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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 |
|---|---|---|---|---|---|
| 23751 | US state CT USPS state code CT. | info | — | — | 21.0 |
| 23752 | US state DC USPS state code DC. | info | — | — | 21.0 |
| 23753 | US state DE USPS state code DE. | info | — | — | 21.0 |
| 23754 | US state FL USPS state code FL. | info | — | — | 21.0 |
| 23755 | US state GA USPS state code GA. | info | — | — | 21.0 |
| 23756 | US state HI USPS state code HI. | info | — | — | 21.0 |
| 23757 | US state IA USPS state code IA. | info | — | — | 21.0 |
| 23758 | US state ID USPS state code ID. | info | — | — | 21.0 |
| 23759 | US state IL USPS state code IL. | info | — | — | 21.0 |
| 23760 | US state IN USPS state code IN. | info | — | — | 21.0 |
| 23761 | US state KS USPS state code KS. | info | — | — | 21.0 |
| 23762 | US state KY USPS state code KY. | info | — | — | 21.0 |
| 23763 | US state LA USPS state code LA. | info | — | — | 21.0 |
| 23764 | US state MA USPS state code MA. | info | — | — | 21.0 |
| 23765 | US state MD USPS state code MD. | info | — | — | 21.0 |
| 23766 | US state ME USPS state code ME. | info | — | — | 21.0 |
| 23767 | US state MI USPS state code MI. | info | — | — | 21.0 |
| 23768 | US state MN USPS state code MN. | info | — | — | 21.0 |
| 23769 | US state MO USPS state code MO. | info | — | — | 21.0 |
| 23770 | US state MS USPS state code MS. | info | — | — | 21.0 |
| 23771 | US state MT USPS state code MT. | info | — | — | 21.0 |
| 23772 | US state NC USPS state code NC. | info | — | — | 21.0 |
| 23773 | US state ND USPS state code ND. | info | — | — | 21.0 |
| 23774 | US state NE USPS state code NE. | info | — | — | 21.0 |
| 23775 | US state NH USPS state code NH. | info | — | — | 21.0 |
| 23776 | US state NJ USPS state code NJ. | info | — | — | 21.0 |
| 23777 | US state NM USPS state code NM. | info | — | — | 21.0 |
| 23778 | US state NV USPS state code NV. | info | — | — | 21.0 |
| 23779 | US state NY USPS state code NY. | info | — | — | 21.0 |
| 23780 | US state OH USPS state code OH. | info | — | — | 21.0 |
| 23781 | US state OK USPS state code OK. | info | — | — | 21.0 |
| 23782 | US state OR USPS state code OR. | info | — | — | 21.0 |
| 23783 | US state PA USPS state code PA. | info | — | — | 21.0 |
| 23784 | US state RI USPS state code RI. | info | — | — | 21.0 |
| 23785 | US state SC USPS state code SC. | info | — | — | 21.0 |
| 23786 | US state SD USPS state code SD. | info | — | — | 21.0 |
| 23787 | US state TN USPS state code TN. | info | — | — | 21.0 |
| 23788 | Stone to pounds Stone to pounds | info | — | — | 21.0 |
| 23789 | US state TX USPS state code TX. | info | — | — | 21.0 |
| 23790 | US state UT USPS state code UT. | info | — | — | 21.0 |
| 23791 | US state VA USPS state code VA. | info | — | — | 21.0 |
| 23792 | US state VT USPS state code VT. | info | — | — | 21.0 |
| 23793 | US state WA USPS state code WA. | info | — | — | 21.0 |
| 23794 | US state WI USPS state code WI. | info | — | — | 21.0 |
| 23795 | US state WV USPS state code WV. | info | — | — | 21.0 |
| 23796 | US state WY USPS state code WY. | info | — | — | 21.0 |
| 23797 | HTTP status class 1xx-5xx HTTP status class 1xx-5xx | info | — | — | 21.0 |
| 23798 | Short status catalog Short status catalog | info | — | — | 21.0 |
| 23799 | ISO/IEC standard number shape ISO/IEC standard number shape | info | — | — | 21.0 |
| 23800 | tab count, text discarded tab count, text discarded | info | — | — | 21.0 |
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.