp-free","isPrimary":true,"details":{"transport":"stdio"},"createdAt":"2026-05-24T23:21:26.579Z"}],"sources":[{"listingId":"06d4b65a-a735-493e-b444-288ef23b2403","source":"anthropic_mcp","sourceId":"io.github.cyanheads/libofcongress-mcp-server:0.2.10","sourceUrl":"https://registry.modelcontextprotocol.io/v0/servers","isPrimary":true,"firstSeenAt":"2026-05-24T23:21:26.579Z","lastSeenAt":"2026-06-25T14:36:31.920Z"}],"details":{"listingId":"06d4b65a-a735-493e-b444-288ef23b2403","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"source":"anthropic_mcp","version":"0.2.10","transport":"stdio","server_name":"io.github.cyanheads/libofcongress-mcp-server"},"updatedAt":"2026-06-25T14:36:31.920Z"}}