{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://matrixscroll.com/schemas/ssx360.mcp-manifest.v1.json",
  "title": "SSX360 MCP Tool Surface Manifest v1",
  "description": "CC0 — Ed25519-signed fingerprint of an MCP server's tool surface for offline verify and drift detection.",
  "type": "object",
  "required": ["schema", "scanned_at", "tools", "surface_hash"],
  "additionalProperties": true,
  "properties": {
    "schema": {
      "type": "string",
      "const": "ssx360.mcp-manifest.v1"
    },
    "scanned_at": {
      "type": "string",
      "format": "date-time",
      "description": "UTC timestamp when the tool surface was fingerprinted (ISO 8601)."
    },
    "server": {
      "type": "object",
      "description": "Optional MCP server metadata captured at scan time.",
      "properties": {
        "name": { "type": "string" },
        "version": { "type": "string" },
        "url": { "type": "string", "format": "uri" },
        "package": {
          "type": "string",
          "description": "npm/pypi package coordinate when applicable."
        }
      },
      "additionalProperties": true
    },
    "tools": {
      "type": "array",
      "description": "Sorted tool fingerprints (name ascending).",
      "items": {
        "type": "object",
        "required": ["name", "description", "input_schema_hash"],
        "properties": {
          "name": { "type": "string" },
          "description": { "type": "string" },
          "input_schema_hash": {
            "type": "string",
            "pattern": "^sha256:[0-9a-f]{64}$",
            "description": "Canonical JSON hash of the MCP tool inputSchema."
          }
        },
        "additionalProperties": false
      }
    },
    "surface_hash": {
      "type": "string",
      "pattern": "^sha256:[0-9a-f]{64}$",
      "description": "Aggregate hash over the sorted tools array."
    },
    "signature": {
      "type": "object",
      "description": "Matrix Scroll Ed25519 signature block (matrixscroll.signature.v1).",
      "required": ["schema", "algorithm", "device_id", "public_key", "mode", "signed_at", "value"],
      "properties": {
        "schema": { "type": "string", "const": "matrixscroll.signature.v1" },
        "algorithm": { "type": "string", "const": "ed25519" },
        "device_id": { "type": "string" },
        "public_key": { "type": "string" },
        "mode": { "type": "string" },
        "signed_at": { "type": "string", "format": "date-time" },
        "value": { "type": "string" }
      },
      "additionalProperties": true
    }
  }
}