{
  "spec": "rightshold-mcp-health-v1",
  "checked_at": "2026-10-27T23:19:35.722Z",
  "about": "MCP health receipts are the liveness record of the MCP servers listed on Rightshold: a background probe re-checks each listed server on a fixed cadence (at most three servers per pass, stalest first), and every probe is published as one append-only, hash-chained receipt — the time, the outcome, the latency, the tool count and the tool-definition fingerprint the server answered with. An outcome is a probe fact: up means the server's MCP handshake (initialize + tools/list) answered from this deployment at that time; down means it did not answer; redirected means the registered URL now redirects elsewhere, so the answer was not recorded as this server's; changed means it answered with tool definitions whose fingerprint differs from the recorded one. None of these is a finding that a server or its tools are safe. State transitions are also sealed into the public ledger as change observations; the full receipt history lives on this surface.",
  "note": "Probes run on the deployment's cadence, not on read: reading this surface never probes a server. A server with no receipts yet has not been probed since this record began — that is stated as an empty history, never filled in or back-dated.",
  "server": {
    "slug": "exa-search-server",
    "url": "https://mcp.exa.ai/mcp",
    "server_name": "exa-search-server",
    "fingerprint": "d69d0c9e0a85f85819f9d1b722dfc4b58cd68b72d793648474fba8ddaca186e6",
    "fingerprint_version": 1,
    "page_url": "https://www.rightshold.com/store/external/exa-search-server"
  },
  "summary": {
    "slug": "exa-search-server",
    "url": "https://mcp.exa.ai/mcp",
    "server_name": "exa-search-server",
    "current": {
      "outcome": "up",
      "at": "2026-10-27T22:46:20.765Z",
      "latency_ms": 358
    },
    "probes_total": 3,
    "probes_window": 3,
    "up_window": 3,
    "up_share_window_pct": 100,
    "window_days": 30,
    "last_receipt": {
      "id": "mch_g19szgv3r9ym3h",
      "slug": "exa-search-server",
      "at": "2026-10-27T22:46:20.765Z",
      "outcome": "up",
      "latency_ms": 358,
      "tool_count": 2,
      "fingerprint": "d69d0c9e0a85f85819f9d1b722dfc4b58cd68b72d793648474fba8ddaca186e6",
      "fingerprint_version": 1,
      "detail": "the MCP handshake answered (initialize + tools/list) with tool definitions matching recorded fingerprint version 1",
      "receipt_hash": "026bdb1ce75b2450901592509a1a74e31eef9febfd966a71eae72633a50daa35",
      "prev_hash": "acaf4c40b16b39542c6865b5d52f3bb72b5688313238161ba2c2d5f86e306e81",
      "ledger_seq": null,
      "record_url": "https://www.rightshold.com/v1/mcp-health/exa-search-server"
    },
    "history_url": "https://www.rightshold.com/v1/mcp-health/exa-search-server"
  },
  "history": [
    {
      "id": "mch_g19szgv3r9ym3h",
      "slug": "exa-search-server",
      "at": "2026-10-27T22:46:20.765Z",
      "outcome": "up",
      "latency_ms": 358,
      "tool_count": 2,
      "fingerprint": "d69d0c9e0a85f85819f9d1b722dfc4b58cd68b72d793648474fba8ddaca186e6",
      "fingerprint_version": 1,
      "detail": "the MCP handshake answered (initialize + tools/list) with tool definitions matching recorded fingerprint version 1",
      "receipt_hash": "026bdb1ce75b2450901592509a1a74e31eef9febfd966a71eae72633a50daa35",
      "prev_hash": "acaf4c40b16b39542c6865b5d52f3bb72b5688313238161ba2c2d5f86e306e81",
      "ledger_seq": null,
      "record_url": "https://www.rightshold.com/v1/mcp-health/exa-search-server"
    },
    {
      "id": "mch_u1vnshvlr8cqxs",
      "slug": "exa-search-server",
      "at": "2026-10-27T22:01:20.991Z",
      "outcome": "up",
      "latency_ms": 371,
      "tool_count": 2,
      "fingerprint": "d69d0c9e0a85f85819f9d1b722dfc4b58cd68b72d793648474fba8ddaca186e6",
      "fingerprint_version": 1,
      "detail": "the MCP handshake answered (initialize + tools/list) with tool definitions matching recorded fingerprint version 1",
      "receipt_hash": "acaf4c40b16b39542c6865b5d52f3bb72b5688313238161ba2c2d5f86e306e81",
      "prev_hash": "bc1947e07b5889a098c35e89f55cdb8f4e294e24c22330c55f95565ea5314193",
      "ledger_seq": null,
      "record_url": "https://www.rightshold.com/v1/mcp-health/exa-search-server"
    },
    {
      "id": "mch_hsuhr0o0r7gz9v",
      "slug": "exa-search-server",
      "at": "2026-10-27T21:36:38.803Z",
      "outcome": "up",
      "latency_ms": 330,
      "tool_count": 2,
      "fingerprint": "d69d0c9e0a85f85819f9d1b722dfc4b58cd68b72d793648474fba8ddaca186e6",
      "fingerprint_version": 1,
      "detail": "the MCP handshake answered (initialize + tools/list) with tool definitions matching recorded fingerprint version 1",
      "receipt_hash": "bc1947e07b5889a098c35e89f55cdb8f4e294e24c22330c55f95565ea5314193",
      "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
      "ledger_seq": 1938,
      "record_url": "https://www.rightshold.com/v1/mcp-health/exa-search-server"
    }
  ],
  "history_count": 3,
  "empty": false
}