Which MCP servers actually work?

We track 51099 servers from the official MCP Registry. 33811 are hosted (remote); we have health-checked 33528 so far. 293 use templated URLs that need user-specific values and can't be checked. Of those checked, 20288 passed a full MCP handshake, 9502 are up but need credentials, and 3738 failed or were unreachable (last check 2026-10-27T07:05:23.550Z UTC). How we check.

ServerUsers (30 d)HandshakeAuthToolsLatencyLast checked (UTC)Category
Coresignal
io.github.pipeworx-io/coresignal		0HealthyNone44119 ms2026-10-26T05:10:10.705Zagents-and-memory
Core Research
io.github.pipeworx-io/core-research		0HealthyNone44128 ms2026-10-26T05:10:10.700Zagents-and-memory
Corporate Satire
io.github.pipeworx-io/corporate-satire		0HealthyNone43121 ms2026-10-26T05:10:10.697Zsearch-and-web
Congress
io.github.pipeworx-io/congress		0HealthyNone52151 ms2026-10-26T05:10:10.681Zagents-and-memory
Copernicus Cds
io.github.pipeworx-io/copernicus-cds		0HealthyNone47133 ms2026-10-26T05:10:10.650Zagents-and-memory
mcp-everything: Russian APIs
ru.mcp-everything/russian-apis		0HealthyNone5627 ms2026-10-26T05:10:10.649Zagents-and-memory
Congressional Documents
io.github.pipeworx-io/congressional-documents		0HealthyNone45145 ms2026-10-26T05:10:10.647Zproductivity
Copernicus Dataspace
io.github.pipeworx-io/copernicus-dataspace		0HealthyNone45139 ms2026-10-26T05:10:10.632Zsearch-and-web
Connecticut Code
io.github.pipeworx-io/connecticut-code		0HealthyNone43131 ms2026-10-26T05:10:10.625Zagents-and-memory
Confluence
io.github.pipeworx-io/confluence		0HealthyNone47135 ms2026-10-26T05:10:10.614Zdocs-and-knowledge
Coordinates
io.github.pipeworx-io/coordinates		0HealthyNone46132 ms2026-10-26T05:10:10.590Zagents-and-memory
Conspiracy Theory
io.github.pipeworx-io/conspiracy-theory		0HealthyNone4363 ms2026-10-26T05:10:10.503Zagents-and-memory
Comtrade
io.github.pipeworx-io/comtrade		0HealthyNone4662 ms2026-10-26T05:10:10.498Zagents-and-memory
Commons Wikimedia
io.github.pipeworx-io/commons-wikimedia		0HealthyNone4782 ms2026-10-26T05:10:10.481Zagents-and-memory
Companies House
io.github.pipeworx-io/companies-house		0HealthyNone4870 ms2026-10-26T05:10:10.390Zagents-and-memory
Complex Portal
io.github.pipeworx-io/complex-portal		0HealthyNone4488 ms2026-10-26T05:10:10.338Zagents-and-memory
Committee Releases
io.github.pipeworx-io/committee-releases		0HealthyNone4580 ms2026-10-26T05:10:10.319Zproductivity
Conceptnet
io.github.pipeworx-io/conceptnet		0HealthyNone4577 ms2026-10-26T05:10:10.314Zagents-and-memory
Commoncrawl
io.github.pipeworx-io/commoncrawl		0HealthyNone45115 ms2026-10-26T05:10:10.243Zsearch-and-web
Colorado Code
io.github.pipeworx-io/colorado-code		0HealthyNone45121 ms2026-10-26T05:10:10.240Zagents-and-memory
Comicvine
io.github.pipeworx-io/comicvine		0HealthyNone52135 ms2026-10-26T05:10:10.208Zsearch-and-web
Color Pizza
io.github.pipeworx-io/color-pizza		0HealthyNone45135 ms2026-10-26T05:10:10.205Zsearch-and-web
Colorapi
io.github.pipeworx-io/colorapi		0HealthyNone45103 ms2026-10-26T05:10:10.202Zagents-and-memory
College Scorecard
io.github.pipeworx-io/college-scorecard		0HealthyNone4485 ms2026-10-26T05:10:10.201Zagents-and-memory
Colombia Secop
io.github.pipeworx-io/colombia-secop		0HealthyNone4489 ms2026-10-26T05:10:10.164Zsearch-and-web
Coinpaprika
io.github.pipeworx-io/coinpaprika		0HealthyNone4890 ms2026-10-26T05:10:10.159Zagents-and-memory
Coinmarketcap
io.github.pipeworx-io/coinmarketcap		0HealthyNone4880 ms2026-10-26T05:10:10.149Zcrypto-web3
Coinglass
io.github.pipeworx-io/coinglass		0HealthyNone4681 ms2026-10-26T05:10:10.124Zagents-and-memory
Codex Mrl
io.github.pipeworx-io/codex-mrl		0HealthyNone4862 ms2026-10-26T05:10:10.065Zagents-and-memory
Coingecko
io.github.pipeworx-io/coingecko		0HealthyNone4655 ms2026-10-26T05:10:10.008Zcrypto-web3
Color
io.github.pipeworx-io/color		0HealthyNone4554 ms2026-10-26T05:10:09.982Zagents-and-memory
Coinbase Exchange
io.github.pipeworx-io/coinbase-exchange		0HealthyNone5261 ms2026-10-26T05:10:09.980Zcrypto-web3
Codex Gsfa
io.github.pipeworx-io/codex-gsfa		0HealthyNone4975 ms2026-10-26T05:10:09.817Zagents-and-memory
Codewars
io.github.pipeworx-io/codewars		0HealthyNone4671 ms2026-10-26T05:10:09.810Zagents-and-memory
China Safe
io.github.pipeworx-io/china-safe		0HealthyNone4659 ms2026-10-26T05:10:09.790Zagents-and-memory
Codeforces
io.github.pipeworx-io/codeforces		0HealthyNone5053 ms2026-10-26T05:10:09.784Zagents-and-memory
Cocktails
io.github.pipeworx-io/cocktails		0HealthyNone4663 ms2026-10-26T05:10:09.731Zagents-and-memory
Codex Contaminants
io.github.pipeworx-io/codex-contaminants		0HealthyNone4474 ms2026-10-26T05:10:09.727Zagents-and-memory
Codestats
io.github.pipeworx-io/codestats		0HealthyNone4481 ms2026-10-26T05:10:09.725Zagents-and-memory
Cobalt
io.github.pipeworx-io/cobalt		0HealthyNone4564 ms2026-10-26T05:10:09.699Zagents-and-memory
Cnmv Filings
io.github.pipeworx-io/cnmv-filings		0HealthyNone4558 ms2026-10-26T05:10:09.682Zagents-and-memory
Cnpj Br
io.github.pipeworx-io/cnpj-br		0HealthyNone4343 ms2026-10-26T05:10:09.618Zagents-and-memory
Cnb Cz
io.github.pipeworx-io/cnb-cz		0HealthyNone4736 ms2026-10-26T05:10:09.617Zagents-and-memory
Cms
io.github.pipeworx-io/cms		0HealthyNone4535 ms2026-10-26T05:10:09.613Zdata-and-databases
Cms Open Payments
io.github.pipeworx-io/cms-open-payments		0HealthyNone5330 ms2026-10-26T05:10:09.590Zfinance-and-payments
Clinicaltables
io.github.pipeworx-io/clinicaltables		0HealthyNone5248 ms2026-10-26T05:10:09.530Zhealth-and-science
Cloudflare Radar
io.github.pipeworx-io/cloudflare-radar		0HealthyNone4943 ms2026-10-26T05:10:09.529Zcloud-and-infra
Close Crm
io.github.pipeworx-io/close-crm		0HealthyNone4842 ms2026-10-26T05:10:09.520Zsales-and-crm
Climatiq
io.github.pipeworx-io/climatiq		0HealthyNone4535 ms2026-10-26T05:10:09.518Zagents-and-memory
Climate
io.github.pipeworx-io/climate		0HealthyNone441986 ms2026-10-26T05:10:09.461Zagents-and-memory

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