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Fused MCP Agents

Fused MCP Agents

Public
fusedio/fused-mcp

Enables seamless integration of large language models with APIs and executable Python code via Model Context Protocol, facilitating local setup and execution of custom agents and functions for enhanced data interaction and automation.

python
0 tools
May 30, 2025
Updated Jun 4, 2025

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Fused MCP Agents: Setting up MCP Servers for Data

Documentation   🌪️    Read the announcement    🔥   

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MCP servers allow LLMs like Claude to make HTTP requests, connecting them to APIs & executable code. We built this repo for ourselves & anyone working with data to easily pass any Python code directly to your own desktop Claude app.

This repo offers a simple step-by-step notebook workflow to setup MCP Servers with Claude's Desktop App, all in Python built on top of Fused User Defined Functions (UDFs).

Demo once setup

Requirements

  • Python 3.11
  • Latest Claude Desktop app installed (macOS & Windows)

If you're on Linux, the desktop app isn't available so we've made a simple client you can use to have it running locally too!

You do not need a Fused account to do any of this! All of this will be running on your local machine.

Installation

  • Clone this repo in any local directory, and navigate to the repo:

    git clone https://github.com/fusedio/fused-mcp.git cd fused-mcp/
  • Install uv if you don't have it:

    macOS / Linux:

    curl -LsSf https://astral.sh/uv/install.sh | sh

    Windows:

    powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"
    
  • Test out the client by asking for its info:

    uv run main.py -h
  • Start by following our getting-started notebook fused_mcp_agents.ipynb in your favorite local IDE to get set up and then make your way to the more advanced notebook to make your own Agents & functions

!Notebook

Repository structure

This repo is build on top of MCP Server & Fused UDFs which are Python functions that can be run from anywhere.

Support & Community

Feel free to join our Discord server if you want some help getting unblocked!

Here are a few common steps to debug the setup:

  • Running uv run main.py -h should return something like this:

!uv helper output function

  • You might need to pass global paths to some functions to the Claude_Desktop_Config.json. For example, by default we only pass uv:
{ "mcpServers": { "qgis": { "command": "uv", "args": ["..."] } } }

But you might need to pass the full path to uv, which you can simply pass to common.generate_local_mcp_config in the notebook:

# in fused_mcp_agents.ipynb import shutil common.generate_local_mcp_config( config_path=PATH_TO_CLAUDE_CONFIG, agents_list = ["get_current_time"], repo_path= WORKING_DIR, uv_path=shutil.which('uv'), )

Which would create a config like this:

{ "mcpServers": { "qgis": { "command": "/Users//.local/bin/uv", "args": ["..."] } } }
  • If Claude runs without showing any connected tools, take a look at the MCP Docs for troubleshooting the Claude Desktop setup

Contribute

Feel free to open PRs to add your own UDFs to udfs/ so others can play around with them locally too!

Using a local Claude client (without Claude Desktop app)

If you are unable to install the Claude Desktop app (e.g., on Linux), we provide a small example local client interface to use Claude with the MCP server configured in this repo:

NOTE: You'll need an API key for Claude here as you won't use the Desktop App

  • Create an Anthropic Console Account

  • Create an Anthropic API Key

  • Create a .env:

    touch .env
  • Add your key as ANTHROPIC_API_KEY inside the .env:

    # .env
    ANTHROPIC_API_KEY = "your-key-here"
    
  • Start the MCP server:

    uv run main.py --agent get_current_time
  • In another terminal session, start the local client, pointing to the address of the server:

    uv run client.py http://localhost:8080/sse
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