C

CTFd

MCP server · by MrJamescot

Developer Tools Python v1.0.4

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

View source ↗ More servers

Install

Run one of the commands below, then add the client config underneath.

Pythonuvx ctfd-mcp-server

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "ctfd-mcp-server": {
      "command": "uvx",
      "args": [
        "ctfd-mcp-server"
      ]
    }
  }
}

About this server

CTFd is listed in the Developer Tools category of the MCPNav directory. It is distributed as Python and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the CTFd MCP server?

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

How do I install CTFd?

Install it with: uvx ctfd-mcp-server. Then add the JSON config to your client's MCP settings and restart the client.

Is CTFd free to use?

The MCP server itself is free to install. The source is public on https://github.com/MrJamescot/ctfd-mcp-server. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support CTFd?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.