{"uid":"cap_UTqC190IWewEP8zJvFKgz","slug":"truthbear-mcp-ecosystem-census-75433a1b","name":"TruthBear MCP Ecosystem Census","description":"[BATCH+PROOF] Full MCP ecosystem census (21,236 servers, latest day): status, lifecycle, missing_streak, record_hash. DEGRADED DELIVERY, see unavailable_fields - prominence, maturity, github_stars and downloads have no data, so rows are no longer ranked. Snapshot 2026-07-08. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.09 per call.","url":"https://api.truthbear.co/mcp/census","method":"GET","headers":{},"bodySchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"verifiable":{"type":"string","description":"optional - set to 1 to attach `_hash_core` per row (the canonical pre-image of the record_hash for that row) so you can recompute and verify fully offline; omitted by default to keep the payload small - for online verification use free GET /gauge/verify?hash="}},"additionalProperties":false}}},"output":{"type":"object","required":["type"],"properties":{"type":{"const":"json"},"example":{}}}}},"responseSchema":{"type":"json","example":{"entity":"(unlocked on payment)","current":{"name":"x711","status":"active","missing_streak":0},"lifecycle":{"basis":"Imported from the surviving registry (2026-07-25); state is derived from status + missing_streak, 7 consecutive disap...","state":"operating","last_seen":"2026-07-08","first_seen":"2026-07-07","lifespan_days":1,"missing_streak":0},"signal_id":"mcp.server-census","source_ref":"https://github.com/modelcontextprotocol","entity_name":"(unlocked on payment)","observed_at":"2026-07-08T00:00:00.000Z","record_hash":"sha256:051650e9a2042e4530442ff7b73a6d8b4d9e943c109994f61a5c92a760e3068f","source_tier":"T2-observable","snapshot_date":"2026-07-08","data_age_hours":422,"hash_core_version":4}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.09","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.09/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KBLVbM5x4Bn5dujM5yA1t","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.09","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a full batch snapshot of 21,236+ MCP servers with status, lifecycle state, missing streak, and record hash for the latest day.","exampleAgentPrompt":"Pull me the full TruthBear MCP ecosystem census for today — all 21,000+ servers with their status, lifecycle, and missing streaks — and include the verifiable hash pre-images so I can audit the data offline.","exampleUseCases":[{"title":"Audit live MCP server population","prompt":"Fetch the full MCP ecosystem census from TruthBear right now — I want to see which servers are active, which are degraded, and how many have been missing for multiple consecutive days."},{"title":"Offline verifiable snapshot for compliance","prompt":"Download the complete TruthBear MCP census with the hash core pre-images turned on so I can verify every record's integrity offline without hitting any additional endpoints."},{"title":"Monitor ecosystem churn over time","prompt":"Get me today's full MCP server census from TruthBear — I want the status and lifecycle fields for all servers so I can compare it against last week's snapshot and see how many servers have dropped out or come back online."}],"resultDescription":"A JSON batch payload containing one row per MCP server (up to 21,236 servers), each with: server identifier, status, lifecycle stage, missing_streak (consecutive days absent), and record_hash. When verifiable=1 is set, each row also includes _hash_core (the canonical pre-image for offline hash verification). Note: prominence, maturity, github_stars, and downloads fields are currently unavailable, so rows are not ranked. Returns 422 with no charge if no data is available.","failureModes":["422 no_charge: no data available for the requested snapshot — not billed","Degraded delivery: prominence, maturity, github_stars, and downloads fields contain no data, so ranking is unavailable","Large payload size if verifiable=1 is set without need, due to per-row hash pre-images","Stale snapshot: data reflects the latest day but is descriptive only, not real-time"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, auditable bulk snapshot of the entire MCP server ecosystem in a single call. It is the right choice for compliance audits, ecosystem health monitoring, offline verification workflows (using verifiable=1), or building derived datasets that track server churn and lifecycle changes. Prefer this over per-entity endpoints when you need the full population rather than a single server's history or chain analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:50:05.487Z","isFirstParty":false}