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MCP servers

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.

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. arxiv-mcpio.github.iowarp
  2. chronolog-mcpio.github.iowarp
  3. compression-mcpio.github.iowarp
  4. darshan-mcpio.github.iowarp
  5. geo-mcpio.github.iowarp
  6. geojson-mcpio.github.iowarp
  7. hdf5-mcpio.github.iowarp
  8. jarvis-mcpio.github.iowarp
  9. lmod-mcpio.github.iowarp
  10. ndp-mcpio.github.iowarp
  11. node-hardware-mcpio.github.iowarp
  12. pandas-mcpio.github.iowarp
  13. parallel-sort-mcpio.github.iowarp
  14. paraview-mcpio.github.iowarp
  15. parquet-mcpio.github.iowarp
  16. plot-mcpio.github.iowarp
  17. sac-mcpio.github.iowarp
  18. scientific-catalog-mcpio.github.iowarp
  19. seismic-mcpio.github.iowarp
  20. slurm-mcpio.github.iowarp
  21. spack-mcpio.github.iowarp
  22. terrain-mcpio.github.iowarp
  23. web-mcpio.github.iowarp
  24. mcp-ip2location-ioio.github.ip2location · 1 tools
  25. mcp-ip2whoisio.github.ip2whois · 2 tools
  26. patentmaxio.github.ip930
  27. agent-guardio.github.ipezygj
  28. evalgateio.github.ipezygj
  29. numguardio.github.ipezygj
  30. mcpio.github.ipinfo
  31. agent-memory-mcpio.github.ipiton · 48 tools
  32. proxy-toolkitio.github.ipvolt
  33. 429-throttle-mcpio.github.iqingyoung
  34. search2chart-mcpio.github.iqingyoung
  35. bing-search-freeio.github.iridite
  36. google-meta-ads-ga4-mcpio.github.irinabuht12-oss
  37. mcp-serverio.github.iris-eval · 1 tools
  38. memoryguardio.github.irisxc4
  39. jsonlifyio.github.irmasemma
  40. postcopilot-mcpio.github.irmasemma
  41. argusio.github.ironclawdevs27 · 9 tools
  42. mcpio.github.ironflowsh
  43. secret-safe-envio.github.irrenwill
  44. forageio.github.isaac-levine · 6 tools
  45. venunite-eventsio.github.isaacaskew
  46. spikemeio.github.isaacviannadev
  47. codeofpaperio.github.isagelswann
  48. kolada-mcpio.github.isakskogstad
  49. oecd-mcpio.github.isakskogstad · 9 tools
  50. scb-mcpio.github.isakskogstad
  51. mulmocast-visionio.github.isamu
  52. mcpio.github.isco-tec · 9 tools
  53. mcp_weather_serverio.github.isdaniel
  54. pgtuner_mcpio.github.isdaniel · 16 tools
  55. e-arveldaja-mcpio.github.iseppo
  56. mycrab-mcpio.github.isgudtek · 4 tools
  57. dicepdfio.github.ishan-maheshwari
  58. memstackio.github.isiomaC
  59. cotforce-mcpio.github.islobodan
  60. cruncher-mcpio.github.islobodan · 43 tools
  61. mcp-serverio.github.issuecapture
  62. dt-mcpio.github.istefox
  63. stackguide-mcpio.github.isucorp-taimiralain
  64. claws-mail-mcp-pluginio.github.it-atelier-gn
  65. relay-uiio.github.it-start
  66. mcpio.github.itcons-app · 17 tools
  67. feedlioio.github.itechsoftsolution16
  68. mcp-serverio.github.itmplatform
  69. fable-makerio.github.itpofy2024o
  70. mattalkio.github.itpofy2024o
  71. jira-admin-mcpio.github.its-qusai-nasr
  72. mcp-serverio.github.itsconvo · 15 tools
  73. craftstory-mcpio.github.itseez3d
  74. studex-mcpio.github.itshivams
  75. grow-usa-mcpio.github.itsikzizov
  76. cloudflareio.github.itunified-io
  77. opnsenseio.github.itunified-io
  78. postgresio.github.itunified-io
  79. tailscaleio.github.itunified-io
  80. israel-business-intelligenceio.github.itzikhr18
  81. hiresignalio.github.iusmuchandra · 8 tools
  82. singularityio.github.ivaavimusic
  83. gpt-image-2-polza-mcp-serverio.github.ivanantigravity-lgtm
  84. model-council-mcp-serverio.github.ivanantigravity-lgtm · 4 tools
  85. nanobanana-2-polzaia-mcp-serverio.github.ivanantigravity-lgtm
  86. perplexity-polza-mcp-serverio.github.ivanantigravity-lgtm
  87. seedance-polza-mcp-serverio.github.ivanantigravity-lgtm · 4 tools
  88. walletapio.github.ivangr1 · 23 tools
  89. primer-mcpio.github.ivanlai · 15 tools
  90. lucius-mcpio.github.ivanostanin
  91. tle-satelliteio.github.ivanstan
  92. ratchetio.github.iversonwuwei
  93. postgramio.github.ivo-toby
  94. pricemyrepair-mcpio.github.iwanek86 · 4 tools
  95. iweio.github.iwe-org
  96. codebase-synapseio.github.iwiels
  97. btcmcpio.github.iworkist
  98. avcsio.github.izagood
  99. openclaw-registryio.github.izworskic · 4 tools
  100. codewiki-mcpio.github.izzzzzi
  101. iz-tolk-mcpio.github.izzzzzi · 4 tools
  102. domain-banninio.github.j-doi
  103. pixel-surgeonio.github.j-east · 10 tools
  104. hopgraphio.github.j-sulliman · 5 tools
  105. code-assistantio.github.j0hanz · 13 tools
  106. code-lensio.github.j0hanz · 13 tools
  107. code-review-analystio.github.j0hanz · 13 tools
  108. cortex-mcpio.github.j0hanz · 1 tools
  109. fetch-url-mcpio.github.j0hanz · 1 tools
  110. filesystem-contextio.github.j0hanz · 11 tools
  111. filesystem-mcpio.github.j0hanz · 11 tools
  112. memory-mcpio.github.j0hanz
  113. superfetchio.github.j0hanz · 1 tools
  114. mtg-mcp-serverio.github.j4th · 67 tools
  115. nexus-mcpio.github.j7an · 18 tools
  116. RokuMCPio.github.jack1590 · 38 tools
  117. drillspark-mcpio.github.jackasser
  118. aigroup-mdtoword-mcpio.github.jackdark425 · 2 tools
  119. buildercheckio.github.jackfieldman
  120. aruba-emailio.github.jackfioru92
  121. post-bridgeio.github.jackfriks
  122. scope-mcpio.github.jackgillen15-dev · 5 tools
  123. genflikio.github.jackkatzman
  124. pullpush-mcpio.github.jacklenzotti · 2 tools
  125. sic-codesio.github.jackmmaher
  126. ukdatapiio.github.jackmmaher
  127. scan-mcpio.github.jacksenechal · 8 tools
  128. megalaunch-mcpio.github.jacksun911 · 6 tools
  129. formbroio.github.jackyzhang69
  130. usefilloio.github.jacobfunch
  131. djd-agent-scoreio.github.jacobsd32-cpu · 9 tools
  132. cachetank-mcpio.github.jacobsilver7-art
  133. lurqio.github.jadenryu
  134. index-serverio.github.jagilber-org
  135. memoio.github.jagoff
  136. sec-intelligence-mcpio.github.jahanv01
  137. vocab-voyageio.github.jaideepdhanoa · 19 tools
  138. bus-mcpio.github.jaimenbell · 6 tools
  139. desktop-mcpio.github.jaimenbell
  140. discord-mcpio.github.jaimenbell · 12 tools
  141. github-mcpio.github.jaimenbell
  142. mcp-factoryio.github.jaimenbell
  143. rag-mcpio.github.jaimenbell
  144. rails-mcpio.github.jaimenbell
  145. vllm-ops-mcpio.github.jaimenbell
  146. font-proof-mcpio.github.jakefleming · 3 tools
  147. peelawayio.github.jakeloo
  148. verisio.github.jakeyoung1
  149. fortnoxio.github.jakobwennberg
  150. tmcpio.github.jakyeamos · 11 tools
  151. cukaimax-tax-authorityio.github.jakzaizzat
  152. gridhubio.github.jalcodev · 6 tools
  153. forage-shoppingio.github.jalexspringer
  154. pixelpactio.github.jamalkamaladdin
  155. nightwatchio.github.jamboree777
  156. inthreadio.github.james-robson
  157. push-realmio.github.james-robson
  158. mcp-drawthingsio.github.james-see · 4 tools
  159. journald-mcp-serverio.github.james116blue · 2 tools
  160. lazarettoio.github.jamesdfinance-dev · 1 tools
  161. monkeymcpio.github.jamesmontemagno · 4 tools
  162. ohmyposh-configuratorio.github.jamesmontemagno
  163. valoriaio.github.jamesrez
  164. valoria-intelligenceio.github.jamesrez
  165. robinx-mcpio.github.jamhimself · 5 tools
  166. keelenio.github.jamie7893
  167. monarch-mcpio.github.jamiew · 19 tools
  168. spotify-mcpio.github.jamiew · 25 tools
  169. secure-applemusic-mcp-for-osxio.github.jaminben
  170. engram-serverio.github.jamjet-labs
  171. inventpay-mcpio.github.jams24
  172. rejstrik-mcpio.github.janF19
  173. codex-tldraw-mcpio.github.jananadiw · 11 tools
  174. mcp-diggerio.github.janeksm
  175. weather-for-grown-upsio.github.janhelcl
  176. inkdraftio.github.janishiestand
  177. thesischeckio.github.janishiestand
  178. lupaph-mcpio.github.janmalmstrom · 6 tools
  179. flygkollenio.github.jannegpriv
  180. leasingkollenio.github.jannegpriv
  181. pendlingskollenio.github.jannegpriv
  182. pkollenio.github.jannegpriv
  183. rymdenkollenio.github.jannegpriv
  184. skargardskollenio.github.jannegpriv
  185. skyddsrumskollenio.github.jannegpriv
  186. streamkollenio.github.jannegpriv
  187. vaderkollenio.github.jannegpriv
  188. handbookio.github.jannks
  189. anchoredhopeindex-comio.github.janoliverautomation-stack
  190. assessmyhair-comio.github.janoliverautomation-stack
  191. caldogbiteevidence-comio.github.janoliverautomation-stack
  192. canairecommendmybusiness-comio.github.janoliverautomation-stack
  193. caslipandfall-comio.github.janoliverautomation-stack
  194. decisionsupportnetwork-comio.github.janoliverautomation-stack
  195. grantreadinesschecklist-comio.github.janoliverautomation-stack
  196. okchvaccalculator-comio.github.janoliverautomation-stack
  197. okcluxuryhomeplanner-comio.github.janoliverautomation-stack
  198. okcsciaticacheck-comio.github.janoliverautomation-stack
  199. solarquoteanalyzer-comio.github.janoliverautomation-stack
  200. soschecklist-netio.github.janoliverautomation-stack

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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.