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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. meok-imo-marpol-marine-mcpio.github.CSOAI-ORG
  2. meok-koikeeper-ai-mcpio.github.CSOAI-ORG
  3. meok-laia-aquatic-mcpio.github.CSOAI-ORG
  4. meok-mcp-cardgen-mcpio.github.CSOAI-ORG
  5. meok-mcp-hardening-mcpio.github.CSOAI-ORG
  6. meok-mcp-injection-scan-mcpio.github.CSOAI-ORG
  7. meok-mcp-test-mcpio.github.CSOAI-ORG
  8. meok-neural-health-monitor-mcpio.github.CSOAI-ORG
  9. meok-nis2-de-register-mcpio.github.CSOAI-ORG
  10. meok-omnibus-tracker-mcpio.github.CSOAI-ORG
  11. meok-quantum-scoring-mcpio.github.CSOAI-ORG
  12. meok-rail-freight-uk-mcpio.github.CSOAI-ORG
  13. meok-rspca-aquaculture-mcpio.github.CSOAI-ORG
  14. meok-stripe-acp-checkout-mcpio.github.CSOAI-ORG
  15. meok-tacho-audit-mcpio.github.CSOAI-ORG
  16. meok-uk-fhi-mcpio.github.CSOAI-ORG
  17. meok-vehicle-handover-mcpio.github.CSOAI-ORG
  18. meok-w3c-tdm-rights-mcpio.github.CSOAI-ORG
  19. meok-watermark-attest-mcpio.github.CSOAI-ORG
  20. mica-crypto-mcpio.github.CSOAI-ORG
  21. mifid-ii-ai-mcpio.github.CSOAI-ORG
  22. mitre-atlas-mcpio.github.CSOAI-ORG
  23. mock-server-ai-mcpio.github.CSOAI-ORG
  24. mortgage-calculator-ai-mcpio.github.CSOAI-ORG
  25. muckaway-ai-mcpio.github.CSOAI-ORG · 4 tools
  26. music-production-ai-mcpio.github.CSOAI-ORG
  27. nis2-compliance-mcpio.github.CSOAI-ORG
  28. nist-rmf-ai-mcpio.github.CSOAI-ORG
  29. note-taking-ai-mcpio.github.CSOAI-ORG
  30. notification-ai-mcpio.github.CSOAI-ORG
  31. nrswa-ai-mcpio.github.CSOAI-ORG
  32. nutrition-tracker-ai-mcpio.github.CSOAI-ORG
  33. openchronicle-mcpio.github.CSOAI-ORG
  34. optometry-ai-safety-mcpio.github.CSOAI-ORG
  35. optometry-patient-mcpio.github.CSOAI-ORG
  36. oscal-generator-mcpio.github.CSOAI-ORG
  37. otp-ai-mcpio.github.CSOAI-ORG
  38. owasp-agentic-mcpio.github.CSOAI-ORG · 5 tools
  39. password-ai-mcpio.github.CSOAI-ORG
  40. patient-safety-ai-mcpio.github.CSOAI-ORG
  41. pci-dss-mcpio.github.CSOAI-ORG
  42. pdf-document-mcpio.github.CSOAI-ORG
  43. pdf-merge-ai-mcpio.github.CSOAI-ORG
  44. pdf-tools-ai-mcpio.github.CSOAI-ORG
  45. performance-ai-mcpio.github.CSOAI-ORG
  46. personal-finance-ai-mcpio.github.CSOAI-ORG
  47. pet-care-ai-mcpio.github.CSOAI-ORG
  48. photography-ai-mcpio.github.CSOAI-ORG
  49. plagiarism-checker-ai-mcpio.github.CSOAI-ORG
  50. planthire-ai-mcpio.github.CSOAI-ORG · 6 tools
  51. pomodoro-ai-mcpio.github.CSOAI-ORG
  52. price-tracker-ai-mcpio.github.CSOAI-ORG
  53. project-management-ai-mcpio.github.CSOAI-ORG
  54. proofof-ai-mcpio.github.CSOAI-ORG · 6 tools
  55. qidi-printer-mcpio.github.CSOAI-ORG
  56. qr-code-ai-mcpio.github.CSOAI-ORG
  57. quiz-generator-ai-mcpio.github.CSOAI-ORG
  58. rag-knowledge-graph-mcpio.github.CSOAI-ORG
  59. rag-knowledge-mcpio.github.CSOAI-ORG
  60. readme-generator-ai-mcpio.github.CSOAI-ORG
  61. real-estate-listing-mcpio.github.CSOAI-ORG
  62. recipe-finder-ai-mcpio.github.CSOAI-ORG
  63. recruitment-ai-mcpio.github.CSOAI-ORG
  64. regex-ai-mcpio.github.CSOAI-ORG
  65. regulatory-webhook-mcpio.github.CSOAI-ORG
  66. restaurant-ai-mcpio.github.CSOAI-ORG
  67. resume-parser-ai-mcpio.github.CSOAI-ORG
  68. risk-assessment-ai-mcpio.github.CSOAI-ORG
  69. robotics-control-mcpio.github.CSOAI-ORG
  70. sbom-cyclonedx-mcpio.github.CSOAI-ORG
  71. scam-detector-mcpio.github.CSOAI-ORG
  72. schema-validator-ai-mcpio.github.CSOAI-ORG
  73. security-scanner-ai-mcpio.github.CSOAI-ORG
  74. self-healing-infrastructure-mcpio.github.CSOAI-ORG · 12 tools
  75. sentiment-analysis-ai-mcpio.github.CSOAI-ORG
  76. seo-checker-ai-mcpio.github.CSOAI-ORG
  77. skip-hire-ai-mcpio.github.CSOAI-ORG
  78. slack-enterprise-mcpio.github.CSOAI-ORG
  79. sleep-tracker-ai-mcpio.github.CSOAI-ORG
  80. slugify-ai-mcpio.github.CSOAI-ORG
  81. soc2-compliance-ai-mcpio.github.CSOAI-ORG · 6 tools
  82. social-media-ai-mcpio.github.CSOAI-ORG
  83. sql-builder-ai-mcpio.github.CSOAI-ORG
  84. stock-analyzer-ai-mcpio.github.CSOAI-ORG
  85. string-utils-ai-mcpio.github.CSOAI-ORG
  86. stripe-billing-mcpio.github.CSOAI-ORG
  87. subscription-tracker-ai-mcpio.github.CSOAI-ORG
  88. summarizer-ai-mcpio.github.CSOAI-ORG
  89. supply-chain-mcpio.github.CSOAI-ORG
  90. survey-builder-ai-mcpio.github.CSOAI-ORG
  91. tax-calculator-ai-mcpio.github.CSOAI-ORG
  92. test-case-generator-ai-mcpio.github.CSOAI-ORG
  93. text-stats-ai-mcpio.github.CSOAI-ORG
  94. time-tracker-ai-mcpio.github.CSOAI-ORG
  95. tone-rewriter-ai-mcpio.github.CSOAI-ORG
  96. translation-ai-mcpio.github.CSOAI-ORG
  97. translator-pro-ai-mcpio.github.CSOAI-ORG
  98. trust-chain-mcpio.github.CSOAI-ORG
  99. uk-ai-act-mcpio.github.CSOAI-ORG
  100. uk-ai-bill-compliance-mcpio.github.CSOAI-ORG
  101. unit-converter-ai-mcpio.github.CSOAI-ORG
  102. url-ai-mcpio.github.CSOAI-ORG
  103. uuid-ai-mcpio.github.CSOAI-ORG
  104. validator-ai-mcpio.github.CSOAI-ORG
  105. vector-knowledge-graph-mcpio.github.CSOAI-ORG
  106. video-editing-ai-mcpio.github.CSOAI-ORG
  107. voice-audio-mcpio.github.CSOAI-ORG
  108. watermarking-authenticity-mcpio.github.CSOAI-ORG
  109. weather-ai-mcpio.github.CSOAI-ORG
  110. web-research-mcpio.github.CSOAI-ORG · 5 tools
  111. webhook-ai-mcpio.github.CSOAI-ORG
  112. workout-planner-ai-mcpio.github.CSOAI-ORG
  113. writing-assistant-ai-mcpio.github.CSOAI-ORG
  114. yaml-ai-mcpio.github.CSOAI-ORG
  115. penni-mcpio.github.CWhittemore1010
  116. fronyboardio.github.Cafelatte1 · 20 tools
  117. chinese-text-toolsio.github.Cail726
  118. 1passwordio.github.CakeRepository
  119. perpage-mcp-serverio.github.Cal-Dev-Tech
  120. securityscorecard-mcpio.github.CallMarcus · 3 tools
  121. phloemio.github.CanopyHQ
  122. x402-mcpio.github.CarbonCashmere
  123. mcpio.github.Cast-Hub
  124. vantageio.github.Cavendo-AI · 13 tools
  125. claude-findio.github.Cavinooo
  126. facturx-toolkitio.github.CedricKouma
  127. fetch-extractio.github.CedricKouma
  128. json-repairio.github.CedricKouma
  129. openapi-lintio.github.CedricKouma
  130. schema-validateio.github.CedricKouma
  131. url-alive-checkio.github.CedricKouma
  132. aws-spapi-mcpio.github.CesarObedFL
  133. weapp-agent-mcpio.github.Chaixueyuan
  134. archlang-mcpio.github.ChanMeng666
  135. vitexio.github.ChanMeng666
  136. australian-law-mcpio.github.ChangkeunJ · 8 tools
  137. kaiboard-mcpio.github.ChasenKai
  138. jupyter-mcp-serverio.github.ChengJiale150
  139. multidim-mcpio.github.Cherridsaid · 4 tools
  140. phases-agentsio.github.Cherridsaid
  141. flyto-indexerio.github.ChesterHsu
  142. local-gpu-imagegenio.github.ChevalGrand520 · 15 tools
  143. unreal-engine-mcpio.github.ChiR24 · 23 tools
  144. vaultio.github.Chill-AI-Space · 2 tools
  145. context-autopilotio.github.ChiragBachani
  146. picrightio.github.ChloePark85
  147. amazon-scraper-api-mcpio.github.ChocoData-com · 4 tools
  148. interlineio.github.Choppaaahh
  149. sendgrid-mcp-secureio.github.Choppaaahh
  150. optical-context-mcpio.github.ChrBoebel · 3 tools
  151. ftp-ssh-mcpio.github.Chris221
  152. riv-mcpio.github.Christopher-AS
  153. github-twinio.github.ChristopherDavenport
  154. unblinkio.github.ChristopherDavenport · 18 tools
  155. xiangguangyu-mcp-skillsio.github.Chromatic0618
  156. chrome-devtools-mcpio.github.ChromeDevTools
  157. kiwoom-mcp-serverio.github.ChunSam
  158. pingcheck-mcpio.github.Churman1113
  159. mcp-apple-musicio.github.Cifero74
  160. ariel-memoryio.github.Cipher208
  161. clawcallio.github.ClawCall-Dev
  162. clawallex-mcpio.github.Clawallex-Tech · 18 tools
  163. aeonosio.github.Clawdio777 · 5 tools
  164. verityio.github.Clawdio777 · 4 tools
  165. clichefactory-mcpio.github.ClicheFactory · 7 tools
  166. mcp-clickhouseio.github.ClickHouse
  167. mcp-serverio.github.Clipform · 33 tools
  168. cloakedio.github.CloakedAgent
  169. mcpio.github.ClockNext · 6 tools
  170. mcpio.github.Clocknext · 6 tools
  171. cpersonaio.github.Cloto-dev
  172. coreason-ecosystemio.github.CoReason-AI
  173. coalesce-transformio.github.Coalesce-Software-Inc
  174. sap-abap-mcpio.github.Coaspe
  175. codealive-mcpio.github.CodeAlive-AI
  176. local-voice-mcpio.github.CodeCraftersLLC
  177. codelogic-mcp-serverio.github.CodeLogicIncEngineering
  178. taskmarketio.github.Codecraft-Ops · 5 tools
  179. portkey-admin-mcpio.github.CodesWhat
  180. codesurfaceio.github.Codeturion · 5 tools
  181. unity-api-mcpio.github.Codeturion · 5 tools
  182. unreal-api-mcpio.github.Codeturion · 5 tools
  183. mcp-scanio.github.CodingSelim
  184. riveterio.github.CodyWatters
  185. stale-write-guard-fsio.github.Cohexa-ai
  186. mcp-tradingio.github.CoinRithm
  187. mcpio.github.Coinlooter
  188. mcp-serverio.github.Coinversaa
  189. gocreative-wedge-mcpio.github.ColinHughes2121
  190. zotero-bridgeio.github.Combjellyshen
  191. company-giio.github.Company-Gibraltar · 7 tools
  192. company-gibraltario.github.Company-Gibraltar · 7 tools
  193. complyedgeio.github.ComplyEdge
  194. fragments-mcpio.github.ConanMcN
  195. mssqlio.github.ConnorBritain
  196. mssql-readerio.github.ConnorBritain
  197. mssql-writerio.github.ConnorBritain
  198. contentrainio.github.Contentrain
  199. contextualio.github.Contextual-Laboratories
  200. orcadub-mcp-serverio.github.Continuum-AI-Corp · 5 tools

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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.