promptexecution/just-mcp

Overview

An MCP server that exposes just command runner recipes to AI assistants via the Model Context Protocol. It enables AI tools to execute just tasks defined in a Justfile, bridging automation with AI workflows.

Best for

Best for
Developers using just who want AI assistants to run their task automation

Use cases

• Running just recipes from an AI assistant
• Integrating just-based build or task automation with AI tools
• Executing project-specific commands via natural language prompts

How to use

Install

npx just-mcp --stdio

Tools exposed

• list_recipes
• run_recipe
• get_recipe_info
• validate_justfile

Tested with

Claude Desktop, VS Code

Notes

An MCP server that exposes just command runner recipes to AI assistants via the Model Context Protocol. It enables AI tools to execute just tasks defined in a Justfile, bridging automation with AI workflows.

49 stars on GitHub. Last updated 2025-12-03. Licensed MIT.

Use cases

• Running just recipes from an AI assistant
• Integrating just-based build or task automation with AI tools
• Executing project-specific commands via natural language prompts

Pros

• Leverages the simplicity and speed of just for task execution
• Enables AI to trigger existing automation without manual intervention
• Written in Rust for performance and reliability

Cons

• Requires a Justfile to be present in the project
• Limited to commands defined in just recipes
• Relatively new with small community (49 stars)

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.