Claude Code
Use Claude Code with less capable LLMs.
Locate the Claude CLI Executable on Your Machine
- If you have not yet installed Claude CLI, follow the guide here: Claude Code CLI Setup.
- After installation, find the full path to your
claudeCLI executable.- Example for Linux/macOS:
/home/linuxbrew/.linuxbrew/bin/claude - Example for Windows:
C:\Users\YourUser\AppData\Local\bin\claude.exe
- Example for Linux/macOS:
Complete Authentication for Claude CLI
- Open your terminal and confirm that
claudeis authenticated and works (e.g., by runningclaude --help). - If authentication is not yet set up, follow the relevant instructions linked above to ensure you have completed the authentication step.
- Open your terminal and confirm that
Fill in the ENV Fields in the FastMCP Connection Interface
- In the FastMCP interface, when prompted to add environment variables via the “Install Now” button, fill in the fields as follows:
CLAUDE_BIN: The full absolute path to your Claude CLI executable (from Step 1).LOG_LEVEL(Optional): Set the desired logging level, e.g.,info. You may leave this blank or set toinfo,debug,warn, orerroras needed.
- In the FastMCP interface, when prompted to add environment variables via the “Install Now” button, fill in the fields as follows:
Finish Setup
- Continue setup as directed in FastMCP. If prompted, restart your MCP server or host application to apply changes.
Summary of Required ENVs:
CLAUDE_BIN(Required)LOG_LEVEL(Optional)
You do not need to manually create a .env file if using the FastMCP interface—just provide the values in the connection settings.
How to Install Claude Code
Install Claude Code MCP server with one click through FastMCP. Choose your preferred AI development tool below:
Claude Desktop
Click "Claude Desktop" in Quick Start
Cursor IDE
Click "Cursor IDE" in Quick Start
VS Code
Click "VS Code" in Quick Start
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Configuration for
Environment Variables
Please provide values for the following environment variables:
HTTP Headers
Please provide values for the following HTTP headers:
started!
The MCP server should open in . If it doesn't open automatically, please check that you have the application installed.
Copy and run this command in your terminal:
Make sure Gemini CLI is installed:
Visit Gemini CLI documentation for installation instructions.
Make sure Claude Code is installed:
Visit Claude Code documentation for installation instructions.
Installation Steps:
Configuration
Installation Failed
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