Full MCP ecosystem census

[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.

Resource: api.truthbear.co/mcp/census

Network: base · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x2d16a243ba9fAcC6AC85519d5efad2149DC4C6c3

Payment methods: — · Last validation: 2026-10-15 11:56:57.581+00

{
  "input": null,
  "output": null,
  "paymentRequirements": [
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x2d16a243ba9fAcC6AC85519d5efad2149DC4C6c3",
        "amount": "90000",
        "scheme": "exact",
        "network": "base",
        "mimeType": "application/json",
        "resource": "https://api.truthbear.co/mcp/census",
        "extensions": {
          "bazaar": {
            "info": {
              "input": {
                "type": "http",
                "method": "GET",
                "queryParams": {
                  "verifiable": "optional - set to 1 to attach `_hash_core` per row (the canonical pre-image of the record_hash for that row) so you can "
                }
              },
              "output": {
                "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",
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                  "hash_core_version": 4
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                  "properties": {
                    "type": {
                      "const": "http"
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                    "method": {
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                      "type": "string"
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                    "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": {}
                  }
                }
              }
            },
            "priceUsd": "$0.09",
            "discoverable": true,
            "outputSchema": {
              "type": "object",
              "properties": {
                "rows": {
                  "type": "array",
                  "items": {
                    "type": "object",
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                        "type": "string"
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                      "status": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "lifecycle": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "record_hash": {
                        "type": [
                          "string",
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                      "missing_streak": {
                        "type": [
                          "integer",
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                        ]
                      }
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                "count": {
                  "type": "integer"
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                  "type": "object",
                  "description": "Freshness and lineage: freshness / freshness_basis / age_hours_now / data_lineage, with the oldest row representing the whole batch"
                },
                "observed_at": {
                  "type": [
                    "string",
                    "null"
                  ],
                  "description": "Observation time of the OLDEST row in this batch (ISO) - the most conservative basis"
                }
              }
            },
            "routeTemplate": "/mcp/census",
            "priceUsdNumber": 0.09
          }
        },
        "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.",
        "outputSchema": {
          "input": {
            "type": "http",
            "method": "GET",
            "required": [],
            "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="
              }
            },
            "queryParams": {
              "verifiable": "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="
            },
            "discoverable": true
          },
          "output": {
            "type": "object",
            "properties": {
              "rows": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "name": {
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                    "status": {
                      "type": [
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                        "null"
                      ]
                    },
                    "lifecycle": {
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "record_hash": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "missing_streak": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    }
                  }
                }
              },
              "count": {
                "type": "integer"
              },
              "provenance": {
                "type": "object",
                "description": "Freshness and lineage: freshness / freshness_basis / age_hours_now / data_lineage, with the oldest row representing the whole batch"
              },
              "observed_at": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Observation time of the OLDEST row in this batch (ISO) - the most conservative basis"
              }
            }
          }
        },
        "maxAmountRequired": "90000",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x2d16a243ba9fAcC6AC85519d5efad2149DC4C6c3",
      "scheme": "exact",
      "network": "base",
      "amountAtomic": "90000"
    }
  ]
}

Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.