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Which MCP servers are actually maintained?
The official registry lists every Model Context Protocol server but tells you nothing about whether any of them is still alive. This index scores each one on maintenance activity, flags what deserves a second look before you install it, and shows exactly how every number was reached.
45,870
servers indexed
87
with verified activity
20.0
median score
15,176
carrying risk flags
last refreshed
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Leaderboard
Activity & maintenance, not security — how this is scored| # | Server | Flags | Stars | Change | Score |
|---|---|---|---|---|---|
| 13301 | io.github.mrfentmen/ns-mcp NS Dutch Railways API: departures, stations, journeys, disruptions, fares. | clean | — | — | 24.0 |
| 13302 | io.github.mrfentmen/nuget-mcp Search .NET packages on NuGet. No key required. | clean | — | — | 24.0 |
| 13303 | io.github.mrfentmen/number-tools-mcp Convert numbers between bases, make roman numerals, and spell out numbers locally. No network... | clean | — | — | 24.0 |
| 13304 | io.github.mrfentmen/nutritionix-mcp MCP server for Nutritionix: food search, nutrients. Needs free app keys. | clean | — | — | 24.0 |
| 13305 | io.github.mrfentmen/nvd-cve-mcp Search CVE vulnerability records from the NIST NVD database. No key required. | clean | — | — | 24.0 |
| 13306 | io.github.mrfentmen/nyc311-mcp Use this MCP server to NYC 311 public service request search and aggregate civic data. Tools... | clean | — | — | 24.0 |
| 13307 | io.github.mrfentmen/ocrspace-mcp Run OCR.space: text extraction from image URLs via GET or POST. | clean | — | — | 24.0 |
| 13308 | io.github.mrfentmen/odysee-mcp Keyless Odysee video search by keyword or channel. | clean | — | — | 24.0 |
| 13309 | io.github.mrfentmen/oecd-mcp OECD economic data via SDMX. No key required. | clean | — | — | 24.0 |
| 13310 | io.github.mrfentmen/oeis-mcp Use this MCP server to the OEIS, the encyclopedia of integer sequences. Look up any sequence,... | clean | — | — | 24.0 |
| 13311 | io.github.mrfentmen/office-quotes-mcp Quotes from The Office TV show. No key required. | clean | — | — | 24.0 |
| 13312 | io.github.mrfentmen/ogs-mcp Keyless MCP server for Online-Go.com: Go/Baduk/Weiqi players, ratings, recent games. | clean | — | — | 24.0 |
| 13313 | io.github.mrfentmen/ohdear-mcp Uptime, TLS and DNS checks for any website - no API key. | clean | — | — | 24.0 |
| 13314 | io.github.mrfentmen/okx-mcp Crypto prices from OKX. No key required. | clean | — | — | 24.0 |
| 13315 | io.github.mrfentmen/omdb-mcp Query the OMDb API: movie/series search and full details with ratings. | clean | — | — | 24.0 |
| 13316 | io.github.mrfentmen/on-this-day-mcp Historic births, deaths, and events for any date from Wikipedia. No key required. | clean | — | — | 24.0 |
| 13317 | io.github.mrfentmen/onesignal-mcp Query the OneSignal API (free tier; use a current v2 Organization API key for ONESIGNAL_USER_KEY. | clean | — | — | 24.0 |
| 13318 | io.github.mrfentmen/open-food-facts-mcp Use this MCP server to Open Food Facts product, ingredient, allergen, and nutrition lookup.... | clean | — | — | 24.0 |
| 13319 | io.github.mrfentmen/open-library-mcp Open Library search, works, authors, editions, and ISBN. | clean | — | — | 24.0 |
| 13320 | io.github.mrfentmen/open-meteo-mcp Open-Meteo weather, geocoding, elevation, and UV forecasts. | clean | — | — | 24.0 |
| 13321 | io.github.mrfentmen/open-notify-mcp People currently in space from Open Notify. No key required. | clean | — | — | 24.0 |
| 13322 | io.github.mrfentmen/open-vsx-mcp Keyless MCP server for Open VSX: VS Code extensions, versions, descriptions, download stats. | clean | — | — | 24.0 |
| 13323 | io.github.mrfentmen/open5e-mcp Dungeons and Dragons monsters, spells, and classes. No key required. | clean | — | — | 24.0 |
| 13324 | io.github.mrfentmen/openalex-mcp Use this MCP server to OpenAlex scholarly works, authors, institutions, and citations. Tools... | clean | — | — | 24.0 |
| 13325 | io.github.mrfentmen/openapi-scout-mcp Local read-only OpenAPI and Swagger inspection with secret-safe schema summaries. Tools include... | clean | — | — | 24.0 |
| 13326 | io.github.mrfentmen/openchargemap-mcp Search Open Charge Map: chargers near coordinates, details. | clean | — | — | 24.0 |
| 13327 | io.github.mrfentmen/opendota-mcp Dota 2 heroes, match details, and player stats from OpenDota. No key required. | clean | — | — | 24.0 |
| 13328 | io.github.mrfentmen/openf1-mcp Live Formula 1 telemetry from OpenF1. No key required. | clean | — | — | 24.0 |
| 13329 | io.github.mrfentmen/openfda-mcp FDA open data: drug recalls, adverse events, and approved drugs. | clean | — | — | 24.0 |
| 13330 | io.github.mrfentmen/openlibrary-mcp Query the Open Library: full-text book search, work details. | clean | — | — | 24.0 |
| 13331 | io.github.mrfentmen/openligadb-soccer-mcp German soccer league match data from OpenLigaDB. No key required. | clean | — | — | 24.0 |
| 13332 | io.github.mrfentmen/openmoji-mcp Search 4500+ open-source emoji with SVG links - no API key. | clean | — | — | 24.0 |
| 13333 | io.github.mrfentmen/openpanel-mcp OpenPanel analytics: metrics, live visitors, top pages, referrers. Needs client credentials. | clean | — | — | 24.0 |
| 13334 | io.github.mrfentmen/openplaques-mcp OpenPlaques: public commemorative plaque records worldwide. | clean | — | — | 24.0 |
| 13335 | io.github.mrfentmen/openrouter-mcp Query OpenRouter (free key; set OPENROUTER_API_KEY, Bearer): model list, key info, credits. | clean | — | — | 24.0 |
| 13336 | io.github.mrfentmen/openrouteservice-mcp Query OpenRouteService: geocode, reverse geocode, driving directions. | clean | — | — | 24.0 |
| 13337 | io.github.mrfentmen/opensearch-mcp Search OpenSearch indices, manage documents, check health and stats. | clean | — | — | 24.0 |
| 13338 | io.github.mrfentmen/opensecrets-mcp MCP server for OpenSecrets: money in U.S. politics. Needs a free API key. | clean | — | — | 24.0 |
| 13339 | io.github.mrfentmen/opensky-mcp OpenSky live aircraft positions. | clean | — | — | 24.0 |
| 13340 | io.github.mrfentmen/opentargets-mcp Keyless MCP server for Open Targets: gene/disease/drug search, target details, disease associations. | clean | — | — | 24.0 |
| 13341 | io.github.mrfentmen/opentdb-mcp Trivia questions, quizzes and categories - no API key. | clean | — | — | 24.0 |
| 13342 | io.github.mrfentmen/openverse-mcp Search openly licensed images from the Openverse catalog. No key required. | clean | — | — | 24.0 |
| 13343 | io.github.mrfentmen/openwhyd-mcp Hot tracks and trending music from OpenWhyd. No key required. | clean | — | — | 24.0 |
| 13344 | io.github.mrfentmen/osf-mcp Open research from the Open Science Framework. No key required. | clean | — | — | 24.0 |
| 13345 | io.github.mrfentmen/osrm-mcp Driving, cycling, and walking routes and nearest road lookups via OSRM. No key required. | clean | — | — | 24.0 |
| 13346 | io.github.mrfentmen/osv-mcp Use this MCP server to OSV open source vulnerability data and package security checks. Tools... | clean | — | — | 24.0 |
| 13347 | io.github.mrfentmen/otp-mcp Generate and verify time based one time passwords locally. No network and no key. | clean | — | — | 24.0 |
| 13348 | io.github.mrfentmen/otx-mcp MCP server for AlienVault OTX: pulses, indicators. Free key. | clean | — | — | 24.0 |
| 13349 | io.github.mrfentmen/overpass-mcp Query OpenStreetMap features like cafes, schools, and parks through Overpass. No key required. | clean | — | — | 24.0 |
| 13350 | io.github.mrfentmen/owncloud-mcp ownCloud OCS capabilities and file sharing. | clean | — | — | 24.0 |
A score measures maintenance activity, not safety. A high score does not mean a server is secure, and a low one does not mean it is dangerous — see the methodology for what each signal does and does not tell you.