MCP server registry, checked every day
The full official MCP Registry: 61,326 servers and 241,494 versions, checked every night against public bug databases. A red flag means someone reported a problem. Look before you install.
61,326servers watched
87have a reported issue
9list a version with a reported issue
Last checked 10 hours ago. No flag does not mean safe, only that nothing has been reported publicly. For a full trust grade, see the graded directory.
| Server | Runs as | Listed version | Reported issues |
|---|---|---|---|
| Celsius to kelvin Celsius to kelvin | remote | 1.0.01 version | None reported |
| Kelvin to celsius Kelvin to celsius | remote | 1.0.01 version | None reported |
| Quoted-printable length, input discarded Quoted-printable length, input discarded | remote | 1.0.01 version | None reported |
| UTF-16 unit count, text discarded UTF-16 unit count, text discarded | remote | 1.0.01 version | None reported |
| Ascii85 length, input discarded Ascii85 length, input discarded | remote | 1.0.01 version | None reported |
| RSS feed shape, body discarded RSS feed shape, body discarded | remote | 1.0.01 version | None reported |
| DOI 10. prefix shape, id discarded DOI 10. prefix shape, id discarded | remote | 1.0.01 version | None reported |
| BIC/SWIFT shape, value discarded BIC/SWIFT shape, value discarded | remote | 1.0.01 version | None reported |
| KooLink URL Shortener Shorten any long URL into a clean kool.ink link. Free, unlimited, no signup. AI-agent ready. | remote | 1.2.02 versions | None reported |
| Public suffix count Public suffix count | remote | 1.0.01 version | None reported |
| host:port shape, value discarded host:port shape, value discarded | remote | 1.0.01 version | None reported |
| POST is allowed on MCP POST is allowed on MCP | remote | 1.0.01 version | None reported |
| Hostname label count Hostname label count | remote | 1.0.01 version | None reported |
| Safe header name check Safe header name check | remote | 1.0.01 version | None reported |
| JSON Lines row count, body discarded JSON Lines row count, body discarded | remote | 1.0.01 version | None reported |
| Sentence count, text discarded Sentence count, text discarded | remote | 1.0.01 version | None reported |
| UTC ISO time only UTC ISO time only | remote | 1.0.01 version | None reported |
| Nil UUID constant Nil UUID constant | remote | 1.0.01 version | None reported |
| UTC day of year UTC day of year | remote | 1.0.01 version | None reported |
| Adler-32 hex, input discarded Adler-32 hex, input discarded | remote | 1.0.01 version | None reported |
| Fresh cache hint Fresh cache hint | remote | 1.0.01 version | None reported |
| GET is allowed GET is allowed | remote | 1.0.01 version | None reported |
| Email hostname only, address discarded Email hostname only, address discarded | remote | 1.0.01 version | None reported |
| ULID character length ULID character length | remote | 1.0.01 version | None reported |
| Knots to km/h Knots to km/h | remote | 1.0.01 version | None reported |
| PSI to kilopascals PSI to kilopascals | remote | 1.0.01 version | None reported |
| Yards to meters Yards to meters | remote | 1.0.01 version | None reported |
| Percent-decode length, input discarded Percent-decode length, input discarded | remote | 1.0.01 version | None reported |
| Base58 alphabet check, input discarded Base58 alphabet check, input discarded | remote | 1.0.01 version | None reported |
| dotenv key count, values discarded dotenv key count, values discarded | remote | 1.0.01 version | None reported |
| NDJSON shape check, body discarded NDJSON shape check, body discarded | remote | 1.0.01 version | None reported |
| INI section count, body discarded INI section count, body discarded | remote | 1.0.01 version | None reported |
| io.github.Wchampe/ac-jobs Admission gate for AI agents: submit a step, get admit/hold/reject vs your constitution. | pypi | 0.1.11 version | None reported |
| io.github.Wchampe/nav-substrate Relativistic navigation calcs for agents: time dilation, trip planning, chronometry, gamma. | pypi | 0.1.11 version | None reported |
| LandLens rental records Owner of record, code violations, evictions and tenant reviews for US college-town rentals. | remote | 1.0.01 version | None reported |
| Asia/Thimphu clock Current local time in Asia/Thimphu. | remote | 1.0.01 version | None reported |
| Asia/Tbilisi clock Current local time in Asia/Tbilisi. | remote | 1.0.01 version | None reported |
| Asia/Nicosia clock Current local time in Asia/Nicosia. | remote | 1.0.01 version | None reported |
| Port 6379 Whether 6379 is a common TCP/UDP port. | remote | 1.0.01 version | None reported |
| Port 5432 Whether 5432 is a common TCP/UDP port. | remote | 1.0.01 version | None reported |
| Port 3306 Whether 3306 is a common TCP/UDP port. | remote | 1.0.01 version | None reported |
| MIME webp Public MIME token for webp. | remote | 1.0.01 version | None reported |
| MIME yaml Public MIME token for yaml. | remote | 1.0.01 version | None reported |
| MIME webm Public MIME token for webm. | remote | 1.0.01 version | None reported |
| MIME toml Public MIME token for toml. | remote | 1.0.01 version | None reported |
| MIME jpeg Public MIME token for jpeg. | remote | 1.0.01 version | None reported |
| Port 995 Whether 995 is a common TCP/UDP port. | remote | 1.0.01 version | None reported |
| Port 993 Whether 993 is a common TCP/UDP port. | remote | 1.0.01 version | None reported |
| Port 587 Whether 587 is a common TCP/UDP port. | remote | 1.0.01 version | None reported |
| Port 465 Whether 465 is a common TCP/UDP port. | remote | 1.0.01 version | None reported |