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MCP server · Developer Tools

Micro MCP

by · github.com/pelikhan/micro-mcp

A MCP server framework for the BBC micro:bit and MakeCode

Unclaimed last commit a year ago devtools
InstallView source
39Low

Scored 8 days ago · breakdown

About Micro MCP

Micro MCP is an MCP server published by pelikhan in the Developer Tools category: a MCP server framework for the BBC micro:bit and MakeCode.

The repository has 12 stars and 1 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/pelikhan/micro-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository 6 days ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • !License declaredNo license file. Legally you have no right to use it in a product.
  • !Tests presentNo tests found. Behaviour changes may go unnoticed between versions.
  • ✓Dependencies pinnedA lockfile pins dependency versions.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.

1 check has not been run yet.

README

micro-mcp

Turn your BBC micro:bit into a Model Context Protocol (MCP) server

With this library, you will be able to define MCP tools in TypeScript (blocks not yet) and use the bridge script to connect to a MCP client via stdio.

https://github.com/user-attachments/assets/48418354-385a-45e9-bee1-7e36633dd243

Example

This example shows how to define a tool that displays a number on the micro:bit's LED matrix.

mcp.tool({
    definition: {
        name: "show_number",
        description: "Show a number on the 5 x 5 LED matrix",
        inputSchema: {
            type: "object",
            properties: {
                number: { type: "integer", description: "Integer to show" }
            },
            required: ["number"]
        },
        annotations: {
            title: "Show Number",
            idempotentHint: true,
        }
    },
    handler: (args: { number: number }) => {
        const number = args.number || 0;
        basic.showNumber(number);
        return `ok`;
    }
})
mcp.startServer()

Visual Studio Code

To test out the MCP server, you can use the bridge script in this repository.

  • install dependencies
npm ci
  • create a .vscode/mcp.json file in the root of this repository with the following content:
{
    "servers": {
        "micro-mcp": {
            "type": "stdio",
            "command": "node",
            "args": ["${workspaceFolder}/bridge.mjs"]
        }
    }
}
  • open GitHub Copilot Chat
  • open the mcp.json file and start the server
  • click on the Tools icon and make sure your tool are listed and selected
  • prompt away!

Use as Extension

This repository can be added as an extension in MakeCode.

Edit this project

Use Visual Studio Code to edit this project.

Metadata (used for search, rendering)

  • for PXT/microbit

ChatGPT Image Jun 4, 2025, 02_22_06 PM

README fetched from the repository 6 days ago. The original is authoritative.

Questions

About Micro MCP

How do I install Micro MCP?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Micro MCP safe to use with an AI agent?

Its trust score is 39 out of 100 (low). It passes 3 of the 5 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Micro MCP still maintained?

The last commit was a year ago and 3 open issues. That's long enough that you should check whether the maintainer is responding to issues before depending on it.