Modal MCP Toolbox π οΈ
A collection of Model Context Protocol (MCP) tools that run on Modal. This letβs you extend the capabilities of your LLM in tools such as Gooseβ or the Claude Desktop Appβ.
Tools
run_python_code_in_sandbox: Letβs you run python code in a sandboxed environment.generate_flux_image: Generate an image using the FLUX model.
Demo
Flux Image Generation

Python Code Execution

Prerequisites
- A modal accountβ and a configured modal CLI.
- UVβ
- A client that supports MCP. Such as the Claude Desktop Appβ or Gooseβ
This runs against your modal account, so you will need to have a modal account and be logged in.
Installation
Installation depends on the client that uses the MCP. Here is instructions for Claude and Goose.
Claude
Got to Settings > Developer in the Claude Desktop App. And click on Edit Config.

Add the config for the mcp server. My config looks like this:
{
"mcpServers": {
"modal-toolbox": {
"command": "uvx",
"args": ["modal-mcp-toolbox"]
}
}
}Goose
Go to Settings and Click on Add.

Then add an extension like in the screenshot below. The important part is to set command to:
uvx modal-mcp-toolboxThe rest you can fill in as you like.

Installing via Smithery (not working currently)
To install Modal MCP Toolbox for Claude Desktop automatically via Smitheryβ:
npx -y @smithery/cli install @philipp-eisen/modal-mcp-toolbox --client claude