MCP 服务器集成

// opencode.json
{
  "mcp": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "/home/user/projects"]
    }
  }
}

{
  "mcp": {
    "remote-docs": {
      "url": "https://docs.company.com/mcp/sse",
      "headers": {
        "Authorization": "Bearer ${DOCS_TOKEN}"
      }
    }
  }
}

{
  "mcp": {
    "github": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-github"],
      "enabled": true      // ← 启用
    },
    "postgres": {
      // ...
      "enabled": false     // ← 禁用
    }
  }
}

{
  "mcp": {
    "fs": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "/allowed/path"]
    }
  }
}

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

{
  "mcp": {
    "postgres": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-postgres", "postgresql://user:pass@localhost/mydb"]
    }
  }
}

{
  "mcp": {
    "brave": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-brave-search"],
      "env": {
        "BRAVE_API_KEY": "${BRAVE_API_KEY}"
      }
    }
  }
}

{
  "mcp": {
    // 只启用当前任务需要的
    "github": { "enabled": false },
    "postgres": { "enabled": true },
    "fs": { "enabled": true }
  }
}

// opencode.json
{
  "$schema": "https://opencode.ai/config.json",
  "model": "anthropic/claude-sonnet-4-5",
  
  "mcp": {
    "fs": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "/home/user/projects"]
    },
    "postgres": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-postgres", "postgresql://dev:dev@localhost:5432/myapp"]
    },
    "github": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-github"],
      "env": {
        "GITHUB_PERSONAL_ACCESS_TOKEN": "${GITHUB_TOKEN}"
      },
      "enabled": false  // 默认禁用，需要时启用
    }
  },
  
  "permission": {
    "fs_*": "allow",
    "postgres_query": "allow",
    "postgres_list_tables": "allow",
    "github_*": "ask"
  }
}

// my-mcp-server.ts
import { Server } from '@modelcontextprotocol/sdk/server/index.js';
import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
 
const server = new Server({
  name: 'my-custom-mcp',
  version: '1.0.0'
}, {
  capabilities: {
    tools: {}
  }
});
 
// 注册工具
server.setRequestHandler('tools/list', async () => {
  return {
    tools: [{
      name: 'custom_search',
      description: '搜索内部知识库',
      inputSchema: {
        type: 'object',
        properties: {
          query: { type: 'string' }
        },
        required: ['query']
      }
    }]
  };
});
 
// 处理工具调用
server.setRequestHandler('tools/call', async (request) => {
  if (request.params.name === 'custom_search') {
    const { query } = request.params.arguments;
    const results = await searchInternalKB(query);
    return {
      content: [{ type: 'text', text: JSON.stringify(results) }]
    };
  }
});
 
const transport = new StdioServerTransport();
await server.connect(transport);