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

An oracle for machines that need to think sideways. Feed it a creative problem; it returns something you can't quite explain but can't stop using. Three free consultations.

Provides access to a cited knowledge graph on football's Laws of the Game and major competitions, with tools for search, question answering, and entity exploration, returning claims with sources and confidence.

Calculates saju (four pillars) for a given birth year, month, day, hour, minute, and gender. Returns a compact or markdown string with the results using the ssaju engine.

Calculates and returns a Ziwei Doushu (Purple Star Astrology) chart based on birth date, time, and gender. Returns both structured text of the 12 palaces and a PNG image of the chart.

Checks and returns the itme

MCP Server for the Marvel Developer API, enabling interaction with characters and comics data.

Provides access to Jewish texts from the Sefaria library. This server enables Large Language Models to retrieve and reference Jewish texts through a standardized interface.

Enables Large Language Models to retrieve Jewish texts and commentaries from the Sefaria library through a standardized interface.

Integrates I Ching divination with AI responses, allowing users to receive guidance through traditional Chinese philosophy using the bibliomantic approach described in Philip K. Dick's work.

MCP server to interact with Quran.com corpus via the official REST API v4.

Enables AI agents to fully interact with the Civitai platform, including browsing models, images, and creators; posting, reacting, reviewing, following, collecting, writing articles and comments; sending DMs; and managing bounties and announcements.

Enables querying the Verified Human Cert registry to verify human-made music certifications by ISRC, artist, track, or cert number.

Allows you to search for artworks, retrieve detailed information about specific artworks, access image tiles for artworks, and explore user-created collections from the Rijksmuseum.

The MCP server for Divine API's Indian Astrology services, allowing AI assistants to query Vedic astrology data such as Panchang, Kundli, and matchmaking through natural language.

Enables LLMs to access and search Jewish texts from the Sefaria library through 15 MCP tools, including text retrieval, search, and manuscript access.

MCP server for querying the Victoria and Albert Museum (V\&A) collections via natural language or direct tool calls.

A read-only MCP server for the Islam West Africa Collection (IWAC) digital archive, providing 37 tools to search and analyze newspaper articles, publications, references, and more.

Read-only MCP server for the National Parliamentary Library of Georgia's Iverieli repository, enabling search, metadata retrieval, PDF downloads, and rendering of historical newspaper pages as JPEGs and tiles.

Provides precise Chinese metaphysics chart calculation (Bazi, Ziwei, Qimen) with true solar time correction, outputting structured JSON and Markdown for AI integration.

Enables searching and exploring millions of items from the Smithsonian Institution's collections including artifacts, artworks, specimens, photographs, and more, using the Smithsonian Open Access API.