CTFtime MCP Server

A Model Context Protocol (MCP) server providing programmatic access to CTFtime.org data. Retrieve information about CTF competitions, team rankings, event details, and competition results through a standardized interface.

Features

Tools

| Tool | Description | |------|-------------| | get_upcoming_ctfs | Retrieve upcoming CTF events with configurable time range | | get_past_ctfs | Retrieve historical CTF events | | get_event_details | Get comprehensive information about a specific event | | get_top_teams | Query global CTF team rankings | | get_top_teams_by_country | Query regional team rankings by country code | | get_team_info | Retrieve detailed team information and statistics | | get_event_results | Access competition results and scores | | search_events | Search events by name, description, or organizer | | get_ctf_calendar | View monthly calendar of CTF events |

Prompts

| Prompt | Description | |--------|-------------| | analyze_ctf_event | Generate analysis for a specific CTF event | | find_beginner_ctfs | Identify beginner-friendly competitions | | team_performance_analysis | Analyze team performance metrics | | weekly_ctf_briefing | Generate weekly competition summary | | country_ctf_scene | Analyze regional CTF community |

Resources

| Resource URI | Description | |--------------|-------------| | ctftime://info | Server and platform documentation | | ctftime://formats | CTF competition format reference | | ctftime://categories | Challenge category documentation |

Installation

Prerequisites

Python 3.13 or higher
uv (recommended) or pip

Using uv (Recommended)

git clone https://github.com/0x-Professor/CTF-time-mcp.git
cd ctf-times-mcp
uv sync

Using pip

git clone https://github.com/yourusername/ctf-times-mcp.git
cd ctf-times-mcp
pip install -e .

Usage

Running the Server

# Using uv
uv run server.py

# Using Python directly
python server.py

Development Mode

# Launch with MCP Inspector for testing
uv run mcp dev server.py

Client Configuration

To add the CTFtime MCP server to Claude Desktop, run this command:

uv run mcp install server.py --name "CTFtime"

Claude Desktop

Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "ctftime": {
      "command": "uv",
      "args": ["run", "--directory", "/path/to/ctf-times-mcp", "server.py"]
    }
  }
}

VS Code with Continue

Add to your Continue configuration:

{
  "mcpServers": [
    {
      "name": "ctftime",
      "command": "uv",
      "args": ["run", "server.py"],
      "cwd": "/path/to/ctf-times-mcp"
    }
  ]
}

Example Queries

Once connected to an MCP-compatible client:

"List upcoming CTF competitions for the next two weeks"
"Get details for CTF event ID 2345"
"Show the top 20 CTF teams globally"
"Find CTF teams from Germany"
"Search for CTF events related to DEF CON"
"Display the CTF calendar for March 2026"

API Reference

This server interfaces with the CTFtime.org API.

Endpoints Used

| Endpoint | Purpose | |----------|---------| | /api/v1/events/ | Event listing with date filters | | /api/v1/events/{id}/ | Individual event details | | /api/v1/top/ | Global team rankings | | /api/v1/top/{year}/ | Year-specific rankings | | /api/v1/top-by-country/{code}/ | Country-specific rankings | | /api/v1/teams/{id}/ | Team information | | /api/v1/results/ | Competition results |

Rate Limiting

The CTFtime.org API is provided for data analysis and application development. Implement appropriate request throttling to respect server resources.

Competition Formats

| Format | Description | Skill Level | |--------|-------------|-------------| | Jeopardy | Category-based challenges (Web, Crypto, Pwn, Rev, Forensics) | All levels | | Attack-Defense | Real-time offensive and defensive operations | Advanced | | Mixed | Combination of Jeopardy and Attack-Defense | Intermediate+ | | Hack Quest | Narrative-driven progressive challenges | Learning |

Challenge Categories

| Category | Focus Area | |----------|------------| | Web | Web application security vulnerabilities | | Crypto | Cryptographic analysis and exploitation | | Pwn | Binary exploitation and memory corruption | | Reverse | Static and dynamic binary analysis | | Forensics | Digital artifact investigation | | OSINT | Open source intelligence gathering | | Misc | Programming, trivia, unconventional challenges |

Project Structure

ctf-times-mcp/
├── server.py          # MCP server implementation
├── pyproject.toml     # Project configuration and dependencies
└── README.md          # Documentation

Development

Testing

# Run with MCP Inspector
uv run mcp dev server.py

# Execute tests
uv run pytest

Code Style

This project follows PEP 8 conventions with type annotations throughout.

Contributing

Fork the repository
Create a feature branch (git checkout -b feature/enhancement)
Commit changes (git commit -m 'Add enhancement')
Push to branch (git push origin feature/enhancement)
Open a Pull Request

License

This project is licensed under the MIT License. See LICENSE for details.

Acknowledgments

CTFtime.org - Competition tracking platform and API
Model Context Protocol - Protocol specification
MCP Python SDK - Server implementation framework

Disclaimer

This is an independent project and is not affiliated with or endorsed by CTFtime.org. Please review and comply with CTFtime.org's terms of service and API usage guidelines.

MCP Servers