MCP servers

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Built in

• Context7 — up-to-date library documentation, available on every task
• Linear and Notion — MCP tools appear automatically when the integration is connected
• GitHub — via the authenticated gh CLI (not MCP)
• Browser automation — via the agent-browser CLI, which powers UI verification

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Custom servers

{
  "mcpServers": {
    "my-tool": {
      "type": "stdio",
      "command": "npx",
      "args": ["-y", "my-mcp-server@latest"]
    },
    "database": {
      "type": "stdio",
      "command": "uvx",
      "args": ["postgres-mcp", "--access-mode=readonly"],
      "env": { "DATABASE_URI": "${DATABASE_URL}" }
    },
    "internal-api": {
      "type": "http",
      "url": "https://mcp.myservice.com",
      "headers": { "Authorization": "Bearer ${MY_API_TOKEN}" }
    }
  }
}

• stdio servers run as a command inside the sandbox (npx, uvx, …).
• http servers are remote endpoints.
• ${VAR_NAME} references resolve from your workspace environment variables, so secrets stay out of the repo.