# CTFd

> Use this tool when you need to manage and interact with Capture The Flag (CTF) platforms for cybersecurity competitions and training, solving problems such as secure authentication and dynamic instance management. It provides inputs for authentication methods and outputs for challenge descriptions, files, and flag submissions, with a flexible interface supporting multiple container backends. This tool is ideal for use in cybersecurity training and competition environments where dynamic and secure CTF management is required.

Canonical page: https://skillsregistry.net/skills/umbra2728-ctfd  
JSON: https://api.skillsregistry.net/v1/skills/umbra2728-ctfd

## Description

Provides access to CTFd (Capture The Flag) platforms for cybersecurity competitions and training. This Python implementation supports multiple authentication methods (API tokens, session cookies, username/password) and handles various dynamic container backends including ctfd-whale, ctfd-owl, and Kubernetes-based deployments. The server enables browsing challenges, retrieving detailed descriptions and files, submitting flags, and managing dynamic instances across different CTFd plugin ecosystems.

## Trust

- **Trust score (0–1):** 0.94
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** cloud-infra
- **Updated:** 2026-09-19

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/umbra2728-ctfd)
- **Repository:** <https://github.com/umbra2728/ctfd-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "umbra2728-ctfd"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/umbra2728-ctfd` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/umbra2728-ctfd/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt