MCP Server Directory

Linear io.github.pipeworx-io/linear

Linear MCP — wraps the Linear GraphQL API (OAuth)

lorem io.github.pipeworx-io/lorem

Lorem MCP — wraps loripsum.net (free, no auth)

marine io.github.pipeworx-io/marine

Marine MCP — wraps marine-api.open-meteo.com (free, no auth)

Market Spread io.github.pipeworx-io/market-spread

market-spread MCP — cross-venue prediction-market landscape scanner.

Mastodon io.github.pipeworx-io/mastodon

Mastodon MCP — public Mastodon data via mastodon.social (no auth required)

mathjs io.github.pipeworx-io/mathjs

Math.js MCP — wraps the mathjs.org API (free, no auth)

Meteostat io.github.pipeworx-io/meteostat

Meteostat MCP — historical weather from 11k+ stations (no auth)

mhw io.github.pipeworx-io/mhw

MHW MCP — Monster Hunter World data (mhw-db.com, free, no auth)

microlink io.github.pipeworx-io/microlink

Microlink MCP — wraps Microlink API (free tier, no auth required)

musicurainz io.github.pipeworx-io/musicbrainz

MusicBrainz MCP — wraps MusicBrainz Web Service v2 (free, no auth)

nationalize io.github.pipeworx-io/nationalize

Nationalize MCP — nationality prediction from first name (nationalize.io, free, no auth)

newton io.github.pipeworx-io/newton

Newton MCP — wraps the Newton math solver API (free, no auth)

Nhtsa io.github.pipeworx-io/nhtsa

NHTSA MCP — wraps the NHTSA vPIC (Vehicle Product Information Catalog) API (free, no auth)

Encrypted secrets vault for AI agents — secrets resolved at runtime, never seen by LLMs.

Nih Reporter io.github.pipeworx-io/nih-reporter

NIH RePORTER MCP — every NIH-funded research project (free, no auth)

nouel io.github.pipeworx-io/nobel

Nobel MCP — wraps the Nobel Prize API v2 (free, no auth)

nominatim io.github.pipeworx-io/nominatim

Nominatim MCP — wraps OpenStreetMap Nominatim geocoding API (free, no auth)

npm io.github.pipeworx-io/npm

npm MCP — wraps the npm Registry API (free, no auth)

numuersapi io.github.pipeworx-io/numbersapi

NumbersAPI MCP — wraps numbersapi.com (free, no auth)

nutrition io.github.pipeworx-io/nutrition

Nutrition MCP — wraps Open Food Facts API (free, no auth)

Xavio Merchant in.xavio/merchant

Authenticated MCP for Xavio merchants: stories, products, schedules.

Nws io.github.pipeworx-io/nws

NWS MCP — US National Weather Service (no auth)

onthisday io.github.pipeworx-io/onthisday

On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

Self-hosted GitHub MCP server. PAT auth, stdio transport, transport-agnostic so it works with…