MCP Server Directory

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

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

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

Human Protein Atlas (HPA) MCP — keyless.

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

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.

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

Look up US healthcare providers in the NPPES NPI registry and resolve NUCC specialty codes.

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

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)

Brand Intelligence io.github.sigaihealth/brand-intelligence

Search and analyze 5,600+ companies across 30 technology verticals.

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)

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

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

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

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

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.

Scan codebases for AI usage, classify risk, generate EU AI Act compliance reports.

Search fossil occurrences, taxon ranges, diversity through deep time, and the geologic time scale.

Pare Git ג€” Structured git operations (status, log, diff, branch, commit, push) as typed JSON.

Global Talent AI — UK Global Talent Visa studio io.github.siddharthsinghal/uk-global-talent-visa

UK Global Talent Visa handbook, endorser criteria, cost calculator, draft scoring. Free, no auth.