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Just MCP Server

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Just MCP Server runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 16 Jul 2026.

Expose curated Justfile recipes via MCP for safe deterministic automation.

Installs / week
not published
58
Stars
2 open issues
16 Jul 2026
Last commit
from GitHub
MIT
License
Rust

What the code does

We read the source, 21 h ago · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command npm/index.js:15
const result = spawnSync(binaryPath, process.argv.slice(2), {
Builds a file path from a variable npm/index.js:12, npm/install.js:59
const binaryPath = path.join(__dirname, 'bin', binaryName);
Runs an external command python/just_mcp/__init__.py:121
        result = subprocess.run(

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

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Just MCP Server — questions

Answers built from our own checks of this server.

Why is there no uptime for Just MCP Server?
Just MCP Server runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.
Is Just MCP Server open source?
Yes — it is published under the MIT licence, written in Rust, 58 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.