install_package
Install Python packages in specified environments to add functionality, with options to upgrade existing packages and set execution time limits.
Instructions
Install a Python package in the specified environment.
Args:
package_name: Name of the package to install
environment: Name of the Python environment
upgrade: Whether to upgrade if already installed
timeout: Maximum execution time in secondsInput Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| package_name | Yes | ||
| environment | No | default | |
| upgrade | No | ||
| timeout | No |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |
Implementation Reference
- mcp_python_interpreter/server.py:684-720 (handler)The handler function implementing the 'install_package' MCP tool. It uses pip to install or upgrade the specified package in the chosen Python environment via subprocess execution. Includes input validation for environments and error handling.
@mcp.tool() async def install_package( package_name: str, environment: str = "default", upgrade: bool = False, timeout: int = 300 ) -> str: """ Install a Python package in the specified environment. Args: package_name: Name of the package to install environment: Name of the Python environment upgrade: Whether to upgrade if already installed timeout: Maximum execution time in seconds """ environments = get_python_environments() if environment == "default" and not any(e["name"] == "default" for e in environments): environment = "system" env = next((e for e in environments if e["name"] == environment), None) if not env: return f"Environment '{environment}' not found. Available: {', '.join(e['name'] for e in environments)}" cmd = [env["path"], "-m", "pip", "install"] if upgrade: cmd.append("--upgrade") cmd.append(package_name) result = await run_subprocess_async(cmd, timeout=timeout) if result["status"] == 0: return f"Successfully {'upgraded' if upgrade else 'installed'} {package_name} in {environment}." else: return f"Error installing {package_name}:\n{result['stderr']}"