Schema 参考

{
  “_meta”: {
    “io.modelcontextprotocol/protocolVersion”: “2026-07-28”,
    “io.modelcontextprotocol/clientInfo”: {
      “name”: “ExampleClient”,
      “version”: “1.0.0”
    },
    “io.modelcontextprotocol/clientCapabilities”: {}
  },
  “cursor”: “eyJwYWdlIjogMn0=”
} Copy

{
  “code”: -32603,
  “message”: “Internal error”
} Copy

{
  “code”: -32602,
  “message”: “Unknown tool: invalid_tool_name”
} Copy

{
  “code”: -32602,
  “message”: “Invalid arguments for tool calculate: Missing required property ‘expression’”
} Copy

{
  “code”: -32602,
  “message”: “Unknown prompt: invalid_prompt_name”
} Copy

{
  “code”: -32602,
  “message”: “Invalid cursor”
} Copy

{
  “code”: -32601,
  “message”: “Prompts not supported”,
  “data”: {
    “reason”: “Server does not support the prompts capability”
  }
} Copy

{
  “jsonrpc”: “2.0”,
  “id”: 1,
  “error”: {
    “code”: -32003,
    “message”: “Server requires the elicitation capability for this request”,
    “data”: {
      “requiredCapabilities”: {
        “elicitation”: {}
      }
    }
  }
} Copy

{
  “code”: -32700,
  “message”: “Parse error: Invalid JSON”
} Copy

{
  “jsonrpc”: “2.0”,
  “id”: 1,
  “error”: {
    “code”: -32004,
    “message”: “Unsupported protocol version”,
    “data”: {
      “supported”: [“2026-07-28”, “2025-11-25”],
      “requested”: “1900-01-01”
    }
  }
} Copy

{
  “type”: “audio”,
  “data”: “UklGRiQAAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQAAAAA=”,
  “mimeType”: “audio/wav”
} Copy

{
  “uri”: “file:///example.png”,
  “mimeType”: “image/png”,
  “blob”: “iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==”
} Copy

{
  “type”: “resource”,
  “resource”: {
    “uri”: “file:///project/src/main.rs”,
    “mimeType”: “text/x-rust”,
    “text”: “fn main() {\n    println!(\“Hello world!\”);\n}”
  },
  “annotations”: {
    “audience”: [“user”, “assistant”],
    “priority”: 0.7,
    “lastModified”: “2025-05-03T14:30:00Z”
  }
} Copy

{
  “type”: “image”,
  “data”: “iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==”,
  “mimeType”: “image/png”,
  “annotations”: {
    “audience”: [“user”],
    “priority”: 0.9
  }
} Copy

{
  “type”: “resource_link”,
  “uri”: “file:///project/src/main.rs”,
  “name”: “main.rs”,
  “description”: “Primary application entry point”,
  “mimeType”: “text/x-rust”
} Copy

{
  “type”: “text”,
  “text”: “Tool result text”
} Copy

{
  “uri”: “file:///example.txt”,
  “mimeType”: “text/plain”,
  “text”: “Resource content”
} Copy

{
  “jsonrpc”: “2.0”,
  “id”: “completion-example”,
  “method”: “completion/complete”,
  “params”: {
    “_meta”: {
      “io.modelcontextprotocol/protocolVersion”: “2026-07-28”,
      “io.modelcontextprotocol/clientInfo”: {
        “name”: “ExampleClient”,
        “version”: “1.0.0”
      },
      “io.modelcontextprotocol/clientCapabilities”: {}
    },
    “ref”: {
      “type”: “ref/prompt”,
      “name”: “code_review”
    },
    “argument”: {
      “name”: “language”,
      “value”: “py”
    }
  }
} Copy

{
  “_meta”: {
    “io.modelcontextprotocol/protocolVersion”: “2026-07-28”,
    “io.modelcontextprotocol/clientInfo”: {
      “name”: “ExampleClient”,
      “version”: “1.0.0”
    },
    “io.modelcontextprotocol/clientCapabilities”: {}
  },
  “ref”: {
    “type”: “ref/prompt”,
    “name”: “code_review”
  },
  “argument”: {
    “name”: “language”,
    “value”: “py”
  }
} Copy

{
  “_meta”: {
    “io.modelcontextprotocol/protocolVersion”: “2026-07-28”,
    “io.modelcontextprotocol/clientInfo”: {
      “name”: “ExampleClient”,
      “version”: “1.0.0”
    },
    “io.modelcontextprotocol/clientCapabilities”: {}
  },
  “ref”: {
    “type”: “ref/prompt”,
    “name”: “code_review”
  },
  “argument”: {
    “name”: “framework”,
    “value”: “fla”
  },
  “context”: {
    “arguments”: {
      “language”: “python”
    }
  }
} Copy

{
  “jsonrpc”: “2.0”,
  “id”: “completion-example”,
  “result”: {
    “resultType”: “complete”,
    “completion”: {
      “values”: [“flask”],
      “total”: 1,
      “hasMore”: false
    }
  }
} Copy

{
  “resultType”: “complete”,
  “completion”: {
    “values”: [“flask”],
    “total”: 1,
    “hasMore”: false
  }
} Copy

{
  “resultType”: “complete”,
  “completion”: {
    “values”: [“python”, “pytorch”, “pyside”],
    “total”: 10,
    “hasMore”: true
  }
} Copy

{
  “method”: “elicitation/create”,
  “params”: {
    “mode”: “form”,
    “message”: “Please provide your GitHub username”,
    “requestedSchema”: {
      “type”: “object”,
      “properties”: {
        “name”: {
          “type”: “string”,
          “title”: “GitHub Username”,
          “description”: “Your GitHub username”
        }
      },
      “required”: [“name”]
    }
  }
} Copy

{
  “action”: “accept”,
  “content”: {
    “name”: “octocat”
  }
} Copy

{
  “action”: “accept”,
  “content”: {
    “name”: “Monalisa Octocat”,
    “email”: “octocat@github.com”,
    “age”: 30
  }
} Copy

{
  “action”: “accept”
} Copy

{
  “type”: “boolean”,
  “title”: “Display Name”,
  “description”: “Description text”,
  “default”: false
} Copy

{
  “mode”: “form”,
  “message”: “Please provide your GitHub username”,
  “requestedSchema”: {
    “type”: “object”,
    “properties”: {
      “name”: {
        “type”: “string”
      }
    },
    “required”: [“name”]
  }
} Copy

{
  “mode”: “form”,
  “message”: “Please provide your contact information”,
  “requestedSchema”: {
    “type”: “object”,
    “properties”: {
      “name”: {
        “type”: “string”,
        “description”: “Your full name”
      },
      “email”: {
        “type”: “string”,
        “format”: “email”,
        “description”: “Your email address”
      },
      “age”: {
        “type”: “number”,
        “minimum”: 18,
        “description”: “Your age”
      }
    },
    “required”: [“name”, “email”]
  }
} Copy

{
  “mode”: “url”,
  “elicitationId”: “550e8400-e29b-41d4-a716-446655440000”,
  “url”: “https://mcp.example.com/ui/set_api_key”,
  “message”: “Please provide your API key to continue.”
} Copy

{
  “type”: “number”,
  “title”: “Display Name”,
  “description”: “Description text”,
  “minimum”: 0,
  “maximum”: 100,
  “default”: 50
} Copy

{
  “type”: “string”,
  “title”: “Display Name”,
  “description”: “Description text”,
  “minLength”: 3,
  “maxLength”: 50,
  “format”: “email”,
  “default”: “user@example.com”
} Copy

{
  “type”: “array”,
  “title”: “Color Selection”,
  “description”: “Choose your favorite colors”,
  “minItems”: 1,
  “maxItems”: 2,
  “items”: {
    “anyOf”: [
      { “const”: “#FF0000”, “title”: “Red” },
      { “const”: “#00FF00”, “title”: “Green” },
      { “const”: “#0000FF”, “title”: “Blue” }
    ]
  },
  “default”: [“#FF0000”, “#00FF00”]
} Copy

{
  “type”: “string”,
  “title”: “Color Selection”,
  “description”: “Choose your favorite color”,
  “oneOf”: [
    { “const”: “#FF0000”, “title”: “Red” },
    { “const”: “#00FF00”, “title”: “Green” },
    { “const”: “#0000FF”, “title”: “Blue” }
  ],
  “default”: “#FF0000”
} Copy

{
  “type”: “array”,
  “title”: “Color Selection”,
  “description”: “Choose your favorite colors”,
  “minItems”: 1,
  “maxItems”: 2,
  “items”: {
    “type”: “string”,
    “enum”: [“Red”, “Green”, “Blue”]
  },
  “default”: [“Red”, “Green”]
} Copy

{
  “type”: “string”,
  “title”: “Color Selection”,
  “description”: “Choose your favorite color”,
  “enum”: [“Red”, “Green”, “Blue”],
  “default”: “Red”
} Copy

{
  “jsonrpc”: “2.0”,
  “method”: “notifications/cancelled”,
  “params”: {
    “requestId”: “123”,
    “reason”: “User requested cancellation”
  }
} Copy

{
  “requestId”: “123”,
  “reason”: “User requested cancellation”
} Copy

{
  “jsonrpc”: “2.0”,
  “method”: “notifications/message”,
  “params”: {
    “level”: “error”,
    “logger”: “database”,
    “data”: {
      “error”: “Connection failed”,
      “details”: {
        “host”: “localhost”,
        “port”: 5432
      }
    }
  }
} Copy

{
  “level”: “error”,
  “logger”: “database”,
  “data”: {
    “error”: “Connection failed”,
    “details”: {
      “host”: “localhost”,
      “port”: 5432
    }
  }
} Copy

{
  “jsonrpc”: “2.0”,
  “method”: “notifications/progress”,
  “params”: {
    “progressToken”: “oivaizmir”,
    “progress”: 50,
    “total”: 100,
    “message”: “Reticulating splines…”
  }
} Copy

{
  “progressToken”: “oivaizmir”,
  “progress”: 50,
  “total”: 100,
  “message”: “Reticulating splines…”
} Copy

{
  “jsonrpc”: “2.0”,
  “method”: “notifications/prompts/list_changed”
} Copy

{
  “jsonrpc”: “2.0”,
  “method”: “notifications/resources/list_changed”
} Copy

{
  “jsonrpc”: “2.0”,
  “method”: “notifications/resources/updated”,
  “params”: {
    “uri”: “file:///project/src/main.rs”
  }
} Copy

{
  “uri”: “file:///project/src/main.rs”
} Copy

{
  “jsonrpc”: “2.0”,
  “method”: “notifications/subscriptions/acknowledged”,
  “params”: {
    “_meta”: {
      “io.modelcontextprotocol/subscriptionId”: “listen-1”
    },
    “notifications”: {
      “toolsListChanged”: true,
      “resourceSubscriptions”: [“file:///project/config.json”]
    }
  }
} Copy

{
  “jsonrpc”: “2.0”,
  “method”: “notifications/tools/list_changed”
} Copy

{
  “jsonrpc”: “2.0”,
  “method”: “notifications/elicitation/complete”,
  “params”: {
    “elicitationId”: “550e8400-e29b-41d4-a716-446655440000”
  }
} Copy

{
  “github_login”: {
    “method”: “elicitation/create”,
    “params”: {
      “mode”: “form”,
      “message”: “Please provide your GitHub username”,
      “requestedSchema”: {
        “type”: “object”,
        “properties”: {
          “name”: {
            “type”: “string”
          }
        },
        “required”: [“name”]
      }
    }
  },
  “capital_of_france”: {
    “method”: “sampling/createMessage”,
    “params”: {
      “messages”: [
        {
          “role”: “user”,
          “content”: {
            “type”: “text”,
            “text”: “What is the capital of France?”
          }
        }
      ],
      “maxTokens”: 100
    }
  }
} Copy

{
  “resultType”: “input_required”,
  “inputRequests”: {
    “github_login”: {
      “method”: “elicitation/create”,
      “params”: {
        “message”: “Please provide your GitHub username”,
        “requestedSchema”: {
          “type”: “object”,
          “properties”: {
            “name”: {
              “type”: “string”
            }
          },
          “required”: [“name”]
        }
      }
    },
    “capital_of_france”: {
      “method”: “sampling/createMessage”,
      “params”: {
        “messages”: [
          {
            “role”: “user”,
            “content”: {
              “type”: “text”,
              “text”: “What is the capital of France?”
            }
          }
        ],
        “maxTokens”: 100
      }
    }
  },
  “requestState”: “eyJsb2NhdGlvbiI6Ik5ldyBZb3JrIn0”
} Copy

{
  “resultType”: “input_required”,
  “requestState”: “eyJwcm9ncmVzcyI6IjUwJSIsInN0YXRlIjoicHJvY2Vzc2luZyJ9”
} Copy

{
  “github_login”: {
    “action”: “accept”,
    “content”: {
      “name”: “octocat”
    }
  },
  “capital_of_france”: {
    “role”: “assistant”,
    “content”: {
      “type”: “text”,
      “text”: “The capital of France is Paris.”
    },
    “model”: “claude-3-sonnet-20240307”,
    “stopReason”: “endTurn”
  }
} Copy

{
  “jsonrpc”: “2.0”,
  “id”: “get-prompt-example”,
  “method”: “prompts/get”,
  “params”: {
    “_meta”: {
      “io.modelcontextprotocol/protocolVersion”: “2026-07-28”,
      “io.modelcontextprotocol/clientInfo”: {
        “name”: “ExampleClient”,
        “version”: “1.0.0”
      },
      “io.modelcontextprotocol/clientCapabilities”: {}
    },
    “name”: “code_review”,
    “arguments”: {
      “code”: “def hello():\n    print(‘world’)”
    }
  }
} Copy

{
  “_meta”: {
    “io.modelcontextprotocol/protocolVersion”: “2026-07-28”,
    “io.modelcontextprotocol/clientInfo”: {
      “name”: “ExampleClient”,
      “version”: “1.0.0”
    },
    “io.modelcontextprotocol/clientCapabilities”: {}
  },
  “name”: “code_review”,
  “arguments”: {
    “code”: “def hello():\n    print(‘world’)”
  }
} Copy

{
  “jsonrpc”: “2.0”,
  “id”: “get-prompt-example”,
  “result”: {
    “resultType”: “complete”,
    “description”: “Code review prompt”,
    “messages”: [
      {
        “role”: “user”,
        “content”: {
          “type”: “text”,
          “text”: “Please review this Python code:\ndef hello():\n    print(‘world’)”
        }
      }
    ]
  }
} Copy