MCP server directory

58869 public MCP servers from the official MCP Registry (25190 from verified domains, 33679 community). Search, filter, copy a setup snippet. Nothing here is installed by cosmic-mcp.

Community listing. Not installed or verified by cosmic-mcp. Check the source before you run anything.

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Showing 481 to 510 of 599

• mcp-observatory

  io.github.KryptosAI/mcp-observatory

  MCP security scanner. CI-native testing, attack simulation, health scoring, and SARIF.

  Community npmstdio securityhealthtesting

• mcp-react-toolkit

  io.github.Nishant-Chaudhary5338/mcp-react-toolkit

  9 MCP servers for React/TypeScript — dep auditing, a11y, test gen, and TypeScript enforcement.

  Community npmstdio testing

• mcp-server

  com.testrigor/mcp-server

  Manage test suites, run tests, view results, and automate QA workflows via AI with testRigor.

  Verified domain remotestreamable-http testingautomation

• mcp-server

  io.decisionrules/mcp-server

  Create, manage, and test business rules directly from your AI agent via the DecisionRules platform.

  Verified domain remotestreamable-http testing

• mcp-server-zotero-dev

  io.github.introfini/mcp-server-zotero-dev

  MCP server enabling AI assistants to build, test, and debug Zotero plugins

  Community npmstdio developer-toolstesting

• mcp-test

  io.github.bharath-krishna/mcp-test

  A simple MCP server with an echo tool for testing purposes

  Community pypistdio testing

• mcp_test

  io.github.GstXu/mcp_test

  A simple MCP server example written in TypeScript that provides a multiplication tool.

  Community npmstdio testing

• mintqa-mcp

  io.github.adamgusky/mintqa-mcp

  MCP server for Mint — AI-powered QA that runs your app in a real browser on every PR.

  Community npmremotestdio browsertesting

• mobile-mcp

  io.github.mobile-next/mobile-mcp

  MCP server for iOS and Android Mobile Development, Automation and Testing

  Community npmstdio automationtesting

• mockcrowd

  io.github.phanisaimunipalli/mockcrowd

  Test a product idea on a crowd of AI personas grounded in real posts. Returns a verdict.

  Community pypistdio testing

• mockpost

  io.github.reiarseni/mockpost

  Local multi-channel message emulator for E2E testing, with MCP tools for LLM agents.

  Community pypistdio testingai-models

• mychart

  io.github.kriskraw80/mychart

  Connects to Epic MyChart patient portals: interactive login, list and download your own test results

  Community npmstdio healthtesting

• neonloops

  com.neonloops/neonloops

  Build, test and publish agentic workflows from your AI client: approve steps, read tables, see runs.

  Verified domain remotestreamable-http automationtesting

• notifyd

  io.github.rmzlb/notifyd

  Operate a self-hosted notifyd instance: digest, jobs, retries, suppressions, projects, test sends.

  Community ocistreamable-http testing

• number7even website check

  com.number7even/website-check

  Free website check: rebuild preview in every design, AI-readiness test, fixed price.

  Verified domain remotestreamable-http designtesting

• octoperf

  io.github.OctoPerf/octoperf

  Drive OctoPerf load testing from any AI agent: import, edit, validate, run scenarios, read metrics.

  Community remotestreamable-http data-analyticstesting

• openapi-navigator

  io.github.mgaruccio/openapi-navigator

  Navigate and query OpenAPI specs with fuzzy search, pagination, and API testing

  Community pypistdio api-integrationsearchtesting

• operant-mcp

  io.github.operantlabs/operant-mcp

  Security testing MCP server for penetration testing, forensics, and vulnerability assessment

  Community npmstdio securitytesting

• otterkit

  io.github.useotterkit/otterkit

  Tunnels and webhooks for AI agents: capture, await, verify, replay, and send signed test events.

  Community npmstdio api-integrationtesting

• pagent

  io.github.aihumin/pagent

  A/B testing MCP server for pagent: create, run and review A/B tests on your live website.

  Community remotestreamable-http testing

• paprika3d (the three.js toolset for coding agents)

  io.github.paprika3d/paprika3d

  Three.js MCP server: see, play, test and profile the three.js and WebGL pages your agent builds

  Community npmstdio testing

• pare-cargo

  io.github.Dave-London/pare-cargo

  Pare Cargo ג€” Structured Rust cargo operations (build, test, clippy, fmt, doc) as typed JSON.

  Community npmstdio testing

• pare-go

  io.github.Dave-London/pare-go

  Pare Go ג€” Structured Go tool output (build, test, vet, fmt, mod) as typed JSON diagnostics.

  Community npmstdio testing

• pare-test

  io.github.Dave-London/pare-test

  Pare Test ג€” Auto-detects test framework (pytest, jest, vitest, mocha), returns typed JSON.

  Community npmstdio testing

• pdf-text

  co.kymac.pdf/pdf-text

  PDF URL → extracted text for bots. Free try then prepaid TEST. https://pdf.kymac.co

  Verified domain remotestreamable-http documentstesting

• pentest-mcp-server

  io.github.cyanheads/pentest-mcp-server

  Offline methodology engine for authorized penetration testing, CTF, and security research.

  Community npmremotestdio sciencesecuritytesting

• periscope-mcp

  io.github.segentic-lab/periscope-mcp

  Web-app QA for AI agents: 73 Playwright tools — auth, E2E, a11y/SEO/GEO, Web Vitals + Lighthouse

  Community testingbrowser

• pixelletter-mcp

  io.github.bitterdev/pixelletter-mcp

  Send physical letters and faxes through the PixelLetter interface, test mode included.

  Community npmstdio testing

• playwright-report-mcp

  io.github.hubertgajewski/playwright-report-mcp

  Run Playwright tests and surface structured results for AI agents doing test failure analysis.

  Community npmstdio browsertesting

• playwright-wizard-mcp

  io.github.oguzc/playwright-wizard-mcp

  MCP server providing Playwright test generation wizard with intelligent prompts and best practices

  Community npmstdio browsertesting

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.