MCP Server Directory

Serper io.github.pipeworx-io/serper

Serper MCP — wraps the Serper Google Search API (serper.dev)

Rawg io.github.pipeworx-io/rawg

RAWG MCP — wraps the RAWG video games database API (rawg.io)

Polymarket io.github.pipeworx-io/polymarket

Polymarket MCP — prediction-market data via Gamma + CLOB public APIs.

Phoenix Number io.github.pipeworx-io/phoenix-number

phoenix-number MCP — wraps StupidAPIs (requires X-API-Key)

Password io.github.pipeworx-io/password

Password strength analysis MCP.

TablaCognita io.github.PStryder/tablacognita

MCP-native collaborative markdown editor with real-time AI document editing

Cron Parser API io.github.Br0ski777/cron-parser

Parse, validate and explain cron expressions. Get next run times. x402 micropayment.

Owid io.github.pipeworx-io/owid

OWID MCP — Our World in Data chart/indicator access (free, no auth)

Owasp io.github.pipeworx-io/owasp

OWASP MCP — keyless.

calculator-mcp-server io.github.cyanheads/calculator-mcp-server

Evaluate, simplify, and differentiate mathematical expressions.

Overheid Nl io.github.pipeworx-io/overheid-nl

data.overheid.nl MCP — the Netherlands national open-data portal (CKAN API).

Outlook Mail io.github.pipeworx-io/outlook-mail

Outlook Mail (Microsoft 365) MCP Pack

Outlook Calendar io.github.pipeworx-io/outlook-calendar

Outlook Calendar MCP Pack

Opentopography io.github.pipeworx-io/opentopography

OpenTopography global DEM rasters + point queries (free key)

Openstates io.github.pipeworx-io/openstates

OpenStates MCP — bills, legislators, votes in all 50 US states

Oqmd io.github.pipeworx-io/oqmd

OQMD (Open Quantum Materials Database) MCP.

EPA data: ECHO facility compliance, TRI releases, Superfund, drinking water, and AirNow air quality.

Osrm io.github.pipeworx-io/osrm

OSRM MCP — routing via the public demo server

MCP server exposing a DICOMweb DICOM archive to AI assistants via QIDO-RS and WADO-RS.

Paleobiodb io.github.pipeworx-io/paleobiodb

Paleobiology Database (PBDB) MCP — the global fossil record. Keyless.

Osv io.github.pipeworx-io/osv

OSV.dev (Open Source Vulnerabilities) MCP.

fcc-broadband-mcp-server io.github.cyanheads/fcc-broadband-mcp-server

FCC broadband availability, coverage analysis, and digital divide data for US geographies.

Real-time US-equity quotes, company fundamentals, earnings, analyst trends, and news via Finnhub.

Structured git operations (status, log, diff, branch, show) as typed JSON.