"Automatic Data Visualization Tool (No API Key Required)" matching MCP servers:

Every other colour API tells you what goes together. Colour Memory tells you what it means, where the evidence ends, and what it must not claim. 47,515 hand-researched records, graded A–E, every result cited. 91 specialist tools built for agents that need precision, not guesses. Direct MCP: https://api.colourmemory.com/mcp — no signup, no key for the free tools (10 calls).

Comparative mythology as citable data — Greek, Roman, Norse and Egyptian gods and primary sources.

An MCP server that enables AI assistants to search and retrieve anime figure data, collections, lists, and clubs from MyFigureCollection.net, including partner listings and barcode lookup.

Enables AI assistants to access South Korean tourism information via the official Korea Tourism Organization API, providing comprehensive search for attractions, events, food, and accommodations with multilingual support.

Enables AI agents to access and interact with the Sefaria database of Jewish texts, including retrieval, search, and related content.

Japanese calendar API for AI agents. Provides Rokuyo, Rekichu, Eto, 24 Solar Terms, and fortune judgments. MCP + REST API.

A server that enables AI models to access Kakao Map features (place search, address lookup, route finding) and Daum search services (web, image, blog, cafe) through Model Context Protocol.

OAuth-protected FastMCP server exposing eight read-only public APIs (currency, weather, art, pets, dictionary, random images, vehicles) via MCP tools, with optional Gemini LLM-based routing for query selection.

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.

An API that exposes Unsplash image search, listing, and random photo capabilities as MCP tools, enabling AI models like Claude to directly interact with Unsplash's services.

A Model-Client-Protocol server that enables users to search the Gallica digital library of the National Library of France and generate structured sequential research reports with formatted citations and relevant images.

Enables searching documents in Gallica, the digital library of the Bibliothèque nationale de France, and generating structured research reports with citations and images.

MCP server for lyrics.com that enables searching songs by lyrics or title and retrieving full lyrics, with no API key required.

An MCP server for the Internet Archive that enables searching the full text of digitized books, browsing the catalogue, and reading Wayback Machine captures. No API key or configuration required.

Enables full-text search of the Media History Digital Library's digitized entertainment trade press (e.g., Variety, Billboard), returning leaf-level results with keyword-in-context excerpts, no API key required.

Provides keyless access to Romanian public economic and cultural data, including exchange rates, company/VAT lookups, open datasets, official statistics, seismic-risk building records, and classified cultural heritage.

MCP server for Anime News Network, enabling search of anime and manga encyclopedia entries, retrieval of details like cast, staff, and episodes, and access to news feeds. No API key or configuration required.

MCP server providing access to Swiss cultural heritage data including ISOS townscapes, Living Traditions, cultural prizes, and press releases from the Federal Office of Culture, with no API key required.

Music For Robots catalog — browse and search AI-generated real-time music reviews. Two critics (Vincent Van Goghbot, JS Robach) listen to original compositions and respond with timed observations synchronized to the audio. Query tracks, spectral/harmonic analysis, and full prose reviews.

Read Kaucim public reference sources and citation limits, product facts, published articles in Chinese, English, Thai and Japanese, and known Wong Tai Sin stick numbers. No API key is required; results include source URLs and retrieval times.