"Capture The Flag (CTF) cybersecurity competitions and challenges" matching MCP servers:

A vulnerable MCP server designed for educational CTF challenges. It demonstrates various MCP security vulnerabilities in a controlled environment.

Enables structured learning with a verified loop: define goals as observable claims, learn through teach-lab-test-gate per claim, and get independently graded by an adversarial examiner to ensure genuine progress.

An MCP server that exposes Prof. Null, an uncensored cybersecurity professor, as a set of specialized tools for learning hacking, CTFs, and security concepts through Q\&A, roadmaps, cheatsheets, labs, and more.

Enables MCP clients to search and retrieve product management articles, talks, podcasts, related content, live events, and job listings from Mind the Product through read-only tools and resources.

Enables controlling a game character, drawing on a canvas, and running chemistry experiments via natural language commands to Claude.

Provides comprehensive word definitions, pronunciations, meanings, and examples for any English word using the Free Dictionary API. Includes a random word-of-the-day feature with difficulty levels for vocabulary building.

A set of tools enabling AI agents to interact with Canvas LMS, allowing users to find relevant resources, get course information, and navigate modules through natural language queries.

Connects Claude Desktop to Canvas LMS to monitor academic activities like assignments, announcements, and upcoming deadlines. It enables users to track courses and pending tasks through a unified interface using the Canvas REST API.

Enables AI agents to act as career counselors for Vietnamese workers by querying verified occupation and research data, analyzing transitions, and co-creating action plans that require human approval before any changes are saved.

Enables AI agents to operate a local study lab by rolling one-time topics, choosing a card, and completing it with proof, while managing syllabi and progress locally.

A deliberately insecure MCP server for practicing penetration testing, featuring 26 challenges at three difficulty levels with flags to capture, covering vulnerabilities like RCE, SSRF, SQLi, and more.

A server for querying, practicing, and analyzing exam questions from Taiwan's national examinations, offering 20 tools including search, statute lookup, weak topic review, and readiness assessment.

Enables bidirectional lookup of Mi'kmaq and English words with definitions and examples, and provides tools for learning and dictionary statistics, integrating seamlessly with AI-powered IDEs.

Provides secure access to Exegol penetration testing tools for CTF competitions and red team learning. Enables AI assistants to perform web penetration testing, network reconnaissance, password cracking, OSINT analysis, and more for educational purposes.

This MCP server enables interaction with the Punjab State Board of Technical Education and Industrial Training API, allowing access to technical education services and information through natural language.

A Model Context Protocol (MCP) server that provides AI assistants with secure, authenticated access to SpeechWire tournament data for speech-and-debate competitions.

MCP server for ChaosLimba — provides read-only access to the Romanian language learning platform's database via the Model Context Protocol.

A Model Context Protocol server that enables Claude and other AI assistants to generate personalized, contextually-relevant coding challenges in JavaScript, TypeScript, HTML, and CSS.

An intentionally vulnerable MCP server for security training, simulating a fictional company with 28 vulnerable tools and 38 challenges to learn AI agent attack and defense.

Enables interaction with Hack The Box App services including machines, challenges, sherlocks, and more through the HTB API v4.