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Nextflow Developer Tools MCP

by adamrtalbot
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local-only server

The server can only run on the client’s local machine because it depends on local resources.

Integrations

  • Enables testing of the nf-amazon plugin for Nextflow, providing integration capabilities with Amazon Web Services for Nextflow workflows.

  • Supports interaction with Git repositories for Nextflow development, including cloning and managing the local Nextflow repository.

  • Provides a comprehensive suite of development tools for Nextflow, including building from source, running tests (integration and plugin tests), executing development versions, managing development directories, and accessing documentation.

Nextflow Developer Tools MCP

A Model Context Protocol (MCP) server designed for Nextflow development and testing, built with FastMCP.

Warning

This MCP is designed for developing Nextflow itself, not for writing Nextflow pipelines.

Overview

This MCP provides a suite of tools for Nextflow development, including:

  • Building Nextflow from source
  • Running tests (integration tests, specific tests, plugin tests)
  • Running the development version of Nextflow
  • Managing the Nextflow development directory
  • Accessing Nextflow documentation

Installation

Prerequisites

Installing with FastMCP to use in Claude Desktop

  1. Install the FastMCP CLI tool:
pip install fastmcp
  1. Clone this repository:
git clone https://github.com/yourusername/nextflow-dev-mcp.git cd nextflow-dev-mcp
  1. Install the MCP in Claude Desktop:
fastmcp install mcp-nextflow.py

This will make the MCP available in the Claude Desktop app.

Installing with FastMCP to use in Cursor

  1. Fetch the virtual environment path which includes the FastMCP CLI tool. If you are using uv this will be in the .venv directory.
  2. Get the directory of your Nextflow cloned repository.
  3. Add the following json to the cursor MCP servers:
{ "mcpServers": { "server-name": { "command": "/path/to/your/.venv/bin/python", "args": [ "/path/to/your/mcp-nextflow/mcp-nextflow.py" ], "env": { "NEXTFLOW_DIR": "/path/to/your/nextflow" } } } }

Then, you should be able to use the MCP in Cursor. In Agentic mode, ask the agent to "test the nf-amazon plugin" and it should run make test module=plugins:nf-amazon.

Setting Environment Variables

You can specify the Nextflow directory during installation:

NEXTFLOW_DIR=/path/to/your/nextflow fastmcp install mcp-nextflow.py

Using with Claude

Once installed, you can access the MCP in the Claude Desktop app:

  1. Open Claude Desktop
  2. Click on the Tools menu button in the Claude interface
  3. Select Nextflow Developer Tools from the list of installed MCPs

Using with Cursor

Cursor is an AI-powered code editor that works with Claude. To use the MCP with Cursor:

  1. Make sure you've installed the MCP as described above
  2. Open your Nextflow project in Cursor
  3. In a chat with Claude in Cursor, you can reference the MCP:
    Using the Nextflow Developer Tools, run the integration tests for the nf-amazon plugin

This server cannot be installed

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A Model Context Protocol server designed to facilitate Nextflow development and testing, providing tools for building from source, running tests, and managing the Nextflow development environment.

  1. Overview
    1. Installation
      1. Prerequisites
      2. Installing with FastMCP to use in Claude Desktop
      3. Installing with FastMCP to use in Cursor
      4. Setting Environment Variables
    2. Using with Claude
      1. Using with Cursor
        ID: d6e2p9w6h9