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.
Trust Gate MCP
4.9/10Post-quantum, tamper-evident receipts for agent actions. Ed25519 + ML-DSA-65, offline verify.
Portlandmaps MCP
4.9/10Unofficial MCP server for the public PortlandMaps property/permit/zoning API. Not city-affiliated.
Heyclaude
4.9/10Search the HeyClaude directory of Claude Code agents, MCP servers, skills, and tools.
Remnus
4.9/10MCP-native open-source Notion alternative: read & write pages, databases and kanban boards.
Sortio
4.9/10Read-only search of your Sortio knowledge graph (files and entities) for Claude and ChatGPT.
Capabilities Txt Registry
4.9/10Discover what websites across the agentic web can do — query the capabilities.txt registry.
Braintube MCP
4.9/10Search everything you save: YouTube, articles, podcasts, PDFs, Notion, Obsidian. API key or OAuth.
Tinyzkp
4.9/10Hosted MCP server for STARK proof receipts. Agents mint receipts and verify proofs for free.
Tiza Search
4.9/10Search engine for AI agents to find MCP servers, A2A agents, and skills on their own.
Horizon Shield Webmcp
4.9/10Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
Arcgis Albuquerque
4.9/10City of Albuquerque GIS — Albuquerque, New Mexico open geospatial data (ArcGIS).
Arcgis Allegheny
4.9/10Allegheny County GIS — Allegheny County, Pennsylvania open geospatial data (ArcGIS).
Arcgis Asheville
4.9/10City of Asheville GIS — Asheville, North Carolina open geospatial data (ArcGIS).
Arcgis Brampton
4.9/10City of Brampton GIS — Brampton, Ontario (Canada) open geospatial data (ArcGIS).
Arcgis Castateparks
4.9/10California State Parks GIS — California State Parks open geospatial data (ArcGIS).
Arcgis Chapelhill
4.9/10Town of Chapel Hill GIS — Chapel Hill, North Carolina open geospatial data (ArcGIS).
Arcgis Charleston
4.9/10Charleston County GIS — Charleston County, South Carolina open geospatial data (ArcGIS).
Arcgis Charlotte
4.9/10City of Charlotte GIS — Charlotte, North Carolina open geospatial data (ArcGIS).
Arcgis Chestercounty
4.9/10Chester County GIS — Chester County, Pennsylvania open geospatial data (ArcGIS).
Arcgis Cumberland
4.9/10Cumberland County GIS — Cumberland County, North Carolina open geospatial data (ArcGIS).
Arcgis Eastbatonrouge
4.9/10East Baton Rouge GIS — East Baton Rouge Parish, Louisiana open geospatial data (ArcGIS).
Arcgis Fallschurch
4.9/10City of Falls Church GIS — Falls Church, Virginia open geospatial data (ArcGIS).
Arcgis Glasgow
4.9/10Glasgow City Council GIS — Glasgow, Scotland (UK) open geospatial data (ArcGIS).
Arcgis Harrisburg
4.9/10City of Harrisburg GIS — Harrisburg, Pennsylvania open geospatial data (ArcGIS).
Arcgis Indianriver
4.9/10Indian River County GIS — Indian River County, Florida open geospatial data (ArcGIS).
Arcgis Johnsoncity
4.9/10City of Johnson City GIS — Johnson City, Tennessee open geospatial data (ArcGIS).
Arcgis Kingston
4.9/10City of Kingston GIS — Kingston, Ontario (Canada) open geospatial data (ArcGIS).
Arcgis Lancaster
4.9/10Lancaster County GIS — Lancaster County, Pennsylvania open geospatial data (ArcGIS).
Arcgis Lincolncountync
4.9/10Lincoln County GIS — Lincoln County, North Carolina open geospatial data (ArcGIS).
Arcgis Lincolnne
4.9/10Lincoln & Lancaster County GIS — Lincoln, Nebraska open geospatial data (ArcGIS).
Arcgis Maricopa
4.9/10Maricopa County GIS — Maricopa County (Phoenix), Arizona open geospatial data (ArcGIS).
Arcgis Monocounty
4.9/10Mono County GIS — Mono County & Mammoth Lakes, California open geospatial data (ArcGIS).
Arcgis Onkaparinga
4.9/10City of Onkaparinga GIS — Onkaparinga, South Australia open geospatial data (ArcGIS).
Arcgis Palmbeach
4.9/10Palm Beach County GIS — Palm Beach County, Florida open geospatial data (ArcGIS).
Arcgis Peachtreecorners
4.9/10City of Peachtree Corners GIS — Peachtree Corners, Georgia open geospatial data (ArcGIS).
Arcgis Peterborough
4.9/10City of Peterborough GIS — Peterborough, Ontario (Canada) open geospatial data (ArcGIS).
Arcgis Pittsburgh
4.9/10City of Pittsburgh GIS — Pittsburgh, Pennsylvania open geospatial data (ArcGIS).
Arcgis Princewilliam
4.9/10Prince William County GIS — Prince William County, Virginia open geospatial data (ArcGIS).
Arcgis Sanbernardino
4.9/10City of San Bernardino GIS — San Bernardino, California open geospatial data (ArcGIS).
Arcgis Sanclemente
4.9/10City of San Clemente GIS — San Clemente, California open geospatial data (ArcGIS).
Arcgis Sanjoaquin
4.9/10San Joaquin County GIS — San Joaquin County, California open geospatial data (ArcGIS).
Arcgis Sanjuannm
4.9/10San Juan County GIS — San Juan County, New Mexico open geospatial data (ArcGIS).
Arcgis Stlouiscounty
4.9/10St. Louis County GIS — St. Louis County, Missouri open geospatial data (ArcGIS).
Arcgis Tallahassee
4.9/10Tallahassee-Leon County GIS — Tallahassee-Leon County, Florida open geospatial data (ArcGIS).
Arcgis Washingtoncomn
4.9/10Washington County GIS — Washington County, Minnesota open geospatial data (ArcGIS).
Court Listener
4.9/10CourtListener MCP — Free Law Project's CourtListener API (free, no auth required for basic access)
Data Cityofnewyork
4.9/10NYC open data via Socrata SoQL — 311, transport, housing, permits, crime, health.
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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.