Which MCP servers actually work?

We track 59022 servers from the official MCP Registry. 39924 are hosted (remote); we have health-checked 39594 so far. 341 use templated URLs that need user-specific values and can't be checked. Of those checked, 23681 passed a full MCP handshake, 11727 are up but need credentials, and 4186 failed or were unreachable (last check 2026-11-08T07:40:24.750Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
Argon2d encoded shape, input discarded
io.github.sadri-dridi/argon2d-ok
0HealthyNone3142 ms2026-11-06T16:35:44.416Zagents-and-memory
arXiv URI id shape, value discarded
io.github.sadri-dridi/arxiv-uri
0HealthyNone3134 ms2026-11-06T16:35:44.411Zhealth-and-science
ARIA role token charset, value discarded
io.github.sadri-dridi/aria-role
0HealthyNone3134 ms2026-11-06T16:35:44.403Zagents-and-memory
Angstroms to nanometers, number discarded
io.github.sadri-dridi/ang-nm
0HealthyNone3119 ms2026-11-06T16:35:44.370Zagents-and-memory
Recovery TLV
il.co.recoverytlv/recoverytlv
0HealthyNone15342 ms2026-11-06T16:35:44.353Zhealth-and-science
Argon2 hex length, input discarded
io.github.sadri-dridi/argon-len
0HealthyNone3120 ms2026-11-06T16:35:44.351Zagents-and-memory
SpotWave electricity prices
eu.spotwave/prices
0HealthyNone4403 ms2026-11-06T16:35:44.260Zfinance-and-payments
ASCII byte length, text discarded
io.github.sadri-dridi/ascii-len
0HealthyNone31336 ms2026-11-06T16:35:44.181Zagents-and-memory
APKBUILD pkgname shape, body discarded
io.github.sadri-dridi/apkbuild-ok
0HealthyNone31207 ms2026-11-06T16:35:44.180Zagents-and-memory
argon2id encoded hash shape, value discarded
io.github.sadri-dridi/argon2id-ok
0HealthyNone31333 ms2026-11-06T16:35:44.168Zagents-and-memory
7-bit ASCII charset, value discarded
io.github.sadri-dridi/ascii-ok
0HealthyNone31360 ms2026-11-06T16:35:44.159Zagents-and-memory
ANTLR grammar rule count, body discarded
io.github.sadri-dridi/antlr-ok
0HealthyNone31242 ms2026-11-06T16:35:44.146Zagents-and-memory
Arcminutes to degrees, number discarded
io.github.sadri-dridi/arcmin-deg
0HealthyNone31241 ms2026-11-06T16:35:44.137Zagents-and-memory
ARIA role token charset, value discarded
io.github.sadri-dridi/aria-role-ok
0HealthyNone30351 ms2026-11-06T16:35:44.130Zagents-and-memory
Asana GID digit shape, value discarded
io.github.sadri-dridi/asana-gid-ok
0HealthyNone31442 ms2026-11-06T16:35:44.125Zproductivity
Ansible hosts group count, body discarded
io.github.sadri-dridi/ansible-ok
0HealthyNone31419 ms2026-11-06T16:35:44.124Zagents-and-memory
Picodev Lab
io.github.PICODEV-SAS/picodev-lab
0HealthyNone23380 ms2026-11-06T16:35:44.120Zbrowser-automation
Federal Register
com.1102tools/federal-register-mcp
0HealthyNone81375 ms2026-11-06T16:30:51.475Zproductivity
Octo Thinks Decision Presets
com.octothinks/presets
0HealthyNone2855 ms2026-11-06T16:30:51.251Zother
Invoiceer e-invoicing tools
io.invoiceer/einvoicing
0HealthyNone6663 ms2026-11-06T16:30:50.932Zfinance-and-payments
Dead Brands Bot Arena
co.deadbrands/arena
0HealthyNone127810 ms2026-11-06T16:30:50.847Zcommunication
GetAgents
io.getagents/getagents
0HealthyNone5683 ms2026-11-06T16:30:50.831Zmarketing-and-seo
arXiv ID Shape
io.github.sadri-dridi/arxiv-id-shape
0HealthyNone31611 ms2026-11-06T16:30:50.787Zhealth-and-science
Argon2i encoded shape, input discarded
io.github.sadri-dridi/argon2i-ok
0HealthyNone31603 ms2026-11-06T16:30:50.778Zagents-and-memory
Issuerwire — capital markets news for AI agents
io.github.allooloo/issuerwire
0HealthyNone8667 ms2026-11-06T16:30:50.771Zsearch-and-web
Loud Nearby
pl.loudnearby/koncerty
0HealthyNone2598 ms2026-11-06T16:30:50.760Zother
TenderScope
io.github.MarutMarutyan/tenderscope
0HealthyNone4802 ms2026-11-06T16:30:50.752Zagents-and-memory
well-001-extract-table
dev.workers.rainmaker-wells.well-001-extract-table/extract-table-from-pdf
0HealthyNone11880 ms2026-11-06T16:30:50.745Zproductivity
Arcseconds to degrees, number discarded
io.github.sadri-dridi/arcsec-deg
0HealthyNone3122 ms2026-11-06T16:30:50.146Zagents-and-memory
img alt attribute count, markup discarded
io.github.sadri-dridi/alt-ok
0HealthyNone31310 ms2026-11-06T16:30:49.992Zagents-and-memory
ARC-Seal tag count, value discarded
io.github.sadri-dridi/arc-ok
0HealthyNone3141 ms2026-11-06T16:30:49.909Zagents-and-memory
APK ZIP local-file count, bytes discarded
io.github.sadri-dridi/apk-ok
0HealthyNone31146 ms2026-11-06T16:30:49.898Zagents-and-memory
InjectScan
io.github.agentgate-builder/x402-prompt-injection-scan
0HealthyNone3911 ms2026-11-06T16:30:49.893Zagents-and-memory
Angstroms to meters, number discarded
io.github.sadri-dridi/ang-m
0HealthyNone31804 ms2026-11-06T16:30:49.892Zagents-and-memory
sharescan: check before you share
dev.workers.rainmaker-wells.well-011-sharescan/sharescan
0HealthyNone1989 ms2026-11-06T16:30:49.869Zcrypto-web3
apiwatch
io.github.ReignVentures/apiwatch
0HealthyNone7822 ms2026-11-06T16:30:49.866Zdeveloper-tools
Mapsource OpenStreetMap & Geospatial APIs
io.github.robit-man/mapsource
0HealthyNone132097 ms2026-11-06T16:30:49.858Zlocation-and-travel
Walkably
org.walkably/walkably
0HealthyNone3824 ms2026-11-06T16:30:49.851Zdeveloper-tools
AgentGate
io.github.agentgate-builder/agentgate
0HealthyNone1898 ms2026-11-06T16:30:49.842Zagents-and-memory
SPORE x402 Attestation
host.beacon.worker.spore-x402/x402-attestation
0HealthyNone61266 ms2026-11-06T16:30:49.798Zcrypto-web3
WebRead
io.github.agentgate-builder/x402-url-to-markdown
0HealthyNone1992 ms2026-11-06T16:30:49.779Zcrypto-web3
data-cleanup: fix a messy CSV before you load it
dev.workers.rainmaker-wells.well-016-datacleanup/data-cleanup
0HealthyNone11378 ms2026-11-06T16:30:49.708Zdata-and-databases
Shopify Speed Check
com.skaidigital/shopify-speed-check
0HealthyNone41816 ms2026-11-06T16:30:49.653Zecommerce
io.github.rpconroy/gdex-mcp
io.github.rpconroy/gdex-mcp
0HealthyNone301792 ms2026-11-06T16:30:49.569Zdata-and-databases
GSA CALC+
com.1102tools/gsa-calc-mcp
0HealthyNone81805 ms2026-11-06T16:30:49.455Zmarketing-and-seo
well-010-docx-to-text
dev.workers.rainmaker-wells.well-010-docx-to-text/docx-to-text
0HealthyNone11482 ms2026-11-06T16:30:48.720Zcrypto-web3
well-012-x402-probe
dev.workers.rainmaker-wells.well-012-x402-probe/x402-probe
0HealthyNone11371 ms2026-11-06T16:30:48.708Zcrypto-web3
well-002-url-to-markdown
dev.workers.rainmaker-wells.well-002-url-to-markdown/url-to-markdown
0HealthyNone11449 ms2026-11-06T16:30:48.650Zcrypto-web3
well-004-html-to-markdown
dev.workers.rainmaker-wells.well-004-html-to-markdown/html-to-markdown
0HealthyNone11403 ms2026-11-06T16:30:48.573Zcrypto-web3
QuickUnits
io.github.Robomupp/quickunits
0HealthyNone31308 ms2026-11-06T16:30:48.491Zproductivity

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