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 1 to 30 of 355

• .NET MCP Server

  io.github.jongalloway/dotnet-mcp

  AI assistant access to .NET SDK for projects, packages, building, testing, and development tools.

  Community developer-toolstesting

• 369 Meter — pay-per-call APIs for agents (x402)

  io.github.369369yz-collab/meter369

  Pay-per-call APIs for agents: text analysis, game facts, translation QA, hook scoring via x402.

  Community remotestreamable-http gamingtestingtranslation

• 64 Types: personality test

  io.github.zachhhhh/64types

  Free science-based personality test: 64 types from Big Five + HEXACO, with cited profiles.

  Community remotestreamable-http testing

• 6Frame Verify

  io.github.bret1976/6frame-verify

  Pre-launch website QA in 60s via real Chromium. $3/check; agents can pay in USDC (x402).

  Community remotestreamable-http testing

• A/B Test Sample Size Calculator MCP

  io.github.theluckystrike/ab-test-sample-size-calculator-mcp

  Exact A/B test sample size, duration, z-test, chi-square, Fisher-Freeman-Halton and peeking risk.

  Community remotestreamable-http testingtime

• ATK Magazine (sample content)

  io.github.firekou/atk-magazine

  [SAMPLE / TEST CONTENT] Search ATK Magazine; articles $0.20 USDC on Base mainnet via x402.

  Community remotestreamable-http searchtesting

• AWT (AI Watch Tester)

  io.github.ksgisang/awt

  AI-powered E2E testing MCP server. Detects and auto-fixes UI bugs via DevQA Loop and Vision AI.

  Community pypistdio testingdesign

• Account Pool

  io.github.ankitsxchdeva/account-pool-mcp

  Exclusive, crash-safe leases on a pool of test accounts for parallel agent QA runs.

  Community npmstdio testing

• Agent Conversion — AI Website Conversion Testing

  io.github.Ivanpq98/agent-conversion

  Test whether AI agents complete SaaS pricing, signup or sales journeys; get evidence-backed reports.

  Community remotestreamable-http testingcrm

• Agent Residue Evidence

  io.github.fantasyce/agent-residue-evidence

  Report local task-scoped test and build residue without cleaning resources.

  Community testing

• Agent Tools MCP

  io.github.why-see/agent-tools-mcp

  32 free MCP tools for data validation, text optimization, and synthetic test data.

  Community remotestreamable-http testing

• AgentTwin

  io.github.AgentTwin/agenttwin

  Test AI agent workflows against service twins with injected faults. Runs locally; no source upload.

  Community npmstdio automationtesting

• AgentTwin Documentation

  io.github.AgentTwin/agenttwin-docs

  Search AgentTwin agent testing guides, Node CLI commands and supported synthetic service contracts.

  Community remotestreamable-http developer-toolssearchtesting

• AgentVault

  io.github.motiveflowllc/agentvault

  Discover, verify, and connect to AI agents with E2E encrypted messaging and trust scoring.

  Community npmstdio communicationtesting

• Agentzia

  io.github.stoyan-stoyanov/agentzia

  Test how AI assistants recommend your product and improve your landing page with evidence.

  Community remotestreamable-http testing

• AndroidMCP Framework

  io.github.kshivam1177/androidmcp-framework

  MCP server and CLI for Android development and change-aware Android and Flutter testing workflows.

  Community npmstdio automationtesting

• Anode background Windows desktop

  io.github.skulitom/anode

  Background Windows desktop for AI agents: native GUI automation, screenshots and app testing.

  Community automationtesting

• Archicad

  io.github.alesdev88/archicad-mcp

  Delivery-readiness QA and full official + Tapir API access for a running Archicad 29.

  Community api-integrationtesting

• Ardor

  io.github.NTRanch/ardor

  NTRanch maker MCP: authoring, safety gates, playtest QA and release handoffs for adult games/apps.

  Community testing

• Argus Console — AI Agent Test Lab

  io.github.igor-vii/argus-console

  Adversarial testing for AI agents that move money: engine battery, Ed25519-sealed verdict reports.

  Community remotestreamable-http testing

• Argus — Testing for Coding Agents

  io.github.chriswu727/argus

  Testing MCP for coding agents: exercise real user journeys, find bugs, verify them with evidence.

  Community pypistdio testing

• ArtifactGuard Signed AI Deliverable QA

  io.github.blackcow4234-lab/artifactguard

  Signed PASS/WARN/FAIL QA receipts for AI-generated JSON, ZIP, PDF, and DOCX deliverables.

  Community remotestreamable-http documentstesting

• AutoKeren MCP

  io.github.autokeren/mcp

  AI video studio for agents — script to MP4, b-roll sourcing, Gemini QA. 43 tools.

  Community remotestreamable-http ai-modelstestingvideo

• Backtester

  io.github.morshedgit/backtester

  Test a plain-words trading rule on historical prices and compare the trades with SPY. Not advice.

  Community remotestreamable-http financetesting

• Before Users Do

  io.github.bhuman-ai/beforeusersdo

  Browser-backed QA with evidence and fix-ready reports for coding agents.

  Community remotestreamable-http testing

• Bellchain

  io.github.bellchain-app/mcp

  Crypto alert chains in your AI assistant: check alerts, test ideas with the replay, build chains.

  Community npmstdio cryptotesting

• Bitrise

  io.github.bitrise-io/bitrise-mcp

  Set up & manage mobile CI/CD on Bitrise: build, test, distribute iOS, Android, Flutter, RN apps.

  Community remotestreamable-http devopstesting

• Bright Security

  io.github.NeuraLegion/mcp

  AI-powered application security testing — scan APIs, discover endpoints, and find vulnerabilities.

  Community remotesse securitytesting

• BugBug

  io.github.bugbug-io/mcp

  BugBug test automation workflows for AI agents

  Community remotestreamable-http automationtesting

• BugMojo

  io.github.viveksinra/bugmojo

  Bug tracking for AI agents: session replay, console/network logs, repro packs, test plans, evidence.

  Community npmremotestdio monitoringtesting

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.