Every MCP server, tested live.
All servers from the official MCP registry. Each day we connect to every remote server the way an MCP client does and record whether it answers, how fast, and which tools it really exposes.
All servers
37,973 servers · page 150 of 1266
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Live 167 ms
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Random Tables
io.github.pipeworx-io/random-tablesrandom-tables — Pipeworx original composable random tables for tabletop and narrative play…
Live 178 ms -
Live 121 ms
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Live 135 ms
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Live 193 ms
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Rcsb Pdb
io.github.pipeworx-io/rcsb-pdbRCSB PDB MCP — experimentally determined macromolecular structures.
Live 167 ms -
Live 138 ms
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Live 192 ms
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Realestate
io.github.pipeworx-io/realestateReal Estate Japan MCP — actual residential/commercial transaction prices and agreed (contract)…
Live 154 ms -
Realestateapi
io.github.pipeworx-io/realestateapiRealEstateAPI MCP — property search, detail, and skip-trace (realestateapi.com)
Live 182 ms -
Live 167 ms
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Live 153 ms
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Recreation Gov
io.github.pipeworx-io/recreation-govRecreation.gov MCP — wraps the Recreation Information Database (RIDB) API v1…
Live 166 ms -
Live 118 ms
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Reddit Archive
io.github.pipeworx-io/reddit-archiveReddit Archive — historical Reddit post and comment search, and subreddit activity over time…
Live 226 ms -
Reginfo
io.github.pipeworx-io/reginforeginfo MCP — the Unified Agenda of Federal Regulatory and Deregulatory Actions, from reginfo.gov…
Live 153 ms -
Regon Pl
io.github.pipeworx-io/regon-plPolish business register (REGON / BIR1.1) — resolve any Polish company by NIP, REGON or KRS number…
Live 185 ms -
Live 145 ms
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Regulations Gov
io.github.pipeworx-io/regulations-govRegulations.gov MCP — federal regulatory dockets, documents, public comments
Live 163 ms -
Regulatory Catalysts
io.github.pipeworx-io/regulatory-catalystsRegulatory Catalysts MCP — high-value biotech regulatory calendar events (keyless).
Live 114 ms -
Reliefweb
io.github.pipeworx-io/reliefwebReliefWeb MCP — the UN OCHA humanitarian information service.
Live 776 ms -
Live 177 ms
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Live 148 ms
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Live 234 ms
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Live 122 ms
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Live 136 ms
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Rescuegroups
io.github.pipeworx-io/rescuegroupsRescueGroups.org MCP — adoptable animals and the rescues/shelters that list them, from the…
Live 188 ms -
Research Chain
io.github.pipeworx-io/research-chainOne call, one paper: everything openly available around it — full text, license, datasets, code…
Live 122 ms -
Live 136 ms
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Revternal
io.github.pipeworx-io/revternalRevternal MCP — wraps Revternal's people/developer intelligence API (api.revternal.com), rebuilt…
Live 212 ms
Data: the official MCP registry, read daily. Live status, response time and tool lists come from our own check: we connect without credentials, so servers that need a key show as "Live, key required". Maintainers can add a "Listed on NestDaddy" badge from their server's page.
