CTFd for Claude Code

io.github.mrjamescot/ctfd-mcp-server

MCP server for CTFd v3: list challenges, submit flags, and query scoreboards via AI agents.

client:Claude Code transport:stdio runtime:pypi

Install CTFd in Claude Code

run in your project directory

claude mcp add ctfd-mcp-server -e CTFD_BASE_URL=<CTFD_BASE_URL> -e CTFD_ADMIN_TOKEN=<CTFD_ADMIN_TOKEN> -e CTFD_SESSION_COOKIE=<CTFD_SESSION_COOKIE> -e CTFD_USERNAME=<CTFD_USERNAME> -e CTFD_PASSWORD=<CTFD_PASSWORD> -e CTFD_HTTP_TIMEOUT=<CTFD_HTTP_TIMEOUT> -- uvx ctfd-mcp-server

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

CTFd in other clients

Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
LangChain

CTFd MCP server