MCP 错误目录

{
  "jsonrpc": "2.0",
  "id": 0,
  "error": {
    "code": -32000,
    "message": "Use https://worldmonitor.app/mcp",
    "data": {
      "reason": "canonical_endpoint_required",
      "endpoint": "https://worldmonitor.app/mcp"
    }
  }
}

HTTP/1.1 410 Gone
Cache-Control: no-store
Link: <https://worldmonitor.app/mcp>; rel="canonical"
Access-Control-Allow-Origin: *
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 7,
  "error": {
    "code": -32001,
    "message": "Authentication required. Use OAuth (/oauth/token) or pass your API key via X-WorldMonitor-Key header."
  }
}

HTTP/1.1 401 Unauthorized
WWW-Authenticate: Bearer realm="worldmonitor", resource_metadata="https://worldmonitor.app/.well-known/oauth-protected-resource/mcp"
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 7,
  "error": {
    "code": -32002,
    "message": "This tool requires a WorldMonitor Pro subscription.",
    "data": {
      "reason": "upgrade-required",
      "nextStep": "Call a free-account tool or subscribe to Pro.",
      "upgradeUrl": "https://worldmonitor.app/pro"
    }
  }
}

{
  "jsonrpc": "2.0",
  "id": 5,
  "error": {
    "code": -32003,
    "message": "Required data inputs are unavailable",
    "data": {
      "retryable": true,
      "stale": true,
      "unavailable_inputs": ["news:insights:v1"],
      "failed_inputs": []
    }
  }
}

{
  "jsonrpc": "2.0",
  "id": 7,
  "error": {
    "code": -32029,
    "message": "Rate limit exceeded. Max 300 requests per minute per user."
  }
}

{
  "jsonrpc": "2.0",
  "id": 7,
  "error": {
    "code": -32029,
    "message": "Daily MCP quota exceeded (50/day). Resets at next UTC midnight.",
    "data": {
      "reason": "quota-exceeded",
      "nextStep": "Wait for the next UTC day, or upgrade at the upgrade URL for a higher daily limit.",
      "upgradeUrl": "https://worldmonitor.app/pro?utm_source=mcp&utm_medium=agent&utm_campaign=mcp-paid-funnel",
      "limit": 50,
      "sharedWithRestApi": false
    }
  }
}

HTTP/1.1 429 Too Many Requests
Retry-After: 41200
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 7,
  "error": { "code": -32600, "message": "Invalid request: missing method" }
}

{
  "jsonrpc": "2.0",
  "id": 2,
  "error": { "code": -32601, "message": "Method not found: tools/run" }
}

{
  "jsonrpc": "2.0",
  "id": 4,
  "error": { "code": -32602, "message": "Unknown tool: get_marekt_data" }
}

{
  "jsonrpc": "2.0",
  "id": 5,
  "error": { "code": -32603, "message": "Internal error: data fetch failed" }
}

{
  "jsonrpc": "2.0",
  "id": 7,
  "error": { "code": -32603, "message": "Auth service temporarily unavailable. Try again." }
}

HTTP/1.1 503 Service Unavailable
Retry-After: 5
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 12,
  "result": {
    "content": [
      {
        "type": "text",
        "text": "{\"_budget_exceeded\":true,\"budget_bytes\":65536,\"actual_bytes\":142337,\"hint\":\"Response still exceeds tool output budget after JMESPath projection. Use a more selective expression to project fewer fields, or apply tool-level filters to narrow the result set.\"}"
      }
    ]
  }
}

{
  "_budget_exceeded": true,
  "budget_bytes": 65536,
  "actual_bytes": 142337,
  "hint": "Response still exceeds tool output budget after JMESPath projection. Use a more selective expression to project fewer fields, or apply tool-level filters to narrow the result set."
}

{
  "_jmespath_error": "invalid_expression: Parse error at column 32: …",
  "original_keys": ["stocks-bootstrap", "commodities-bootstrap", "crypto", "sectors", "etf-flows", "gulf-quotes", "fear-greed"]
}

{
  "_jmespath_error": "expression_too_long: 1156 > 1024",
  "original_keys": ["stocks-bootstrap", "commodities-bootstrap", "crypto"]
}

{
  "_jmespath_error": "invalid_expression: Parse error at column 32: expected one of [LBRACKET, DOT]",
  "original_keys": ["ucdp-events"]
}

{
  "_jmespath_error": "projection_too_large: 412338 > 262144",
  "original_keys": ["ucdp-events"]
}