Which MCP servers actually work?

We track 47362 servers from the official MCP Registry. 30880 are hosted (remote); we have health-checked 30613 so far. 273 use templated URLs that need user-specific values and can't be checked. Of those checked, 16822 passed a full MCP handshake, 8431 are up but need credentials, and 5360 failed or were unreachable (last check 2026-10-21T03:46:19.385Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
CedarBid
com.cedarbid/va-contracts
0HealthyNone6491 ms2026-10-20T16:11:02.182Zproductivity
Mercadopleis
io.github.castiquark/mercadopleis
0HealthyNone182377 ms2026-10-20T16:11:02.112Zcrypto-web3
CampWatch
au.com.campwatch/campwatch
0HealthyNone101524 ms2026-10-20T16:11:01.602Zcommunication
PlanLimits
app.vercel.planlimits-rpatel021/planlimits
0HealthyNone42000 ms2026-10-20T16:11:01.451Zdeveloper-tools
ai.artemisgtm/gtm-engineer
ai.artemisgtm/gtm-engineer
0HealthyNone51958 ms2026-10-20T16:11:01.432Zagents-and-memory
Rivioo
app.rivioo/rivioo
0HealthyNone51943 ms2026-10-20T16:11:01.425Zother
PostData
cloud.postdata/postdata
0HealthyNone61148 ms2026-10-20T16:11:01.382Zdeveloper-tools
app.hyperwave.www/wavetable-tools
app.hyperwave.www/wavetable-tools
0HealthyNone31824 ms2026-10-20T16:11:01.323Zai-and-media
app.hyperwave.www/docs
app.hyperwave.www/docs
0HealthyNone21776 ms2026-10-20T16:11:01.278Zdocs-and-knowledge
EINI
app.eini/eini
0HealthyNone51505 ms2026-10-20T16:11:01.083Zhealth-and-science
The Undesirables TCG Oracle
io.github.sailorpepe/undesirables-mcp-server
0HealthyNone252040 ms2026-10-20T16:06:08.022Zagents-and-memory
Moltchat Agent Commons
io.github.samzliu/moltchat
0HealthyNone101457 ms2026-10-20T16:06:07.511Zagents-and-memory
Agent Rescue
io.github.santismm/agent-rescue
0HealthyNone31065 ms2026-10-20T16:06:07.383Zagents-and-memory
z-base-32 charset, input discarded
io.github.sadri-dridi/zbase32-ok
0HealthyNone316986 ms2026-10-20T16:06:07.368Zagents-and-memory
yEnc header shape, input discarded
io.github.sadri-dridi/yenc-ok
0HealthyNone316938 ms2026-10-20T16:06:07.360Zagents-and-memory
CallFlow AI
io.github.sarvin-tech/callflow-ai
0HealthyNone21190 ms2026-10-20T16:06:07.271Zsales-and-crm
useSignal
io.github.sanket-naik/usesignal
0HealthyNone121180 ms2026-10-20T16:06:06.929Zdesign
io.github.sangha-lightanchor/shop-search
io.github.sangha-lightanchor/shop-search
0HealthyNone2946 ms2026-10-20T16:06:06.556Zecommerce
RUAGENTIC Directory
io.github.sam1siam/ruagentic-directory
0HealthyNone71024 ms2026-10-20T16:06:06.477Zdeveloper-tools
NPMScan
io.github.salemalem/npmscan
0HealthyNone23794 ms2026-10-20T16:06:06.291Zdeveloper-tools
MCP Billing Gateway
io.github.sapph1re/mcp-billing-gateway
0HealthyNone12765 ms2026-10-20T16:06:06.280Zfinance-and-payments
Feedback Synthesis MCP
io.github.sapph1re/feedback-synthesis-mcp
0HealthyNone4743 ms2026-10-20T16:06:06.261Zdeveloper-tools
LMGram
io.github.saezbaldo/lmgram
0HealthyNone17623 ms2026-10-20T16:06:05.263Zcommunication
ZIP magic-byte check, file discarded
io.github.sadri-dridi/zip-magic
0HealthyNone313656 ms2026-10-20T16:06:03.935Zagents-and-memory
US ZIP+4 shape, value discarded
io.github.sadri-dridi/zip-us-ok
0HealthyNone313406 ms2026-10-20T16:06:03.931Zagents-and-memory
YouTube ID Shape
io.github.sadri-dridi/youtube-id-shape
0HealthyNone313634 ms2026-10-20T16:06:03.922Zmarketing-and-seo
SafeSwapGlobal Crypto Swap Quotes
io.github.safeswapglobal-prog/safeswapglobal-mcp
0HealthyNone23266 ms2026-10-20T16:06:03.906Zcrypto-web3
Yards to meters
io.github.sadri-dridi/yd-to-m
0HealthyNone311935 ms2026-10-20T16:06:03.851Zagents-and-memory
Z85 charset, input discarded
io.github.sadri-dridi/z85-ok
0HealthyNone311882 ms2026-10-20T16:06:03.851Zagents-and-memory
YAML top-level key count, values discarded
io.github.sadri-dridi/yaml-keys-ok
0HealthyNone311746 ms2026-10-20T16:06:03.827Zagents-and-memory
Common zone count
io.github.sadri-dridi/zone-count
0HealthyNone311719 ms2026-10-20T16:06:03.827Zagents-and-memory
UTC year
io.github.sadri-dridi/year-utc
0HealthyNone3153 ms2026-10-20T16:06:03.767Zagents-and-memory
Yards to meters, number discarded
io.github.sadri-dridi/yd-m
0HealthyNone311558 ms2026-10-20T16:06:01.972Zagents-and-memory
YAML document-start count, body discarded
io.github.sadri-dridi/yaml-doc-ok
0HealthyNone3131 ms2026-10-20T16:06:01.833Zproductivity
YAML validity, body discarded
io.github.sadri-dridi/yaml-ok
0HealthyNone3127 ms2026-10-20T16:06:01.833Zagents-and-memory
Days in current UTC year
io.github.sadri-dridi/year-len
0HealthyNone3142 ms2026-10-20T16:06:01.759Zagents-and-memory
xxHash hex length, input discarded
io.github.sadri-dridi/xxhash-len
0HealthyNone3119 ms2026-10-20T16:06:00.013Zagents-and-memory
YAML key count, body discarded
io.github.sadri-dridi/yaml-key-count
0HealthyNone3119 ms2026-10-20T16:05:59.955Zagents-and-memory
XXH3 hex length, input discarded
io.github.sadri-dridi/xxh3-len
0HealthyNone31328 ms2026-10-20T16:05:59.681Zagents-and-memory
XXH32 hex length, input discarded
io.github.sadri-dridi/xxh32-len
0HealthyNone31237 ms2026-10-20T16:05:59.681Zagents-and-memory
Yacc rule count, body discarded
io.github.sadri-dridi/yacc-ok
0HealthyNone31117 ms2026-10-20T16:05:59.681Zagents-and-memory
YAML anchor count, body discarded
io.github.sadri-dridi/yaml-anchor-ok
0HealthyNone31205 ms2026-10-20T16:05:59.681Zagents-and-memory
XXH64 hex length, input discarded
io.github.sadri-dridi/xxh64-len
0HealthyNone31468 ms2026-10-20T16:05:59.669Zagents-and-memory
xxHash hex, input discarded
io.github.sadri-dridi/xxhash-ok
0HealthyNone31425 ms2026-10-20T16:05:59.669Zagents-and-memory
UTC start of the current year
io.github.sadri-dridi/y-start
0HealthyNone31382 ms2026-10-20T16:05:59.669Zagents-and-memory
XXH3-64 hex length, input discarded
io.github.sadri-dridi/xxh3-64
0HealthyNone31479 ms2026-10-20T16:05:59.665Zagents-and-memory
UTC end of the current year
io.github.sadri-dridi/y-end
0HealthyNone31510 ms2026-10-20T16:05:59.665Zagents-and-memory
XML Schema element count, markup discarded
io.github.sadri-dridi/xsd-ok
0HealthyNone31569 ms2026-10-20T16:05:59.662Zagents-and-memory
XXH3-128 hex length, input discarded
io.github.sadri-dridi/xxh3-128
0HealthyNone31516 ms2026-10-20T16:05:59.662Zagents-and-memory
XML tag count, body discarded
io.github.sadri-dridi/xml-tag-count
0HealthyNone31603 ms2026-10-20T16:05:59.659Zagents-and-memory

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