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MCP servers over stdio

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. release-to-tasksio.github.apomt
  2. bumpguardio.github.appcreationsca · 6 tools
  3. appium-mcpio.github.appium
  4. applitoolsio.github.applitools
  5. mcpio.github.appwrite
  6. mcp-for-apiio.github.appwrite
  7. swotpal-mcp-serverio.github.aprilelevengo · 5 tools
  8. aproxproxyio.github.aproxpay
  9. memory-vaultio.github.apurv101
  10. niroio.github.apxlabs-ai
  11. mcpio.github.ar-agents
  12. reuse-before-generateio.github.aradar46
  13. vlk-coreio.github.aranajhonny · 11 tools
  14. arcagent-mcpio.github.araujota
  15. arc-1io.github.arc-mcp
  16. mcp-serverio.github.arcadia-finance · 35 tools
  17. archetypal-aiio.github.archetypal-ai
  18. mcp-archimedesio.github.archimedes-market
  19. mcp-auditio.github.archonics · 3 tools
  20. deterministicio.github.archradhq
  21. x402lintio.github.arden-instance
  22. fake-star-auditio.github.ardev-lab
  23. star-trajectoryio.github.ardev-lab
  24. codex-control-plane-mcpio.github.aresyn
  25. argonio.github.argon-lab
  26. canli-validation-mcpio.github.arhancanli
  27. trabucoio.github.arianlopezc
  28. agentmailkitio.github.ariaxhan
  29. metabrainio.github.ariaxhan
  30. site-specio.github.ariaxhan
  31. ateam-mcpio.github.ariekogan · 12 tools
  32. anki-mcpio.github.arielbk
  33. aaa-mcpio.github.ariffazil
  34. arifos-mcpio.github.ariffazil
  35. database-mcp-libsqlio.github.arifulislamat
  36. database-mcp-mariadbio.github.arifulislamat
  37. database-mcp-mysqlio.github.arifulislamat
  38. database-mcp-postgresio.github.arifulislamat
  39. database-mcp-sqliteio.github.arifulislamat
  40. mpv-mcp-serverio.github.arijit-gogoi · 17 tools
  41. dataxplan-mcpio.github.arikanatakan
  42. finvariant-mcpio.github.arikanatakan
  43. oee-mcpio.github.arikanatakan
  44. pmcontrols-mcpio.github.arikanatakan
  45. revmng-mcpio.github.arikanatakan
  46. pyslang-mcpio.github.ariklapid · 15 tools
  47. deepseekio.github.arikusi · 3 tools
  48. nakkasio.github.arikusi · 3 tools
  49. figsnap-mcpio.github.arimunandar · 2 tools
  50. fattureincloud-mcpio.github.aringad
  51. google-workspace-mcpio.github.aringad
  52. zmanim-mcp-serverio.github.ariroffe72 · 6 tools
  53. mcp-serverio.github.arkheiaai · 6 tools
  54. arm-mcpio.github.arm
  55. frogletio.github.armanas
  56. ramp-kitio.github.armandocodecr
  57. optiqra-mcpio.github.armin5872
  58. mcp-telemetry-serverio.github.arnavranjan005 · 1 tools
  59. bank-of-canada-mcpio.github.arose26 · 4 tools
  60. gguf-mcpio.github.arose26 · 4 tools
  61. make-audit-mcpio.github.arose26 · 3 tools
  62. mbox-mcpio.github.arose26 · 3 tools
  63. statcan-mcpio.github.arose26 · 5 tools
  64. xlsx-audit-mcpio.github.arose26 · 4 tools
  65. zapier-dev-mcpio.github.arose26 · 4 tools
  66. zapier-discovery-mcpio.github.arose26 · 2 tools
  67. arpeio-mcpio.github.arpe-io
  68. fastbcp-mcpio.github.arpe-io · 6 tools
  69. fasttransfer-mcpio.github.arpe-io · 6 tools
  70. lakexpress-mcpio.github.arpe-io · 6 tools
  71. migratorxpress-mcpio.github.arpe-io · 6 tools
  72. qpost-mcpio.github.arslan2012 · 7 tools
  73. gatesolve-mcpio.github.arsonx-dev
  74. docker-wts-buildio.github.artemdruzhininad-star
  75. robokassa-mcpio.github.artgas1
  76. xmlriver-mcpio.github.artgas1 · 11 tools
  77. yandex-direct-api-mcpio.github.artgas1
  78. yandex-metrika-mcp-serverio.github.artgas1
  79. vedakshaio.github.arthiqlabs
  80. aeo-mcpio.github.arthurcarlsonn · 5 tools
  81. dvalincodeio.github.arthurpanhku
  82. comfyui-mcpio.github.artokun · 19 tools
  83. claudinhoio.github.arturogarrido
  84. Personal-MCPio.github.arun250492
  85. sysmcpio.github.arunmm8335 · 10 tools
  86. twocaptcha-mcpio.github.aruxojuyu665 · 31 tools
  87. maven-tools-mcpio.github.arvindand · 11 tools
  88. arxivsub-mcpio.github.arxivsub · 5 tools
  89. controlkeelio.github.aryaminus
  90. fixmapio.github.aryamthecodebreaker
  91. aifpio.github.aryanduntley
  92. pwa-debug-layerio.github.aryanduntley
  93. infimiumio.github.aryankumar06 · 11 tools
  94. har-forensics-mcpio.github.aryanspv · 13 tools
  95. marrowio.github.aryawidjaja
  96. pgops-mcpio.github.arzharch
  97. teztunio.github.asadullokhn · 5 tools
  98. renology-cost-dataio.github.asafichaki · 5 tools
  99. leteoio.github.asanabrial
  100. gnome-ui-mcpio.github.asattelmaier
  101. ascript-mcpio.github.ascript-cn
  102. coreio.github.asdecided
  103. propstack-mcpio.github.ashev87
  104. graspio.github.ashfordeOU · 137 tools
  105. kshana-mcpio.github.ashfordeOU
  106. nativio.github.ashish-nativ · 11 tools
  107. cognirepoio.github.ashlesh-t · 10 tools
  108. phantom-secrets-mcpio.github.ashlrai
  109. webfetchio.github.ashlrai
  110. dsa-tracker-mcp-serverio.github.ashmitrrr · 5 tools
  111. scb-opendata-mcpio.github.ashwinvis
  112. agent-readiness-auditorio.github.asish-singh
  113. mcp-vk-adsio.github.askads
  114. mcp-yandex-directio.github.askads
  115. mcp-yandex-metricaio.github.askads
  116. mcp-yandex-webmasterio.github.askads
  117. mcp-yandex-wordstatio.github.askads
  118. mcp-state-sidecario.github.askadvaith
  119. argocd-mcp-serverio.github.asklokesh
  120. azure-mcp-serverio.github.asklokesh
  121. chanty-mcp-serverio.github.asklokesh
  122. freshbooks-mcp-serverio.github.asklokesh
  123. harness-mcp-serverio.github.asklokesh
  124. hootsuite-mcp-serverio.github.asklokesh
  125. loki-modeio.github.asklokesh
  126. mailchimp-mcp-serverio.github.asklokesh
  127. powerbi-mcp-serverio.github.asklokesh
  128. quickbooks-mcp-serverio.github.asklokesh
  129. rancher-mcp-serverio.github.asklokesh
  130. rundeck-mcp-serverio.github.asklokesh
  131. servicenow-mcp-serverio.github.asklokesh
  132. tableau-mcp-serverio.github.asklokesh
  133. uipath-mcp-serverio.github.asklokesh
  134. xero-mcp-serverio.github.asklokesh
  135. zoho-crm-mcp-serverio.github.asklokesh · 5 tools
  136. agent-never-give-upio.github.askman-dev
  137. generate-tech-stackio.github.askuma
  138. workflow-generatorio.github.askuma
  139. ftx-mcpio.github.asqi-carter
  140. agenttrustio.github.assister-xyz
  141. local-ydb-mcpio.github.astandrik · 42 tools
  142. astrodynamics-mcpio.github.astro-tools · 25 tools
  143. tsbootstrapio.github.astrogilda
  144. waitbusio.github.astrogilda
  145. agentic-house-searchio.github.asturksever
  146. music-theory-mcpio.github.asume21
  147. webeario.github.asume21
  148. asyntheticio.github.asyntheticai
  149. gossipcatio.github.ataberk-xyz
  150. bilincio.github.atakanelik34
  151. clawifi-mcpio.github.atakanelik34 · 13 tools
  152. fastmcp-pdftoolsio.github.atarkowska
  153. fastmcp-sqltoolsio.github.atarkowska
  154. depwireio.github.atef-ataya
  155. atheris-mcpio.github.atheris-ee
  156. weatherio.github.atk1-eng
  157. mcpio.github.atlasprzetargow · 8 tools
  158. agentshieldio.github.atmflow55
  159. atomadic-forgeio.github.atomadictech
  160. mcp-cbr-ratesio.github.atomno-mcp · 5 tools
  161. mcp-egrulio.github.atomno-mcp
  162. mcp-eridio.github.atomno-mcp
  163. mcp-fns-calcio.github.atomno-mcp
  164. mcp-fns-checkio.github.atomno-mcp
  165. mcp-fsspio.github.atomno-mcp
  166. mcp-newbuildio.github.atomno-mcp
  167. mcp-pharmaio.github.atomno-mcp
  168. mcp-rosreestrio.github.atomno-mcp
  169. mcp-sanctionsio.github.atomno-mcp
  170. mcp-seo-auditio.github.atomno-mcp
  171. mcp-sudactio.github.atomno-mcp
  172. mcp-trademarksio.github.atomno-mcp
  173. mcp-zakupkiio.github.atomno-mcp
  174. pyaiio.github.atomsai
  175. remogramio.github.attebury
  176. hotatoio.github.attenlabs
  177. attest-mcpio.github.attestagents · 2 tools
  178. attestariio.github.attestari
  179. attestd-mcpio.github.attestd-io · 4 tools
  180. attestify-mcpio.github.attestifyagent · 2 tools
  181. fusionpact-vectordbio.github.atul-fusionpact · 1 tools
  182. ad-creative-intelligenceio.github.atul0016
  183. amazon-seller-operationsio.github.atul0016
  184. competitive-intelligenceio.github.atul0016
  185. customer-retention-ltvio.github.atul0016
  186. ecommerce-command-centerio.github.atul0016
  187. first-party-data-croio.github.atul0016
  188. marketing-content-productionio.github.atul0016
  189. seo-geo-intelligenceio.github.atul0016
  190. social-commerce-intelligenceio.github.atul0016
  191. unified-ad-intelligenceio.github.atul0016
  192. atxpio.github.atxp-dev
  193. charterbenchio.github.auburnduke
  194. mcp-weatherio.github.augee99
  195. augments-mcp-serverio.github.augmnt
  196. aurekai-mcpio.github.aurekai
  197. dataloupeio.github.aurelio-nakamura
  198. claude-ops-telegram-serverio.github.auroracapital
  199. effectfenceio.github.aurumflux20
  200. once-kernelio.github.aurumflux20

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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.