CTFd

Verified Integration

Author: @MrJamescot•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect CTFd to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "ctfd": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-ctfd"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Provides an API layer to link AI agents and automation with CTFd instances for challenge retrieval and flag submission.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for CTFd

It's an API layer that connects AI agents and automation tools with CTFd instances, enabling programmatic interaction for CTF challenges and flag submissions.

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