Cursor MCPとは？設定方法・おすすめサーバー・使い方完全ガイド【2026年最新】

{
  "mcpServers": {
    "サーバー名": {
      "command": "実行コマンド",
      "args": ["引数1", "引数2"],
      "env": {
        "API_KEY": "your-api-key"
      }
    }
  }
}

{
  "mcpServers": {
    "github": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-github"],
      "env": {
        "GITHUB_PERSONAL_ACCESS_TOKEN": "your-token-here"
      }
    }
  }
}

{
  "mcpServers": {
    "github": {
      "command": "docker",
      "args": [
        "run", "-i", "--rm",
        "-e", "GITHUB_PERSONAL_ACCESS_TOKEN",
        "ghcr.io/github/github-mcp-server"
      ],
      "env": {
        "GITHUB_PERSONAL_ACCESS_TOKEN": "your-token-here"
      }
    }
  }
}

{
  "mcpServers": {
    "remote-api": {
      "url": "https://mcp.example.com/mcp",
      "headers": {
        "Authorization": "Bearer your-api-key"
      }
    }
  }
}

{
  "mcpServers": {
    "github": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-github"],
      "env": {
        "GITHUB_PERSONAL_ACCESS_TOKEN": "your-token-here"
      }
    }
  }
}

{
  "mcpServers": {
    "notion": {
      "url": "https://mcp.notion.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "figma": {
      "command": "npx",
      "args": ["-y", "figma-developer-mcp", "--figma-api-key", "your-figma-api-key"]
    }
  }
}

{
  "mcpServers": {
    "playwright": {
      "command": "npx",
      "args": ["-y", "@playwright/mcp@latest"]
    }
  }
}

{
  "mcpServers": {
    "mysql": {
      "command": "npx",
      "args": ["-y", "@benborla29/mcp-server-mysql"],
      "env": {
        "MYSQL_HOST": "localhost",
        "MYSQL_PORT": "3306",
        "MYSQL_USER": "your-username",
        "MYSQL_PASS": "your-password",
        "MYSQL_DB": "your-database"
      }
    }
  }
}

# mcp.jsonに書いている内容をそのまま実行する
npx -y @modelcontextprotocol/server-github

// NG（Windowsパスをそのままコピーすると動かない）
"args": ["C:\\Users\\user\\mcp\\server.js"]

// OK（バックスラッシュを二重にエスケープ）
"args": ["C:\\\\Users\\\\user\\\\mcp\\\\server.js"]

# 現在の設定を確認
cursor mcp list

# MCPサーバーを追加（対話形式）
cursor mcp add

# 特定サーバーを削除
cursor mcp remove server-name

{
  "mcpServers": {
    "github": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-github"],
      "env": {
        "GITHUB_PERSONAL_ACCESS_TOKEN": "${GITHUB_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "notion": {
      "url": "https://mcp.notion.com/mcp"
    }
  }
}

import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";

const server = new Server(
  { name: "my-custom-server", version: "1.0.0" },
  { capabilities: { tools: {} } }
);

// ツールの定義
server.setRequestHandler(ListToolsRequestSchema, async () => ({
  tools: [
    {
      name: "my_tool",
      description: "カスタムツールの説明",
      inputSchema: {
        type: "object",
        properties: {
          query: { type: "string", description: "クエリ" }
        }
      }
    }
  ]
}));

// ツールの実装
server.setRequestHandler(CallToolRequestSchema, async (request) => {
  if (request.params.name === "my_tool") {
    // 実際の処理を書く
    return { content: [{ type: "text", text: "結果" }] };
  }
});

const transport = new StdioServerTransport();
await server.connect(transport);

{
  "mcpServers": {
    "my-server": {
      "command": "npx",
      "args": ["-y", "my-mcp-server"],
      "env": {
        "API_KEY": "your-key"
      },
      "disabled": false,
      "alwaysAllow": ["tool_name_1", "tool_name_2"]
    }
  }
}