MCP server directory

59888 public MCP servers from the official MCP Registry (26001 from verified domains, 33887 community). Search, filter, copy a setup snippet. Nothing here is installed by cosmic-mcp.

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Showing 301 to 330 of 360

• ratchet

  io.github.iversonwuwei/ratchet

  Read-only tools to inspect your agent setup: list MCP servers, flag unpinned ones, test a policy.

  Community ocistdio testing

• raven-nest-mcp

  io.github.tidynest/raven-nest-mcp

  AI-driven penetration testing - 22 security tools behind safety-hardened MCP endpoints

  Community ocistdio securitytesting

• readme-canary

  io.github.brkd-h1/readme-canary

  Security research canary remote MCP server for owned-account testing.

  Community remotestreamable-http sciencesecuritytesting

• recovery-probe

  io.github.BojanKovachki/recovery-probe

  Fail reads in web and Electron test apps, inspect recovery, and compare before/after evidence.

  Community npmstdio testing

• regex

  io.github.rog0x/regex

  Regex test, explain, replace patterns for AI agents

  Community npmstdio testing

• regex-lab

  io.github.ryudi84/regex-lab

  MCP server for regex testing, matching, replacing, and validation

  Community npmstdio testing

• regex-lab-mcp

  io.github.ryudi84/regex-lab-mcp

  Test, explain, and generate regular expressions

  Community npmstdio testing

• regex-mcp

  io.github.mrfentmen/regex-mcp

  Test, describe, and validate regular expressions locally. No network and no key.

  Community npmstdio testing

• regex-test-mcp

  io.github.MukundaKatta/regex-test-mcp

  Trustworthy JS regex testing. Real offsets, named groups, safe against zero-width loops.

  Community npmstdio testing

• replicant-mcp

  io.github.thecombatwombat/replicant-mcp

  Android MCP server for AI-assisted development. Build, test, emulate, and automate.

  Community npmstdio testing

• repoready

  io.github.CloudCorpRecords/repoready

  Score first-contributor readiness: README, install and test docs, license, CI, lockfile.

  Community npmstdio devopstesting

• restful-api-dev-mcp

  io.github.mrfentmen/restful-api-dev-mcp

  Test objects from restful-api.dev. No key required.

  Community npmstdio testing

• rigor-mcp

  io.github.mrnh/rigor-mcp

  Verified statistical inference for AI agents: hypothesis tests, sequential testing, power.

  Community pypistdio ai-modelstesting

• rowstile

  io.github.rowstile/rowstile

  Check, test, prove and review a rowstile policy: access rules for Postgres row-level security

  Community npmstdio databasessecuritytesting

• rqwstr

  io.github.Kjopstad-IT/rqwstr

  AI-native HTTP security testing MCP server — 17 tools with raw HTTP/1.1 + HTTP/2 control

  Community api-integrationsecuritytesting

• sap-adt-mcp

  io.github.yzonur/sap-adt-mcp

  Give Claude live access to SAP ABAP via ADT: read, search, check, test, and edit objects.

  Community npmstdio ai-modelssearchtesting

• seedweaver-mcp

  io.github.FixtureForge/seedweaver-mcp

  Schema-aware relational test data generator with working foreign keys, for any MCP client.

  Community npmstdio testing

• semantic-scala

  io.github.DmytroMitin/semantic-scala

  Bounded Scala compiler, build, test, type, effect, symbol, and SemanticDB evidence for agents.

  Community developer-toolstesting

• sheetspec

  io.github.helloo1568/sheetspec

  Contract testing and quality gates for spreadsheets created by AI agents.

  Community pypistdio testing

• shiwake-mcp

  io.github.USHIKUNDESUYO/shiwake-mcp

  Journal entry testing (JET) for accounting audits. 15 screening rules, zero dependencies.

  Community npmstdio financetesting

• sidecrew

  io.github.lvlrSajjad/sidecrew

  Code changes and unit tests by local MLX models, behind a gate a machine can run.

  Community npmstdio testing

• simple-mcp-server

  io.github.ormastes/simple-mcp-server

  Simple Language MCP server — code intelligence, debugging, build, test, and VCS tools

  Community npmstdio testingtranslation

• simple_mcp

  io.github.oleksii-donets/simple_mcp

  A Test MCP server that provides tools, promts and resources

  Community ocistdio testing

• simple_mcp_http

  io.github.oleksii-donets/simple_mcp_http

  A Test MCP server that provides tools, promts and resources

  Community ocistreamable-http api-integrationtesting

• sleepstudies

  io.github.itsryanarmani/sleepstudies

  Find a sleep study clinic or home sleep test near you.

  Community remotestreamable-http testing

• sleepstudies

  io.github.pooriaarab/sleepstudies

  Find a sleep study clinic or home sleep test near you.

  Community remotestreamable-http testing

• sniff

  io.github.Aboudjem/sniff

  QA + a11y scanner: walks your running app's real user flows and reports what's broken.

  Community securitytesting

• spectra

  io.github.jorgesandoval/spectra

  Generates unit tests for Python code with coverage before/after reports and concrete edge cases.

  Community remotestreamable-http testing

• tapp

  io.github.aarwitz/tapp

  Test iOS, Android, and web apps with agent exploration, replayable flows, and CI gates.

  Community npmstdio devopstesting

• tdcv2

  io.github.NickLiapin/tdcv2

  Fake, mock and test data generator: CSV, JSON, SQL from a .tdc config, made locally by TDCv2.

  Community npmstdio databasesspreadsheetstesting

Source: the official MCP Registry (registry.modelcontextprotocol.io), refreshed daily, plus public GitHub data. "Verified domain" means the publisher proved the namespace's domain to the registry; it is not a review. Machine-readable: /v1/directory/servers.