S

MCP server for the BrainFuck programming language

brainfaq-mcp

MCP server for the BrainFuck programming language

17/wk 6 tools GitHub npm

No known CVEs

No license

Maintained

Last commit 43d ago

Works with most clients

Transport: stdio, http

6 tools · ~315 tok

Grade A · 0.2% of 200K ctx

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Developer Tools Education

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

CD

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-labarilem-brainfaq-mcp": {
      "args": [
        "-y",
        "brainfaq-mcp"
      ],
      "command": "npx"
    }
  }
}

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MCPpedia Score badge

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Read me

What MCP server for the BrainFuck programming language does

MCP server for the Brainfuck programming language that allows your favourite LLM to debug Brainfuck programs.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'brainfaq-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

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Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

80/100across 5 weighted dimensions

How we score →

0255075100

28

20

15

10

−20

Security

Maintenance

Efficiency

Documentation

Compatibility

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Security

OSV.dev

No known CVEs.

Checked brainfaq-mcp against OSV.dev.

Inventory

Tools (6)

Click any tool to inspect its schema.

~315 tokens total

Community

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Frequently Asked Questions

Is MCP server for the BrainFuck programming language safe to use?: MCP server for the BrainFuck programming language has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install MCP server for the BrainFuck programming language?: MCP server for the BrainFuck programming language supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can MCP server for the BrainFuck programming language do?: MCP server for the BrainFuck programming language provides 6 tools: load_code, step, run, add_input, get_state and 1 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with MCP server for the BrainFuck programming language?: MCP server for the BrainFuck programming language is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is MCP server for the BrainFuck programming language actively maintained?: MCP server for the BrainFuck programming language is recently maintained — last commit was 43 days ago.

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README

brainfaq-mcp

MCP server for the Brainfuck programming language that allows your favourite LLM to debug Brainfuck programs.

Usage

Use this command to run the MCP server:

npx brainfaq-mcp

To use it in VS Code, add the following JSON snippet to .vscode/mcp.json (create the file if you don't have it):

{
  "servers": {
    "brainfaq-mcp": {
      "command": "npx",
      "args": ["brainfaq-mcp"]
    }
  }
}

The MCP can be added to other IDEs with LLM agents support (e.g. Cursor) in similar ways. Check their documentation and configure them to run npx brainfaq-mcp. It will start the MCP server in stdio mode.

Features

MCP Tools

load_code - Reset the debugger and load new Brainfuck source code. Supports configurable tape size, min/max cell values, and initial input.
step - Execute a specified number of instructions (default 1) with detailed state output.
run - Run the program until it finishes or waits for input, with optional instruction limit.
add_input - Append characters to the input buffer when the program is waiting for input.
get_state - Get the current interpreter state (memory, pointers, output) with optional windowing.
read_output - Get the complete output string generated so far.

Capabilities

Full Brainfuck support (8 operations: >, <, +, -, ., ,, [, ])
Overflow/underflow detection with configurable value limits
Bracket matching validation and loop control
Step-by-step execution and debugging
Memory protection with configurable tape size

Development

Setup:

npm i

Build:

npm run build

Tests:

npm run test

Tests are inspired by the Brainfuck test suite by Daniel Cristofani.

Release

Build first the source code using the command above.

Login to NPM:

npm login

Publish to NPM:

npm publish

License

All work in this repos is licensed under "Creative Commons Attribution-ShareAlike 4.0 International License".