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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.
49,991
servers indexed
87
with verified activity
20.0
median score
17,377
carrying risk flags
last refreshed
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Leaderboard
Activity & maintenance, not security — how this is scored| # | Server | Flags | Stars | Change | Score |
|---|---|---|---|---|---|
| 16501 | Malwarebazaar MalwareBazaar MCP — abuse.ch malware sample database (free, key required) | clean | — | — | 24.0 |
| 16502 | Mapillary Mapillary MCP — wraps the Mapillary Graph API (graph.mapillary.com) | clean | — | — | 24.0 |
| 16503 | Marginalia Marginalia MCP — independent web search over a non-commercial, non-SEO index. | clean | — | — | 24.0 |
| 16504 | Marine Marine MCP — wraps marine-api.open-meteo.com (free, no auth) | clean | — | — | 24.0 |
| 16505 | Market Recap Market Recap MCP — a one-call 'what happened in markets' snapshot. | clean | — | — | 24.0 |
| 16506 | Market Spread market-spread MCP — cross-venue prediction-market landscape scanner. | clean | — | — | 24.0 |
| 16507 | Marketdata App Market Data App MCP — wraps the Market Data App API (marketdata.app) | clean | — | — | 24.0 |
| 16508 | Maryland Code Maryland Code — state statutes by citation. | clean | — | — | 24.0 |
| 16509 | Massachusetts Code Massachusetts General Laws — state statutes by citation. | clean | — | — | 24.0 |
| 16510 | Mast Nasa MAST MCP — Space Telescopes archive. | clean | — | — | 24.0 |
| 16511 | Mastodon Mastodon MCP — public Mastodon data via mastodon.social (no auth required) | clean | — | — | 24.0 |
| 16512 | Materials Materials MCP — computed (DFT) materials structures & thermodynamic properties. | clean | — | — | 24.0 |
| 16513 | Mathjs Math.js MCP — wraps the mathjs.org API (free, no auth) | clean | — | — | 24.0 |
| 16514 | Maven Central Maven Central MCP — Java/JVM artifact registry | clean | — | — | 24.0 |
| 16515 | Mbta MBTA MCP — Boston real-time transit via the MBTA v3 API (api-v3.mbta.com) | clean | — | — | 24.0 |
| 16516 | Md Dmv Maryland DMV MCP — monthly registered-vehicle counts and electric/plug-in hybrid | clean | — | — | 24.0 |
| 16517 | Mediastack Mediastack MCP — wraps Mediastack API (api.mediastack.com/v1) | clean | — | — | 24.0 |
| 16518 | Medicaid Intelligence MCP server for medicaid-intelligence | clean | — | — | 24.0 |
| 16519 | Medicare Coverage MCP server for medicare-coverage | clean | — | — | 24.0 |
| 16520 | Medicare Pricing What does Medicare PAY — physician fee schedule, lab rates, and per-day unit limits. | clean | — | — | 24.0 |
| 16521 | Medlineplus MedlinePlus MCP — NIH consumer health info | clean | — | — | 24.0 |
| 16522 | Meetup Meetup MCP — wraps Meetup's public GraphQL API (api.meetup.com, free, no auth) | clean | — | — | 24.0 |
| 16523 | Mempool Space mempool.space MCP — Bitcoin block explorer + mempool/fee stats | clean | — | — | 24.0 |
| 16524 | Meps MEPS — what Americans actually take, and what for. | clean | — | — | 24.0 |
| 16525 | Mercury Number mercury-number MCP — wraps StupidAPIs (keyless — no credential needed) | clean | — | — | 24.0 |
| 16526 | Merriam Webster Merriam-Webster MCP — wraps the Merriam-Webster Collegiate Dictionary and | clean | — | — | 24.0 |
| 16527 | Mesh NLM MeSH (Medical Subject Headings) MCP. | clean | — | — | 24.0 |
| 16528 | Met No MET Norway (api.met.no) MCP — global weather, Nordics specials. | clean | — | — | 24.0 |
| 16529 | Metabolights MetaboLights MCP — EBI's metabolomics study repository. | clean | — | — | 24.0 |
| 16530 | Metals Api Metals API MCP — wraps Metals-API (metals-api.com) | clean | — | — | 24.0 |
| 16531 | Meteors Meteors MCP — NASA fireball, near-Earth asteroid, and close approach data | clean | — | — | 24.0 |
| 16532 | Meteostat Meteostat MCP — historical weather from 11k+ stations (no auth) | clean | — | — | 24.0 |
| 16533 | Meteoswiss Swiss weather and federal geodata from MeteoSwiss and swisstopo on data.geo.admin.ch — find… | clean | — | — | 24.0 |
| 16534 | Metmuseum The Metropolitan Museum of Art Collection MCP. | clean | — | — | 24.0 |
| 16535 | Mfapi India MFAPI.in MCP — Indian mutual-fund NAV (net asset value) data. | clean | — | — | 24.0 |
| 16536 | Mgnify MGnify — EMBL-EBI's metagenomics resource: public microbiome studies, the biome vocabulary they… | clean | — | — | 24.0 |
| 16537 | Mhra Alerts MHRA drug and device safety alerts, recalls and Drug Safety Update bulletins, | clean | — | — | 24.0 |
| 16538 | Mhra Uk MHRA (UK Medicines and Healthcare products Regulatory Agency) — the public | clean | — | — | 24.0 |
| 16539 | Mhw MHW MCP — Monster Hunter World data (mhw-db.com, free, no auth) | clean | — | — | 24.0 |
| 16540 | Mi Medical Exclusions Michigan Medicaid provider sanctions screening: the Michigan Department of Health and Human… | clean | — | — | 24.0 |
| 16541 | Mic MIC — ISO 10383 Market Identifier Code decoder (fleet #3261) | clean | — | — | 24.0 |
| 16542 | Michigan Code Michigan Compiled Laws — state statutes by citation. | clean | — | — | 24.0 |
| 16543 | Microlink Microlink MCP — wraps Microlink API (free tier, no auth required) | clean | — | — | 24.0 |
| 16544 | Microsoft Onenote Microsoft OneNote (Microsoft 365) MCP Pack | clean | — | — | 24.0 |
| 16545 | Microsoft Todo Microsoft To Do (Microsoft 365) MCP Pack | clean | — | — | 24.0 |
| 16546 | Millionverifier MillionVerifier MCP — wraps the MillionVerifier single-verify API | clean | — | — | 24.0 |
| 16547 | Minnesota Code Minnesota Statutes — state statutes by citation. | clean | — | — | 24.0 |
| 16548 | Miso Real-time electricity data for MISO, the grid operator for 15 US states from Louisiana to… | clean | — | — | 24.0 |
| 16549 | Mississippi Code Mississippi Code of 1972 (Annotated) — state statutes by citation, and a chapter list by title.… | clean | — | — | 24.0 |
| 16550 | Missouri Code Missouri Revised Statutes — state statutes by citation. | 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.