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MCP servers you connect to

An MCP server is something you connect an agent to. The registry will tell you a server's name, its version and how to reach it — but not what it can do, which is the only thing you actually want to know. We read that off the repository.

31,279 servers, 76,670 tool names across 6,537 of them, last read 11 September 2026.

How you run it
anyremotelocalboth
Transport
anystreamable-httpssestdio
Tools
anyknown

A server's tools are not in the registry. We read them from the repository README, which means a list here is what the README documented and an absence is usually silence rather than a server with nothing to offer: 20.9% of servers have a list, and filtering on tools narrows to those. Where a list exists, the page for the server says which part of the README it came from.

  1. mydiseaseio.github.pipeworx-io · 3 tools
  2. mygene-infoio.github.pipeworx-io
  3. myhealthfinderio.github.pipeworx-io · 4 tools
  4. myvariantio.github.pipeworx-io · 3 tools
  5. n2yoio.github.pipeworx-io · 3 tools
  6. n8nio.github.pipeworx-io · 3 tools
  7. naagio.github.pipeworx-io
  8. nager-holidaysio.github.pipeworx-io
  9. nansenio.github.pipeworx-io
  10. nasaio.github.pipeworx-io · 5 tools
  11. nasa-cmrio.github.pipeworx-io · 3 tools
  12. nasa-eonetio.github.pipeworx-io
  13. nasa-powerio.github.pipeworx-io
  14. nassio.github.pipeworx-io
  15. nationalizeio.github.pipeworx-io · 2 tools
  16. natoio.github.pipeworx-io · 3 tools
  17. nbaio.github.pipeworx-io · 4 tools
  18. nbp-plio.github.pipeworx-io · 3 tools
  19. nbu-uaio.github.pipeworx-io · 5 tools
  20. nc-dmvio.github.pipeworx-io
  21. ncbi-eutilsio.github.pipeworx-io
  22. ncuaio.github.pipeworx-io
  23. nebraska-codeio.github.pipeworx-io
  24. nesoio.github.pipeworx-io · 4 tools
  25. netherlands-tendersio.github.pipeworx-io · 3 tools
  26. nevada-codeio.github.pipeworx-io
  27. new-york-codeio.github.pipeworx-io
  28. newsapiio.github.pipeworx-io
  29. newsdataio.github.pipeworx-io · 3 tools
  30. newtonio.github.pipeworx-io · 4 tools
  31. nhlio.github.pipeworx-io · 4 tools
  32. nhtsaio.github.pipeworx-io
  33. nice-guidanceio.github.pipeworx-io
  34. nih-reporterio.github.pipeworx-io
  35. nih-supplementsio.github.pipeworx-io
  36. nihrio.github.pipeworx-io
  37. nist-beaconio.github.pipeworx-io
  38. nist-standardsio.github.pipeworx-io · 3 tools
  39. nj-mvcio.github.pipeworx-io · 2 tools
  40. nlrbio.github.pipeworx-io
  41. noaaio.github.pipeworx-io · 1 tools
  42. noaa-spcio.github.pipeworx-io
  43. noaa-swpcio.github.pipeworx-io
  44. noaa-tidesio.github.pipeworx-io
  45. nobelio.github.pipeworx-io · 2 tools
  46. nominatimio.github.pipeworx-io · 3 tools
  47. norges-bankio.github.pipeworx-io · 3 tools
  48. north-carolina-codeio.github.pipeworx-io
  49. nosdeputes-frio.github.pipeworx-io
  50. notion_connectio.github.pipeworx-io · 5 tools
  51. npi-registryio.github.pipeworx-io
  52. nplg-catalogio.github.pipeworx-io
  53. npmio.github.pipeworx-io · 5 tools
  54. npsio.github.pipeworx-io
  55. nrelio.github.pipeworx-io
  56. nsf-awardsio.github.pipeworx-io
  57. nsi-bgio.github.pipeworx-io · 3 tools
  58. nugetio.github.pipeworx-io
  59. numbersio.github.pipeworx-io · 4 tools
  60. numbersapiio.github.pipeworx-io · 4 tools
  61. numverifyio.github.pipeworx-io
  62. nutritionio.github.pipeworx-io
  63. nvdio.github.pipeworx-io
  64. nwsio.github.pipeworx-io
  65. ny-authority-debtio.github.pipeworx-io
  66. ny-dmvio.github.pipeworx-io
  67. ny-procurementio.github.pipeworx-io
  68. nyc-animalsio.github.pipeworx-io
  69. nyc-parksio.github.pipeworx-io · 2 tools
  70. nyplio.github.pipeworx-io · 2 tools
  71. nytio.github.pipeworx-io · 4 tools
  72. obisio.github.pipeworx-io · 3 tools
  73. ocrspaceio.github.pipeworx-io · 1 tools
  74. octopartio.github.pipeworx-io
  75. octopus-energyio.github.pipeworx-io · 4 tools
  76. odds-apiio.github.pipeworx-io
  77. odooio.github.pipeworx-io · 5 tools
  78. oecdio.github.pipeworx-io
  79. oeisio.github.pipeworx-io · 2 tools
  80. ohio-codeio.github.pipeworx-io
  81. okxio.github.pipeworx-io
  82. omdbio.github.pipeworx-io
  83. onedriveio.github.pipeworx-io · 6 tools
  84. onetio.github.pipeworx-io
  85. ons-ukio.github.pipeworx-io · 5 tools
  86. onthisdayio.github.pipeworx-io · 3 tools
  87. ooniio.github.pipeworx-io · 4 tools
  88. open-contractingio.github.pipeworx-io
  89. open-corporatesio.github.pipeworx-io · 3 tools
  90. open-elevationio.github.pipeworx-io
  91. open-fecio.github.pipeworx-io
  92. open-libraryio.github.pipeworx-io
  93. open-meteoio.github.pipeworx-io
  94. open-notifyio.github.pipeworx-io
  95. open-sanctionsio.github.pipeworx-io · 2 tools
  96. openagendaio.github.pipeworx-io · 2 tools
  97. openaireio.github.pipeworx-io
  98. openalexio.github.pipeworx-io
  99. openaqio.github.pipeworx-io · 4 tools
  100. openbeautyfactsio.github.pipeworx-io · 2 tools
  101. opencagesio.github.pipeworx-io
  102. opencellidio.github.pipeworx-io
  103. openchargemapio.github.pipeworx-io · 2 tools
  104. opencitationsio.github.pipeworx-io
  105. opencollectiveio.github.pipeworx-io
  106. opendata-canadaio.github.pipeworx-io
  107. opendata-swissio.github.pipeworx-io · 5 tools
  108. opendatasoftio.github.pipeworx-io
  109. opendosm-myio.github.pipeworx-io · 3 tools
  110. opendotaio.github.pipeworx-io · 4 tools
  111. openf1io.github.pipeworx-io · 4 tools
  112. openfdaio.github.pipeworx-io
  113. openfemaio.github.pipeworx-io · 3 tools
  114. openfigiio.github.pipeworx-io
  115. openfoodfactsio.github.pipeworx-io
  116. openfoodtoxio.github.pipeworx-io
  117. openholidaysio.github.pipeworx-io · 4 tools
  118. openibanio.github.pipeworx-io · 2 tools
  119. openligadbio.github.pipeworx-io · 4 tools
  120. openparliament-caio.github.pipeworx-io
  121. openreviewio.github.pipeworx-io
  122. openrouterio.github.pipeworx-io · 3 tools
  123. openrouteserviceio.github.pipeworx-io
  124. openseaio.github.pipeworx-io
  125. opensensemapio.github.pipeworx-io · 3 tools
  126. openskyio.github.pipeworx-io · 4 tools
  127. openstatesio.github.pipeworx-io
  128. opentargetsio.github.pipeworx-io
  129. opentopodataio.github.pipeworx-io
  130. opentopographyio.github.pipeworx-io
  131. opentreeoflifeio.github.pipeworx-io · 3 tools
  132. opentripmapio.github.pipeworx-io
  133. openverseio.github.pipeworx-io
  134. openweatherio.github.pipeworx-io · 4 tools
  135. oqmdio.github.pipeworx-io · 3 tools
  136. or-dmvio.github.pipeworx-io
  137. orcidio.github.pipeworx-io
  138. oregon-codeio.github.pipeworx-io
  139. osfio.github.pipeworx-io · 3 tools
  140. oshaio.github.pipeworx-io · 2 tools
  141. osrmio.github.pipeworx-io
  142. osvio.github.pipeworx-io · 4 tools
  143. osv-devio.github.pipeworx-io · 2 tools
  144. outlook-calendario.github.pipeworx-io · 5 tools
  145. outlook-contactsio.github.pipeworx-io · 4 tools
  146. outlook-mailio.github.pipeworx-io · 5 tools
  147. overheid-nlio.github.pipeworx-io · 4 tools
  148. overpassio.github.pipeworx-io
  149. owaspio.github.pipeworx-io · 4 tools
  150. owidio.github.pipeworx-io
  151. oxylabsio.github.pipeworx-io · 3 tools
  152. oyezio.github.pipeworx-io · 3 tools
  153. pa-dmvio.github.pipeworx-io
  154. pacerio.github.pipeworx-io
  155. packagephobiaio.github.pipeworx-io
  156. packagistio.github.pipeworx-io
  157. paddleio.github.pipeworx-io
  158. paleobiodbio.github.pipeworx-io · 3 tools
  159. pangaeaio.github.pipeworx-io
  160. paperswithcodeio.github.pipeworx-io · 4 tools
  161. paraguay-dncpio.github.pipeworx-io · 2 tools
  162. paris-eventsio.github.pipeworx-io · 1 tools
  163. passive-aggressionio.github.pipeworx-io · 1 tools
  164. passwordio.github.pipeworx-io · 1 tools
  165. passwordgenio.github.pipeworx-io · 2 tools
  166. patentsio.github.pipeworx-io
  167. paypalio.github.pipeworx-io · 5 tools
  168. pcaobio.github.pipeworx-io
  169. pdbeio.github.pipeworx-io · 3 tools
  170. peeringdbio.github.pipeworx-io · 3 tools
  171. pennsylvania-codeio.github.pipeworx-io
  172. peopledatalabsio.github.pipeworx-io · 2 tools
  173. peppolio.github.pipeworx-io
  174. performance-reviewio.github.pipeworx-io · 1 tools
  175. perilpulseio.github.pipeworx-io
  176. permidio.github.pipeworx-io
  177. pexelsio.github.pipeworx-io
  178. pharma-intelio.github.pipeworx-io
  179. phillipsio.github.pipeworx-io
  180. phishtankio.github.pipeworx-io · 1 tools
  181. phoenix-numberio.github.pipeworx-io · 1 tools
  182. phoneio.github.pipeworx-io · 2 tools
  183. photonio.github.pipeworx-io
  184. pipedriveio.github.pipeworx-io · 5 tools
  185. pipeworx-catalogio.github.pipeworx-io
  186. pipeworx-faqio.github.pipeworx-io · 2 tools
  187. pirate-weatherio.github.pipeworx-io
  188. pitchprotocolio.github.pipeworx-io
  189. pixabayio.github.pipeworx-io
  190. pkg-go-devio.github.pipeworx-io
  191. plaidio.github.pipeworx-io
  192. plausibleio.github.pipeworx-io
  193. plosio.github.pipeworx-io
  194. podatki-siio.github.pipeworx-io · 3 tools
  195. podcast-parserio.github.pipeworx-io
  196. podcastindexio.github.pipeworx-io · 4 tools
  197. poetryio.github.pipeworx-io · 3 tools
  198. poetrydbio.github.pipeworx-io · 4 tools
  199. pokemonio.github.pipeworx-io · 4 tools
  200. politician-tradesio.github.pipeworx-io

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Live servers only. The whole corpus is one call away through the search API — including tools=, which is how you ask for a server by what it does rather than by what it is called.