"Sketch" matching MCP servers:

Connects Claude to Sketch Engine for corpus linguistics and text analysis, enabling queries on collocations, concordances, word usage, and more via natural language.

MCP server for analyzing transformer language model internals, exposing tools to trace attention heads and neurons responsible for predictions, get activation statistics, ablate components, and sketch circuits.

An MCP server that provides computed planetary positions using the Swiss Ephemeris engine, validated against JPL Horizons to under one arcsecond. It enables AI assistants to answer astrology and astronomy questions with real, never-guessed data.

An MCP server that helps digital product creators go from idea to a zipped, listing-ready product — including market research, product generation, SEO, listing copy, pricing, and Gumroad/Etsy preparation.