MCP Server Directory

poetry io.github.pipeworx-io/poetry

Poetry MCP — PoetryDB API (free, no auth)

MCP server for GitHub operations (PRs, issues, actions) with structured, token-efficient output

Self-hosted MCP to find, book, and cancel salon appointments via SalonRunner.

Pride io.github.pipeworx-io/pride

EBI PRIDE Archive MCP — proteomics (mass-spectrometry) data repository.

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

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

MCP server and CLI that catches CSS cascade conflicts and Tailwind utility clashes before they ship.

Protein Atlas io.github.pipeworx-io/protein-atlas

Human Protein Atlas (HPA) MCP — keyless.

nonprofit-explorer-mcp-server io.github.cyanheads/nonprofit-explorer-mcp-server

MCP server for nonprofit financials via ProPublica — IRS Form 990 data for 1.8M+ nonprofits.

Query Polymarket prediction markets via The Graph — 20 tools, 8 subgraphs

npi-providers-mcp-server io.github.cyanheads/npi-providers-mcp-server

Search NPPES providers and resolve NUCC specialty codes via MCP over STDIO or Streamable HTTP.

Rdap io.github.pipeworx-io/rdap

RDAP — Registration Data Access Protocol (domains, IPs, ASNs) via IANA bootstrap

MCP server for Make/Just task runners with structured, token-efficient output

Reddit io.github.pipeworx-io/reddit

Reddit MCP — public Reddit data via JSON endpoints (no auth required)

open-meteo-mcp-server io.github.cyanheads/open-meteo-mcp-server

Global weather via Open-Meteo: forecast, ERA5 archive, marine, air quality, geocoding, elevation.

Retractions io.github.pipeworx-io/retractions

Retractions / research-integrity MCP.

Rfc Editor io.github.pipeworx-io/rfc-editor

RFC Editor MCP.

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

Find EV charging stations, detail, and reliability check-ins via the global Open Charge Map.

Rick And Morty io.github.pipeworx-io/rick-and-morty

Rick and Morty MCP — wraps the Rick and Morty API (free, no auth)

PayRam Helper MCP Server io.github.PayRam/payram-helper-mcp

Remote MCP server to integrate and validate self-hosted PayRam deployments.

DNS Lookup API io.github.Br0ski777/dns-lookup

DNS record lookup — A, AAAA, MX, TXT, CNAME, NS via Cloudflare. x402 micropayment.

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

Barcode lookup, nutrition search, and product comparison for 3M+ crowd-sourced food products.

Ror io.github.pipeworx-io/ror

Research Organization Registry (ROR) — canonical org IDs

Rss2json io.github.pipeworx-io/rss2json

rss2json: convert any RSS/Atom feed to JSON. Keyless basic, optional API key for count.

Sarb Za io.github.pipeworx-io/sarb-za

South African Reserve Bank (SARB) Web API MCP. Keyless.