MCP Server Directory

uooks io.github.pipeworx-io/books

Books MCP — wraps Open Library API (free, no auth)

catfacts io.github.pipeworx-io/catfacts

Cat Facts MCP — wraps Cat Facts API (free, no auth)

chucknorris io.github.pipeworx-io/chucknorris

Chuck Norris MCP — wraps chucknorris.io (free, no auth)

Scan any codebase, generate CONVENTIONS.md, expose conventions as MCP tools for AI agents.

Codewars io.github.pipeworx-io/codewars

Codewars user profiles, completed kata, authored kata, kata detail. Keyless.

deckofcards io.github.pipeworx-io/deckofcards

Deck of Cards MCP — wraps deckofcardsapi.com (free, no auth)

Abnormal Security email threats, cases, and reporting in your terminal and your AI agents.

data-enrichment dev.hatchloop/data-enrichment

Free B2B data enrichment: company lookup, email validation, email patterns, domain info. Zero auth.

11-scanner SAST/DAST MCP server with closed-loop remediation, SBOM/SARIF, and CI integrations

dnd5e io.github.pipeworx-io/dnd5e

D&D 5e MCP — wraps the D&D 5th Edition API (free, no auth)

dogsapi io.github.pipeworx-io/dogsapi

DogsAPI MCP — wraps dogapi.dog v2 API (free, no auth)

Epa Emissions io.github.pipeworx-io/epa-emissions

EPA Emissions MCP — wraps EPA Envirofacts REST API (free, no auth)

Zephex io.github.Tanbir404/zephex

MCP gateway with 10 tools for code analysis, architecture, package audit & security.

guif io.github.pipeworx-io/gbif

GBIF MCP — wraps the Global Biodiversity Information Facility API v1 (free, no auth)

SqueezeOS — Institutional AI Market Intelligence io.github.Timwal78/squeezeos

Institutional AI market intelligence: squeeze scanner, options flow, council verdicts. x402 RLUSD.

MetaMask Embedded Wallets (Web3Auth) MCP io.github.Web3Auth/mcp-server

Helps AI coding agents integrate MetaMask Embedded Wallets (Web3Auth) SDKs.

Electron.js MCP server — IPC scaffolding, security auditing, build tooling for AI assistants

mathjs io.github.pipeworx-io/mathjs

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

newton io.github.pipeworx-io/newton

Newton MCP — wraps the Newton math solver API (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)

MiniURL io.github.addychang/miniurl

OAuth 2.1 short-link tools for AI agents with scoped tokens, approvals, audit logs, and revocation.

nutrition io.github.pipeworx-io/nutrition

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

onthisday io.github.pipeworx-io/onthisday

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