MCP Server Directory

Open Sanctions io.github.pipeworx-io/open-sanctions

OpenSanctions MCP — Global sanctions and PEP data (free, no auth required)

Multi-workspace Slack MCP server with draft+confirm safety, vault auto-export, and triple-mode…

openalex io.github.pipeworx-io/openalex

OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

Openaq io.github.pipeworx-io/openaq

OpenAQ MCP — wraps OpenAQ v2 API (free, no auth required)

FastMCP server for bidirectional sync between personal and team Obsidian vaults.

Openbeautyfacts io.github.pipeworx-io/openbeautyfacts

Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).

Openfda io.github.pipeworx-io/openfda

OpenFDA MCP — wraps the openFDA API (free, no auth required)

Opensky io.github.pipeworx-io/opensky

OpenSky MCP — OpenSky Network API (free, no auth for anonymous access)

CorpusIQ io.corpusiq/multi-source-mcp

Authenticated, user-scoped MCP connectors for 30+ business systems.

Security scanning and trust verification for AI agent tools.

poetry io.github.pipeworx-io/poetry

Poetry MCP — PoetryDB API (free, no auth)

Self-hostable agentic-AI LMS: catalog, RAG tutor, FSRS reviews, AI authoring, ingest.

pokemon io.github.pipeworx-io/pokemon

Pokemon MCP — wraps PokéAPI (free, no auth required)

postcodes io.github.pipeworx-io/postcodes

Postcodes MCP — wraps postcodes.io UK postcode API (free, no auth)

Security proxy that wraps MCP servers with real-time monitoring and policy enforcement

Propublica Nonprofit io.github.pipeworx-io/propublica-nonprofit

ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)

Pubmed io.github.pipeworx-io/pubmed

PubMed MCP — wraps the NCBI E-utilities API (biomedical literature, free, no auth)

Pypi io.github.pipeworx-io/pypi

PyPI MCP — wraps the Python Package Index (PyPI) JSON API (free, no auth).

Security scanner for AI Agent skills, plugins, and MCP servers with A-F grading.

qrcode io.github.pipeworx-io/qrcode

QR Code MCP — wraps api.qrserver.com (free, no auth)

Quotable io.github.pipeworx-io/quotable

Quotable MCP — wraps Quotable API (free, no auth)

Quotes io.github.pipeworx-io/quotes

Quotes MCP — citation-grade quote API for public-domain authors.

Render music notation (SVG/MusicXML/MIDI), analyze, search music theory. Free, no auth, no GUI.

Android Security Analyzer io.github.ako2345/android-security-analyzer

MCP server for static security analysis of Android source code