CTFd FAQs

Question 1

What is CTFd MCP Server?

Accepted Answer

CTFd MCP Server is a lightweight Model Context Protocol (MCP) server that acts as a bridge, enabling AI tools and automation to interact programmatically with any CTFd instance for challenge management and flag submission.

Question 2

Which AI tools are compatible with CTFd MCP Server?

Accepted Answer

It is specifically designed for compatibility with popular MCP-based AI tools, including Claude Desktop, OpenAI Codex CLI, Amp, and Gemini CLI, allowing seamless integration into your AI workflows.

Question 3

How can I authenticate with a CTFd instance using this server?

Accepted Answer

The server supports multiple robust authentication methods: API tokens, session cookies, and traditional username/password login, providing flexible and secure access to your CTFd instance.

Question 4

What programmatic actions can I perform on CTFd with this tool?

Accepted Answer

You can programmatically list challenges (with optional filtering), retrieve specific challenge details, submit flags, access scoreboard information, check current user progress, and dynamically configure the CTFd instance BASE_URL.

Question 5

Is CTFd MCP Server easy to set up?

Accepted Answer

Yes, it offers convenient setup options including `npx` (no installation required), global installation via pnpm, running from source, and Docker, with detailed configuration guides for various AI clients like Claude Desktop and OpenAI Codex CLI.

CTFd

CTFd

Key Features

Use Cases

Key Features

Use Cases