Testing MCP servers

n2400813g/blop-mcp

MCP server Claude CodeCodexCursor +2

MCP-native release confidence control plane for web apps. Runs locally from the blop-mcp Python package.

agentspan-ai/mcp-testkit

MCP server Claude CodeCodexCursor +2

MCP test server with 65 deterministic tools for protocol testing. Runs locally from the mcp-testkit Python package.

tacoda/keystone-mcp

MCP server Claude CodeCodexCursor +2

Keystone Harness Manager — the end-to-end harness manager for any project. MCP server that owns the full lifecycle: scaffold, sensors, actions, playbooks, skills, cascade verify, and forward-only shipped-template patches. Runs locally from the keystone-mcp Python package.

BrosnanYuen/symbolic_math_mcp

MCP server Claude CodeCodexCursor +2

FastMCP server for validating symbolic math YAML files with symbolic-math-verify. Runs locally from the symbolic_math_mcp Python package.

gong8/sentinel-oss

MCP server Claude CodeCodexCursor +2

MCP server "test-runner" as configured in gong8/sentinel-oss. Runs packages/mcp-test-runner/dist/index.js with node. Needs 1 environment variable to run.

affix/EvolutionMCP

MCP server Claude CodeCodexCursor +2

Modal-backed MCP server for parallel evaluation of agent-generated code variants. Runs locally from the evolution-mcp Python package.

aawhan0/Faultline

MCP server Claude CodeCodexCursor +2

Multi-mode silent-failure testing for AI agents — break their tools, fuzz their inputs, replay their traces, mine their rules, and catch the 200-OK-but-wrong your evals miss. Runs locally from the faultline Python package.

kanishka-namdeo/electron-mcp

MCP server Claude CodeCodexCursor +2

MCP server for testing Electron applications using Playwright. Runs locally from the @kanishka-namdeo/electron-mcp-server npm package. Needs 2 environment variables to run.

dil-anoojibettu/k6-mcp-server

MCP server Claude CodeCodexCursor +2

K6 Load Testing MCP Server for performance testing. Runs locally from the k6-mcp-server Python package.

guyco6742/cypress-runner-mcp

MCP server Claude CodeCodexCursor +2

MCP server "cypress-mcp-server" as configured in guyco6742/cypress-runner-mcp. Runs locally from the cypress-mcp-server npm package.

Zubair-z/VERDICT-MCP

MCP server Claude CodeCodexCursor +2

Structured, sandboxed verification feedback for coding agents. An MCP server that turns raw test/lint output into tiny, typed verdicts with failure fingerprints and history. Runs locally from the verdict-mcp Python package.

lukmanbaidhowi/wishmock

MCP server Claude CodeCodexCursor +2

gRPC and connect RPC mock server with hot reload, and rule-based responses. Runs locally from the wishmock npm package.

vinsenzo83/recluse

MCP server Claude CodeCodexCursor +2

🕷️ RECLUSE — autonomous web-contract verification as an MCP server. Spider checklist, live-contract query templates + detection signals, severity tiering (King/Mid/Baby), weave planning, and a self-evolving collective learned-patterns corpus for any MCP. Runs locally from the recluse-mcp npm package.

Ravindrabisht12/axe-devtool-mcp

MCP server Claude CodeCodexCursor +2

MCP server that runs axe-core accessibility scans (via Playwright) on URLs and HTML, for use with Claude Code and other MCP clients. Runs locally from the axe-devtools-mcp npm package.

prakhar-gahlot/TestMu-AI-Test-Manager-MCP

MCP server Claude CodeCodexCursor +2

MCP server "lambdatest-test-manager-mcp" as configured in prakhar-gahlot/TestMu-AI-Test-Manager-MCP. Runs locally from the lambdatest-test-manager-mcp npm package.

youichi-uda/crx-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Chrome extension testing — access chrome.storage, Service Workers, declarativeNetRequest and more from AI coding agents. Runs locally from the crx-mcp npm package.

smy383/linktest-mcp

MCP server Claude CodeCodexCursor +2

MCP server for LinkTest — automate Google Play closed testing via AI. Runs locally from the linktest-mcp-server npm package.

rayven122/mcp-ie-migration-vrt

MCP server Claude CodeCodexCursor +2

MCP server for paired Edge IE mode and Chromium Edge visual regression testing. Runs locally from the @rayven122/mcp-ie-migration-vrt npm package.

hzbhzb/whistle-mcp

MCP server Claude CodeCodexCursor +2

MCP Server for whistle - AI-driven mock data management. Runs locally from the whistle-mcp npm package.

vibeglitch/mcp_mock

MCP server Claude CodeCodexCursor +2

Synthetic mock server and testing suite for Model Context Protocol (MCP). Runs locally from the mcp-mock Python package.

perfsage/perfsage-jmeter-mcp

MCP server Claude CodeCodexCursor +2

PerfSage JMeter MCP - self-healing JMeter environments, auto-correlated scripts, adaptive workload discovery, and SLO-aware analysis for LLM agents. Runs locally from the perfsage-jmeter-mcp Python package.

cdywolf/llm-eval-mcp

MCP server Claude CodeCodexCursor +2

MCP server "llm-eval-mcp" as configured in cdywolf/llm-eval-mcp. Runs locally from the llm-eval-mcp Python package.

SiamAlSobari/ai-web-tester

MCP server Claude CodeCodexCursor +2

Autonomous browser testing engine & MCP toolset for AI coding agents. Runs locally from the ai-web-tester npm package.

runitsolutions/mcp-kiwi-tcms

MCP server Claude CodeCodexCursor +2

MCP server "mcp-kiwi-tcms" as configured in runitsolutions/mcp-kiwi-tcms. Runs locally from the mcp-kiwi-tcms Python package.