MCP servers over stdio

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-mcp-serverio.github.blazickjp · 19 tools
2. dearuserio.github.bleedmode
3. parkour-mcpio.github.blightbow
4. emailio.github.blipemail
5. blitzio.github.blitzdotdev
6. model-ledgerio.github.block
7. mcpio.github.blockchainacademics · 3 tools
8. blocklens-mcp-serverio.github.blocklens
9. stylobridgeio.github.blockpal1
10. bluecolumn-memoryio.github.bluecolumnconsulting-lgtm · 13 tools
11. mcpio.github.blueprint-chart · 11 tools
12. solenticio.github.blueprint-infrastructure · 26 tools
13. agent-observabilityio.github.blueskylineassets
14. far-mcp-serverio.github.blueskylineassets
15. kontra-mcpio.github.bluwork
16. mongo-scout-mcpio.github.bluwork · 45 tools
17. postgres-scout-mcpio.github.bluwork · 37 tools
18. freecad-mcpio.github.blwfish
19. evidriftio.github.bm1016bm-svg
20. agentguard47io.github.bmdhodl
21. terrabackio.github.bmoldo
22. shopware-mcpio.github.bnymnDev · 26 tools
23. motionlintio.github.bobaba99
24. append-log-mcpio.github.bobbyhouse
25. project-gutenberg-mcpio.github.bobbyhouse · 5 tools
26. quarterbackio.github.bobbyrgoldsmith
27. sovseal-memoryio.github.bobybarack
28. seedflipio.github.bockenstette1
29. turkey-data-mcpio.github.bodyegypt · 7 tools
30. crazyseoio.github.bolidee
31. baozi-mcpio.github.bolivian-peru
32. attestorio.github.bolnet
33. memwrightio.github.bolnet
34. gatewayio.github.bolyra
35. mcpio.github.bolyra
36. sdkio.github.bolyra
37. shieldio.github.bolyra
38. bomly-cliio.github.bomly-dev
39. tripwireio.github.bonesdefi
40. boostu-teamleader-mcpio.github.boostuagency · 92 tools
41. proton-drive-cli-mcpio.github.borealstack
42. dfxm-geo-mcpio.github.borgi-s
43. dryrunio.github.boringSQL
44. voxio.github.boska · 2 tools
45. dropthehassleio.github.bosmdavid-gif
46. image2svg-mcpio.github.botmonster
47. dreamdio.github.botzrDev
48. bounded-tools-mcpio.github.bounded-systems
49. site-mcpio.github.bounded-systems
50. mcp-watchdogio.github.bountyyfi
51. emailio.github.boutquin
52. boyceio.github.boyce-io · 8 tools
53. u2-mcpio.github.bpamiri · 22 tools
54. bulwarkio.github.bpolania
55. aethereumio.github.br9704
56. meshcheck-mcpio.github.brac
57. particlr-mcpio.github.brac
58. neuroio.github.brain-bbqs
59. neuro-mcpio.github.brain-bbqs
60. frugalio.github.brainsparker
61. levea-mcp-serverio.github.brajendrak00068
62. justtranscribe-mcpio.github.bramontiventures · 6 tools
63. reversecentaur-mcpio.github.brandonbgreen · 6 tools
64. konquest-meta-ads-mcpio.github.brandu-mos
65. flitio.github.brashler
66. brave-search-mcp-serverio.github.brave · 41 tools
67. brawsrio.github.brawsr · 6 tools
68. mcpio.github.brazilayer
69. mulewatchio.github.brbousnguar · 9 tools
70. sec-mcpio.github.brechanbech · 8 tools
71. xojo-mcpio.github.brechanbech
72. deepnatalio.github.breezefeng · 4 tools
73. spudcoachio.github.brendanlefebvre · 22 tools
74. buildutilities-mcpio.github.brentspore · 20 tools
75. retentioncheck-mcp-serverio.github.brianfofficial
76. totemio.github.briangaoo
77. whoop-mcpio.github.briangaoo
78. laravel-mcp-companionio.github.brianirish
79. bridgenode-mcpio.github.bridgenode-ai · 3 tools
80. mcpio.github.briefroom · 3 tools
81. brightdata-mcpio.github.brightdata
82. vibeio.github.brightseth
83. brilliant-directories-mcpio.github.brilliantdirectories
84. myotpio.github.brntech
85. azure-mcpio.github.broisnischal
86. x64dbgio.github.bromoket
87. dotplot-mcpio.github.brownglasses
88. browser-gatewayio.github.browser-gateway
89. mcp-server-browserbaseio.github.browserbase · 6 tools
90. mcp-serverio.github.browserstack
91. brs-signals-mcpio.github.brssignals
92. canvas-lms-mcpio.github.bruchris
93. agrobrio.github.bruno-portfolio · 10 tools
94. hypokratesio.github.bruno-portfolio
95. vectoraio.github.brunosrz
96. openfinance-br-mcpio.github.brunovicco
97. desktop-hypervisor-mcpio.github.bryanjbelanger · 9 tools
98. talos-mcp-serverio.github.bryanjbelanger
99. crossfinio.github.bubilife1202
100. mcpio.github.bugfender · 25 tools
101. galaxy-design-mcpio.github.buikevin
102. repo-cartographerio.github.builditwithgk
103. buildkite-mcp-serverio.github.buildkite
104. shopify-geo-auditio.github.builtbyabs
105. vkio.github.bulatko · 19 tools
106. mcp-serverio.github.bultcloud · 24 tools
107. kicad-mcp-serverio.github.bunnyf
108. searxng-deepdiveio.github.burakaydinofficial · 7 tools
109. video-editing-mcpio.github.burningion
110. afterpathsio.github.burnssa
111. mcpio.github.butterbase-ai
112. mcp-loomio.github.buttonmonkey
113. legacy2mcpio.github.bvenkata
114. mcp-api-connectio.github.bvenkata
115. mcp-ssh-managerio.github.bvisible
116. ivygrepio.github.bvolpato
117. wireshark-mcpio.github.bx33661
118. bpe-mcpio.github.bxetech
119. tachibot-mcpio.github.byPawel
120. enzymeio.github.byenzyme
121. weatherio.github.byrness
122. dbhubio.github.bytebase
123. mcp-server-browserio.github.bytedance
124. mcp-server-commandsio.github.bytedance
125. mcp-server-filesystemio.github.bytedance
126. mcp-server-searchio.github.bytedance
127. byteplant-mcpio.github.byteplant-dev
128. soulsketchio.github.bytewizard42i
129. hubdio.github.bzdOS
130. oxidize-pdf-mcpio.github.bzsanti · 13 tools
131. livetrafficcam-mcpio.github.bzsasson · 5 tools
132. screaming-frog-mcpio.github.bzsasson · 9 tools
133. vector-mirrorio.github.c64dos-png
134. google-mapio.github.cablate · 18 tools
135. mcp-serverio.github.cachly-dev
136. cadlens-mcpio.github.cadlens-co · 7 tools
137. calibre-mcpio.github.caelum29 · 19 tools
138. antigravity-linkio.github.cafeTechne
139. chatspatialio.github.cafferychen777
140. heimdallio.github.caglarbozkurt
141. mcp-serverio.github.cahthuranag · 4 tools
142. realtime-exchange-rate-mcpio.github.cahthuranag
143. creditsyncio.github.calademos
144. foxhoundio.github.caleb-love
145. evmscopeio.github.calintzy · 26 tools
146. calllintio.github.calllint
147. callosiumio.github.callosium
148. agent-deviceio.github.callstack
149. agent-deviceio.github.callstackincubator
150. synapse-geoio.github.calvinling2021-star
151. multimodal-rag-mcp-serverio.github.calypso-so · 9 tools
152. cambrian-apiio.github.cambriannetwork
153. XcodeBuildMCPio.github.cameroncooke
154. activitypub-mcpio.github.cameronrye
155. gopher-mcpio.github.cameronrye
156. openzim-mcpio.github.cameronrye
157. memoirio.github.camgitt
158. mcp-server-reddit-adsio.github.camlowe · 30 tools
159. ibanforgeio.github.cammac-creator · 8 tools
160. openswissdataio.github.cammac-creator
161. featureflipio.github.canopy-labs
162. qodercli-mcpio.github.cantbeblank96
163. mcp-serverio.github.cap-js · 2 tools
164. searchtsio.github.capad-xyz
165. isochroneio.github.capan
166. discord-mcpio.github.cappyeo
167. capsolver-mcpio.github.capsolver-ai
168. capsulateio.github.capsulatedev
169. gemini-researcherio.github.capyBearista · 6 tools
170. messagesio.github.cardmagic
171. mcp-factcheckio.github.carlisia
172. govrider-mcp-serverio.github.carlosahumada89 · 3 tools
173. foundersignalio.github.carlosalvite · 2 tools
174. memorydetectiveio.github.carloshpdoc
175. disclosuresio.github.carrotly-ai
176. leadenrich-mcpio.github.carsonroell-debug · 6 tools
177. linkrescue-mcpio.github.carsonroell-debug
178. selfheal-mcpio.github.carsonroell-debug · 8 tools
179. sitehealth-mcpio.github.carsonroell-debug · 7 tools
180. steadyfetchio.github.carsonroell-debug
181. carvector-mcpio.github.carvectorio · 7 tools
182. aicoreutilsio.github.caseSHY
183. cashfree-mcpio.github.cashfree
184. filewashio.github.cassilup · 11 tools
185. puzzletideio.github.catorch · 15 tools
186. textavia-mcpio.github.catorch
187. quicksignio.github.causehacker
188. last-ehrio.github.cbetz
189. ratebookio.github.cbetz
190. fabrxio.github.cc1988cc
191. arabicfmt-mcpio.github.cc1a2b
192. klaren-mcpio.github.ccamborde
193. war-dashboard-dataio.github.cct15 · 3 tools
194. custom-ai-viewio.github.ccustomai
195. ccxt-mcpio.github.ccxt
196. ai-architect-mcp-codebaseio.github.cdeust
197. ai-architect-mcp-specio.github.cdeust
198. automatised-pipelineio.github.cdeust
199. hypermnesia-mcpio.github.cdeust
200. hypermnesia-mcp-vizio.github.cdeust

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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.