"OpenRouter thinking or reasoning capabilities" matching MCP servers:

A read-only reference server for 303 curated generative art algorithms implemented in Python (py5), spanning physics, fractals, cellular automata, shaders, and more. Agents can search by keyword, visual mood (ethereal, chaotic, crystalline…), or multi-layer artistic intent to discover algorithms, read structured summaries, and fetch bounded source snippets.

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

Enables searching and retrieving classical music works, scores, and recordings from IMSLP via natural language, without requiring an API key or account. It respects IMSLP's crawl policies and reports copyright status per jurisdiction.

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 AI agents to cast deterministic BaZi, Zi Wei Dou Shu, and Western astrology natal charts from birth details, with no setup or API key.

MCP server for 34 embeddable pixel-art digital fireplaces. Enables listing fireplace styles, retrieving HTML/embed codes, and getting recommendations based on mood or tags.

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.

An MCP server for the Library of Congress that enables searching scanned American newspaper pages, searching catalogue items by media type, reading individual records, and listing digital collections, all without requiring an API key or account.

MCP server for computing BaZi (Four Pillars) charts. Supports Gregorian, lunar, or direct Four Pillars input, with optional true solar time correction, and outputs strength, pattern, and useful god.

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.

Enables access to Artsonia student-art portfolios, comments, and fan interactions so users can browse artwork, post comments, invite fans, adjust notification settings, and download images. Every write operation is gated behind a confirmation prompt or a two-step preview-and-token flow.

A powerful Model Context Protocol (MCP) server for scraping Behance.net. Extract projects, user profiles, images, and job listings from Behance's creative community without any API keys or subscriptions.

Enables language models to generate fun ASCII art featuring cows and other characters saying or thinking custom messages. Provides access to various cow characters including dragons, penguins, and skeletons for creative text art generation.

Provides access to Brian Eno and Peter Schmidt's Oblique Strategies card deck to help users overcome creative blocks through lateral thinking. It enables searching and retrieving random prompts from various editions, including collections adapted specifically for programmers.

Search and retrieve Devanagari Hindi shayari from an owner-authorized, provenance-tracked corpus, with audit and research-only inspection capabilities via stdio.

Provides tarot card reading capabilities with a complete 78-card deck, multiple spread layouts (Celtic Cross, Past-Present-Future, etc.), and detailed card interpretations for divination and daily guidance.

Enables AI assistants to access Venice AI's capabilities including chat with open-source models, image generation, text-to-speech, embeddings, and API key management.

Production-ready Model Context Protocol (MCP) server for the Unsplash API — search photos, fetch details, and stay compliant with Unsplash attribution & download-tracking guidelines. Unofficial; not affiliated with or endorsed by Unsplash.

Provides programmatic access to the Directmedia Publishing 'Digitale Bibliothek' collection, a 1990s German electronic book library containing 101 volumes of classic literature and philosophy with text extraction, search, and navigation capabilities.

Provides tools to fetch IIIF manifests and retrieve specific image regions or scaled images for analysis. This server enables detailed interaction with International Image Interoperability Framework resources, supporting tasks like image description and transcription.