Testing

18,481 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

blop-mcp

1537

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.

not rated 1 19d ago A tokens not measured

agentation-qa-skill

1538

WtecHtec/agentation-qa-skill

Skill Claude CodeCodex

A QA workflow for testing software changes and fixing reported bugs through an MCP server. QA means checking that software works as expected before release.

not rated 1 3mo ago A 67 tokens

truth

1539

blasrodri/truth

Plugin Claude Code

Bundles 3 hooks, 1 MCP server

Fact-check every agent turn against the real code, the working-tree git diff, and recorded test runs. Deterministic, cited Supported/Contradicted/Refused verdicts — contradictions block the turn so the agent corrects itself before you read it. Requires the truth binary (the SessionStart hook tells you how to install…

not rated 1 2mo ago A tokens not measured original MIT

mcp-testkit

1540

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.

not rated 1 26d ago A tokens not measured original MIT

keystone-sensor-runner

1541

tacoda/keystone-mcp

Skill Claude CodeCodex

Run every applicable sensor and produce a unified PASS/FAIL report.

not rated 1 2mo ago A 13 tokens original MIT archived

symbolic_math_mcp

1542

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.

not rated 1 1mo ago A tokens not measured GPL-3.0

test-runner

1543

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.

not rated 1 25d ago A tokens not measured AGPL-3.0

evolution-mcp

1544

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.

not rated 1 6mo ago A tokens not measured original MIT

three-repo-load-gate

1545

lkyprogramer/codex-java-lsp-mcp

Cursor rule Cursor

A rule for testing three repositories when the one-minute system load average is below 20. A repository is a project's source-code directory, and load average indicates how much work a computer is handling.

not rated 1 yesterday A 216 tokens original Apache-2.0

python-development

1546

astrogirlnim/SkyFiMCP

Cursor rule Cursor

Modern Python development practices with type hints, testing, and AI-friendly patterns.

not rated 1 1y ago A 0 tokens original MIT

faultline

1547

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.

not rated 1 18d ago A tokens not measured

electron-mcp-server

1548

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.

not rated 1 6mo ago A tokens not measured original MIT

k6-mcp-server

1549

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.

not rated 1 1y ago A tokens not measured

cypress-mcp-server

1550

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.

not rated 1 6d ago A tokens not measured copy · 100% MIT

verdict-mcp

1551

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.

not rated 1 2mo ago A tokens not measured original MIT

ptywright-testing

1552

kingsword09/ptywright

Skill Codex

Build, run, record, replay, debug, and maintain deterministic terminal, TUI, PTY cassette, and browser-terminal agent regression tests with ptywright. Use when an agent needs to drive CLI/TUI apps, create ptywright scripts, configure ptywright.config., record or replay PTY output, solidify browser terminal agent flows…

not rated 1 3mo ago A 93 tokens original Apache-2.0

wishmock

1553

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.

not rated 1 8mo ago A tokens not measured original MIT

recluse-mcp

1554

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.

not rated 1 2mo ago A tokens not measured

danish54/kiwi-tcms-mcp-server

Skill Claude CodeCodex

Generate business-level test scenarios from a feature branch and push them to Kiwi TCMS. Use when asked to "generate tests for TICKET-XXXX", "push tests to Kiwi", or "update tests after PRD change".

not rated 1 2mo ago A 52 tokens

axe-devtools-mcp

1556

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.

not rated 1 2mo ago A tokens not measured original MIT

crx-mcp

1559

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.

not rated 1 6mo ago A tokens not measured original MIT

linktest-mcp-server

1560

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.

not rated 1 5mo ago A tokens not measured original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: