The MCP Server Directory
Every Model Context Protocol server, scored on reliability, documentation, maintenance, and adoption. Independent, opinionated, refreshed daily from the official registry.
What this is
The MCP Server Directory is a live, independently maintained index of Model Context Protocol servers published to the official registry. Each server is scored 0–10 on four dimensions: reliability, documentation quality, maintenance velocity, and adoption. The directory is free, updated daily, and built by MegaOne AI.
Open Sanctions
4.5/10OpenSanctions MCP — Global sanctions and PEP data (free, no auth required)
Opensky
4.5/10OpenSky MCP — OpenSky Network API (free, no auth for anonymous access)
Osrm
4.5/10OSRM MCP — routing via the public demo server
Packagephobia
4.5/10Packagephobia MCP — install-size analysis for npm packages
Phishtank
4.5/10PhishTank MCP — wraps PhishTank API (checkurl.phishtank.com)
Podatki Si
4.5/10Slovenia Open Data (podatki.gov.si) CKAN MCP.
Propublica Nonprofit
4.5/10ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)
Quotes
4.5/10Quotes MCP — citation-grade quote API for public-domain authors.
Rcsb Pdb
4.5/10RCSB PDB MCP — experimentally determined macromolecular structures.
Rentcast
4.5/10Rentcast MCP — wraps Rentcast API (api.rentcast.io/v1)
Rick And Morty
4.5/10Rick and Morty MCP — wraps the Rick and Morty API (free, no auth)
Rubygems
4.5/10RubyGems MCP — wraps the RubyGems.org public API (free, no auth)
Sec Events
4.5/10SEC 8-K event triage — query our pre-classified mirror of every
Sec Xbrl
4.5/10SEC XBRL MCP — wraps SEC EDGAR XBRL API (data.sec.gov)
Seo Ai Visibility
4.5/10SEO AI-Visibility MCP — does brand X appear in an LLM's answer (GEO / AI-SEO)
Seo Keywords Ads
4.5/10SEO Keywords (Google Ads volume) MCP — exact Google Ads search volume via
Seo Serp
4.5/10SEO SERP MCP — Google organic search results via DataForSEO (dataforseo.com)
Shodan Internetdb
4.5/10Shodan InternetDB MCP — wraps Shodan InternetDB (internetdb.shodan.io)
Sistat Si
4.5/10Statistical Office of the Republic of Slovenia (SURS) — SiStat PxWeb MCP.
Stat Ee
4.5/10Statistics Estonia (andmed.stat.ee) PxWeb MCP. Keyless.
Stat Lv
4.5/10Statistics Latvia / Official Statistics Portal (data.stat.gov.lv) PxWeb MCP.
Stocktwits
4.5/10StockTwits MCP (keyless public read).
Uniprot
4.5/10UniProt MCP — protein sequence + function database.
Us Iso Grid
4.5/10US ISO Grid MCP — real-time electricity generation, fuel mix, demand,
Wikidata
4.5/10Wikidata MCP — wraps Wikidata API (wikidata.org/w/api.php)
Wikidata Sparql
4.5/10Wikidata SPARQL MCP — Wikidata Query Service
Wikiquote
4.5/10Wikiquote MCP — sourced quotations
Hub
4.5/10Free public MCP for AI agents — 193 tools, 44 workflows. No API key.
Pubfi MCP
4.5/10Route crypto data needs through PubFi capability and gateway tools.
Coder
4.5/10Manage Coder workspaces, templates, and cloud development environments
Data Brussels
4.5/10Brussels Open Data (opendata.bruxelles.be) — OpenDataSoft MCP.
Data Centrevaldeloire
4.5/10Centre-Val de Loire Open Data (data.centrevaldeloire.fr) — OpenDataSoft MCP.
Data Economie Fr
4.5/10France Economy & Finance Open Data (data.economie.gouv.fr) — OpenDataSoft MCP.
Data Iledefrance
4.5/10Île-de-France Open Data (data.iledefrance.fr) — OpenDataSoft MCP.
Data Issy
4.5/10Issy-les-Moulineaux Open Data (data.issy.com) — OpenDataSoft MCP.
Data Nantes
4.5/10Nantes Métropole Open Data (data.nantesmetropole.fr) — OpenDataSoft MCP.
Data Paris
4.5/10Paris Open Data (opendata.paris.fr) — OpenDataSoft MCP.
Data Rennes
4.5/10Rennes Métropole Open Data (data.rennesmetropole.fr) — OpenDataSoft MCP.
Data Reunion
4.5/10Réunion Open Data (data.regionreunion.com) — OpenDataSoft MCP.
Data Sncf
4.5/10SNCF Open Data (ressources.data.sncf.com) — OpenDataSoft MCP.
Data Toulouse
4.5/10Toulouse Métropole Open Data (data.toulouse-metropole.fr) — OpenDataSoft MCP.
Data Tours
4.5/10Tours Métropole Open Data (data.tours-metropole.fr) — OpenDataSoft MCP.
MCP Server
4.5/10Real-time U.S. medical license verification across all 50 states + DC.
Market Data
4.5/10Live Iran exchange rates, gold, crypto, and Toman market data for AI agents.
Donotact
4.5/10Fail-closed guard clause for prediction-market agents before trade().
Loop MCP
4.5/10L402 MCP: 5 paid BTC/Lightning tools + fiat credits, 10-25 sats/call.
MCP Server
4.5/10Product management, public changelog, and feature requests - 60 lean MCP tools.
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New servers, score changes, breakages
Every Monday: what shipped, what broke, what's worth trying. Five minutes. No filler.
Four dimensions, weighted
- Reliability (30%) — repository present, permissive license, not archived, official status.
- Documentation (20%) — description length, website presence, README quality.
- Maintenance (25%) — how recently the code was pushed; versioning discipline.
- Adoption (25%) — GitHub stars (log-scaled), remote availability, official endorsement.
What is MCP?
MCP stands for Model Context Protocol. It is an open standard introduced by Anthropic in late 2024 that lets AI assistants like Claude connect to external tools, data sources, and services through a common interface. An MCP server is a small program that exposes one capability (file access, a database, an API) to any MCP-compatible AI client.
Where does the data come from?
Every server in this directory is pulled from the official Model Context Protocol Registry at registry.modelcontextprotocol.io. We also enrich each entry with GitHub metadata (stars, last commit, license, primary language) where a repository is linked. The full re-scan runs daily.
How are servers scored?
Each server gets a 0–10 overall score, weighted from four sub-scores: reliability (30%), documentation (20%), maintenance (25%), and adoption (25%). The full methodology is visible on this page under "How scoring works".
Is this affiliated with Anthropic?
No. MegaOne AI is independent. Anthropic created the MCP standard and maintains the reference implementations, but this directory is built separately and rates all servers including Anthropic's own.
How often does the directory update?
The pipeline re-fetches the full registry and re-scores every active server once per day. Individual entries are refreshed whenever a new version is published to the official registry.
Is it free?
Yes. Browsing, filtering, and searching the directory is free. The weekly email briefing is free. There is no account required.