MCP Server Directory

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

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

Horoscope io.github.pipeworx-io/horoscope

Horoscope MCP — wraps the keyless Horoscope App API.

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

Evaluate, simplify, and differentiate mathematical expressions.

Housing Intel io.github.pipeworx-io/housing-intel

Housing Intel MCP — Meta-pack that chains FRED, BLS, ATTOM, and HUD APIs

Hongkong Procurement io.github.pipeworx-io/hongkong-procurement

Hong Kong Government Procurement MCP — GLD 'Contracts Awarded' (keyless).

Homebrew Formulae io.github.pipeworx-io/homebrew-formulae

Homebrew formulae + casks + install analytics (formulae.brew.sh)

Hpo Api io.github.pipeworx-io/hpo-api

Human Phenotype Ontology — clinical phenotype terms + gene/disease annotations

holidays io.github.pipeworx-io/holidays

Holidays MCP — wraps Nager.Date API (free, no auth)

Hkma Hk io.github.pipeworx-io/hkma-hk

Hong Kong Monetary Authority (HKMA) public open API MCP. Keyless.

Hash io.github.pipeworx-io/hash

Cryptographic hash & HMAC MCP.

Hal Fr io.github.pipeworx-io/hal-fr

HAL — French national open research archive

hackernews io.github.pipeworx-io/hackernews

Hacker News MCP — search and retrieve stories from Hacker News

Hathitrust io.github.pipeworx-io/hathitrust

HathiTrust Bibliographic API MCP.

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

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

Httpbin io.github.pipeworx-io/httpbin

httpbin echo: GET/POST inspection, status codes, delay, UUID, base64. Debug aid.

Health Feeds io.github.pipeworx-io/health-feeds

Health Feeds MCP.

gutendex io.github.pipeworx-io/gutendex

Gutendex MCP — wraps Gutendex API for Project Gutenberg books (free, no auth)

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

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

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

Gsa Auctions io.github.pipeworx-io/gsa-auctions

GSA Auctions API MCP — US federal government surplus auctions (keyed).

Gov Auctions io.github.pipeworx-io/gov-auctions

Government Auctions MCP — physical-asset auctions (surplus, seized, forfeited,

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

Goproxy io.github.pipeworx-io/goproxy

Go module proxy — module info, versions, go.mod