Which MCP servers actually work?

We track 59133 servers from the official MCP Registry. 40018 are hosted (remote); we have health-checked 39686 so far. 343 use templated URLs that need user-specific values and can't be checked. Of those checked, 23738 passed a full MCP handshake, 11763 are up but need credentials, and 4185 failed or were unreachable (last check 2026-11-08T11:30:19.183Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
Marziale Technologies
tech.marziale.mcp/marziale
0HealthyNone51457 ms2026-11-06T18:15:46.767Zcommunication
pcap magic endian, bytes discarded
io.github.sadri-dridi/pcap-ok
0HealthyNone31700 ms2026-11-06T18:15:46.693Zagents-and-memory
Culinary pinches to milliliters, number discarded
io.github.sadri-dridi/pinch-ml
0HealthyNone31627 ms2026-11-06T18:15:46.689Zagents-and-memory
pipe-separated token count, value discarded
io.github.sadri-dridi/pipe-n
0HealthyNone31692 ms2026-11-06T18:15:46.685Zagents-and-memory
PEM fence check, key discarded
io.github.sadri-dridi/pem-ok
0HealthyNone30700 ms2026-11-06T18:15:46.680Zagents-and-memory
Sidequest
com.saltcrate/sidequest
0HealthyNone6765 ms2026-11-06T18:15:46.674Zproductivity
Persian year band
io.github.sadri-dridi/persian-ok
0HealthyNone31510 ms2026-11-06T18:15:46.552Zagents-and-memory
PEP 621 project name shape, body discarded
io.github.sadri-dridi/pep621-ok
0HealthyNone3143 ms2026-11-06T18:15:46.532Zagents-and-memory
Percent-decode length, input discarded
io.github.sadri-dridi/percent-decode-len
0HealthyNone3123 ms2026-11-06T18:15:45.870Zagents-and-memory
PEM fence shape, key discarded
io.github.sadri-dridi/pem-shape
0HealthyNone31355 ms2026-11-06T18:15:45.650Zagents-and-memory
PEG rule count, body discarded
io.github.sadri-dridi/peg-ok
0HealthyNone31382 ms2026-11-06T18:15:45.644Zagents-and-memory
gtm.help
help.gtm/gtm-help
0HealthyNone16380 ms2026-11-06T18:15:45.639Zfinance-and-payments
PE MZ/PE signature, bytes discarded
io.github.sadri-dridi/pe-ok
0HealthyNone31366 ms2026-11-06T18:15:45.617Zagents-and-memory
Pascal pressure band, number discarded
io.github.sadri-dridi/pascal-ok
0HealthyNone31366 ms2026-11-06T18:15:45.611Zagents-and-memory
PDF magic-byte check, file discarded
io.github.sadri-dridi/pdf-magic
0HealthyNone31353 ms2026-11-06T18:15:45.611Zproductivity
US pecks to liters, number discarded
io.github.sadri-dridi/peck-l
0HealthyNone31371 ms2026-11-06T18:15:45.611Zagents-and-memory
form-urlencoded percent/plus mix, input discarded
io.github.sadri-dridi/percent-plus
0HealthyNone31371 ms2026-11-06T18:15:45.611Zagents-and-memory
PEM fence check, key discarded
io.github.sadri-dridi/pem-fence
0HealthyNone31283 ms2026-11-06T18:15:45.596Zagents-and-memory
Percent-triplet count, input discarded
io.github.sadri-dridi/pct-ok
0HealthyNone31260 ms2026-11-06T18:15:45.572Zagents-and-memory
PBKDF2 hex length, input discarded
io.github.sadri-dridi/pbkdf-len
0HealthyNone31245 ms2026-11-06T18:15:45.533Zagents-and-memory
path/case segment count, value discarded
io.github.sadri-dridi/path-ok
0HealthyNone3138 ms2026-11-06T18:15:44.982Zagents-and-memory
Paragraph count, text discarded
io.github.sadri-dridi/para-count
0HealthyNone31424 ms2026-11-06T18:15:44.978Zagents-and-memory
package.json key count, values discarded
io.github.sadri-dridi/package-json-ok
0HealthyNone31445 ms2026-11-06T18:15:44.975Zdeveloper-tools
path/case segment count, value discarded
io.github.sadri-dridi/path-seg
0HealthyNone31168 ms2026-11-06T18:15:44.962Zagents-and-memory
Parsecs to light-years, number discarded
io.github.sadri-dridi/pc-ly
0HealthyNone31474 ms2026-11-06T18:15:44.962Zagents-and-memory
Open Agent Utility Index
io.github.sadri-dridi/open-agent-utility-index
0HealthyNone30423 ms2026-11-06T18:15:44.958Zagents-and-memory
paragraph-break count, text discarded
io.github.sadri-dridi/para-n
0HealthyNone31242 ms2026-11-06T18:15:44.952Zagents-and-memory
PascalCase token count, value discarded
io.github.sadri-dridi/pascal-n
0HealthyNone31262 ms2026-11-06T18:15:44.952Zagents-and-memory
PascalCase charset, value discarded
io.github.sadri-dridi/pascalcase-ok
0HealthyNone31263 ms2026-11-06T18:15:44.952Zagents-and-memory
path/case segment count, text discarded
io.github.sadri-dridi/path-n
0HealthyNone31301 ms2026-11-06T18:15:44.948Zagents-and-memory
POSIX path shape, path discarded
io.github.sadri-dridi/path-posix-ok
0HealthyNone31455 ms2026-11-06T18:15:44.946Zagents-and-memory
Aster National Insurance Group
com.douxprocess/aster-national-insurance
0HealthyNone43600 ms2026-11-06T18:10:50.452Zcommunication
package.json key count, body discarded
io.github.sadri-dridi/package-ok
0HealthyNone312787 ms2026-11-06T18:10:50.400Zdeveloper-tools
Pascals to bar
io.github.sadri-dridi/pa-to-bar
0HealthyNone311315 ms2026-11-06T18:10:50.177Zagents-and-memory
DouxProcess: find a licensed insurance agency
com.douxprocess/insurance-agencies
0HealthyNone52244 ms2026-11-06T18:10:49.437Zcommunication
RealYield
uk.co.realyield/realyield
0HealthyNone111478 ms2026-11-06T18:10:49.259Zfinance-and-payments
:path absolute-path shape, value discarded
io.github.sadri-dridi/path-h2-ok
0HealthyNone311428 ms2026-11-06T18:10:49.092Zagents-and-memory
paragraph count, text discarded
io.github.sadri-dridi/para-ok2
0HealthyNone311303 ms2026-11-06T18:10:49.069Zagents-and-memory
npm Name Shape
io.github.sadri-dridi/npm-name-shape
0HealthyNone311318 ms2026-11-06T18:10:49.039Zdeveloper-tools
Mongo ObjectId hex length, value discarded
io.github.sadri-dridi/objectid-ok
0HealthyNone311307 ms2026-11-06T18:10:49.039Zagents-and-memory
UTC ISO ordinal date
io.github.sadri-dridi/ordinal-utc
0HealthyNone311306 ms2026-11-06T18:10:49.039Zagents-and-memory
Ounces to grams
io.github.sadri-dridi/oz-to-g
0HealthyNone311303 ms2026-11-06T18:10:49.039Zagents-and-memory
Parquet magic-byte check, file discarded
io.github.sadri-dridi/parquet-magic
0HealthyNone311329 ms2026-11-06T18:10:49.039Zagents-and-memory
Parquet magic-byte check, file discarded
io.github.sadri-dridi/parquet-ok
0HealthyNone311306 ms2026-11-06T18:10:49.039Zagents-and-memory
PascalCase hump count, value discarded
io.github.sadri-dridi/pascal-hump
0HealthyNone31757 ms2026-11-06T18:10:48.957Zagents-and-memory
multibase z-prefix, value discarded
io.github.sadri-dridi/multibase-z
0HealthyNone3164 ms2026-11-06T18:10:48.868Zagents-and-memory
Pascals to kilopascals, number discarded
io.github.sadri-dridi/pa-kpa
0HealthyNone311132 ms2026-11-06T18:10:47.391Zagents-and-memory
Origin header shape, value discarded
io.github.sadri-dridi/origin-ok
0HealthyNone311337 ms2026-11-06T18:10:47.389Zagents-and-memory
Troy ounces to grams, number discarded
io.github.sadri-dridi/oz-t-g
0HealthyNone311197 ms2026-11-06T18:10:47.387Zagents-and-memory
UTC offset shape like +02:00
io.github.sadri-dridi/offset-utc
0HealthyNone311355 ms2026-11-06T18:10:47.369Zagents-and-memory

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