Testing

20,045 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.

verify-msp-skills

385

Servosity/msp-skills

Skill Claude Code

Drive one msp-skills connector (skills/ , any of the 84) the way a user does and prove it with evidence: install.sh, the -cli CLI, and the -mcp server over stdio and over HTTP, in an isolated HOME against a local fake vendor. Use to check a connector's user path before or after a reprint, to compare press versions…

not rated 72 +4 changed 4d ago A 109 tokens

Kaggle/kaggle-skills

Skill Claude CodeCodex

Write, push, run, publish, and manage Kaggle Benchmark tasks using the kaggle CLI and the kaggle-benchmarks Python SDK. Use when the user wants to create or push a benchmark task (optionally with attached Kaggle datasets), run benchmarks against LLM models, check task/run status, stream or fetch execution logs…

not rated 71 +2 2mo ago A SkillSpector: warn 95 tokens original Apache-2.0

evalbench-review

387

GoogleCloudPlatform/evalbench

Skill Claude Code

Review a change in the EvalBench repo for (a) does it actually work — verified by running the tests and style checks, (b) does it follow EvalBench architecture — base-class contracts, config-key registration, PYTHONPATH-relative imports, sandbox isolation, concurrency safety, docs, (c) does it still build and deploy …

not rated 71 +4 changed 23d ago A SkillSpector: warn 170 tokens original Apache-2.0

scout

388

tester-army/scout

Skill Claude CodeCodex

Safely explore and adversarially test an authorized HTTP API using the scout CLI, with or without an OpenAPI spec. Use when asked to test, probe, validate, or explore an API, whether or not an OpenAPI/Swagger spec is available. Scout is the harness; you are the operator.

not rated 70 4d ago A 65 tokens original MIT

using-axis

389

netlify/axis

Skill Claude CodeCodex

Run AXIS, read its reports, navigate its project layout, and interpret scores. Use when the user asks to run AXIS, invoke the CLI, run a specific profile or suite, compare runs, explain a score, find a regression, manage baselines, or understand where AXIS writes its files.

not rated 68 +1 changed 1mo ago A SkillSpector: warn 65 tokens original MIT

flutter-tester

390

Harishwarrior/flutter-claude-skills

Skill Claude CodeCodex

Use when creating, writing, fixing, or reviewing tests in a Flutter project. Covers unit tests, widget tests, integration tests, Riverpod provider testing, and Mockito mocking. Provides Given-When-Then patterns, layer isolation strategies, and test setup for GetIt, SharedPreferences, and FakeDatabase.

not rated 68 7d ago A Socket: passSnyk: passSkillSpector: pass 65 tokens original MIT

tricorder-cli

391

tweag/tricorder

Skill Claude Code needs its repo

Full CLI reference for the tricorder daemon (build diagnostics, test results, source lookup, eval comments, logs). This is the fallback invoked by the tricorder skill when the tricorder-mcp MCP tools aren't available or aren't working — invoke tricorder first; it decides whether this is needed.

not rated 68 changed 26d ago A 67 tokens original MIT

mcp

393

mailtrap/mailtrap-mcp

MCP server Claude CodeCodexCursor +2

Official MCP Server for Mailtrap. Runs locally from the mcp-mailtrap npm package. Needs 2 environment variables to run.

not rated 66 yesterday A tokens not measured original MIT

test-writer

394

anchildress1/awesome-github-copilot

Skill Claude CodeCodex

Write, extend, or review tests in any codebase. Use this skill whenever the user asks to write tests, add test coverage, test a new feature, fix failing tests, or audit existing test files — regardless of language, framework, or project. Also trigger for "add tests for", "write tests for", "cover this with tests"…

not rated 66 1mo ago A SkillSpector: pass 130 tokens original MIT

cyboflow-task-verify

396

kesteva/cyboflow

Agent Claude Code

Sprint task-verify subagent. Checks the diff against the task's acceptance criteria and returns a PASS/FAIL verdict with per-criterion evidence for the orchestrator's loopback decision. On PASS it also composes the visual-verification task (or declares one not applicable) for the central visual verifier. Never writes…

not rated 65 changed 1mo ago A 77 tokens original MIT

BetterThanTomorrow/calva-backseat-driver

Skill Claude CodeCodex

Testing strategies for Calva Backseat Driver MCP tools. Use when: Testing Backseat Driver, validating tool updates, testing structural editing workflows, verifying REPL evaluation with who-tracking, testing shadow-cljs runtime discovery and targeting, testing output log filtering, testing load-file tool, smoke testing…

not rated 65 changed 20d ago A SkillSpector: pass 106 tokens original MIT

agent-inbox

398

gsd-build/agent-inbox

Skill Claude CodeCodex

Create temporary email inboxes and receive emails for testing auth flows, email verification, account confirmation, and any scenario where an AI agent needs to receive an email. Uses the agent-inbox MCP server with mail.tm + 1secmail fallback.

not rated 64 7mo ago A 54 tokens original MIT

sbce

399

AdamBien/airails

Skill Claude Code

Spec-driven BCE workflow where one capability spec equals one business component (same name) and the spec is the boundary contract. Invoked as /sbce new|apply (or by intent), it drives declare → converge; the stack's own test loop is the oracle for "done". new accepts a BC name or a natural-language feature…

not rated 63 +2 changed 10d ago A SkillSpector: pass 215 tokens original MIT

detection-engineering

400

gensecaihq/Wazuh-Autopilot

Skill Claude Code

Design, backtest and tune detections as code — ADS-documented Sigma or Wazuh rules with ATT&CK coverage — and submit them via proposedetection for human review; use for detection gaps, recurring false positives or new TTPs from hunts and incidents.

not rated 63 +2 1mo ago A 59 tokens original MIT

run-agent-tests

401

munch2u-a11y/Helix-AGI

Skill Claude CodeCodex

Run a user-requested Helix benchmark or deterministic prompt-case evaluation through installed coding-agent CLIs and report reproducible results.

not rated 63 17d ago A 29 tokens original Apache-2.0

python-testing

402

virgo777/buddyme

Skill Claude CodeCodex

A guide to testing Python programs with pytest, a tool for running automated tests. It also explains TDD, a method of writing tests before the code they check, along with fixtures, mocks, parameterized tests, and coverage.

not rated 62 7d ago A 40 tokens

workshop-testing

403

dotnet-presentations/ai-workshop

Skill Claude CodeCodex

Walk through the .NET AI Workshop as an attendee to validate that the READMEs, commands, and code snapshots still work. USE FOR: testing the workshop, testing a specific Part, dry-running the labs, verifying a README against its snapshot, reconciling or refreshing code snapshots, producing a workshop test report. DO…

not rated 62 +2 changed 1mo ago A SkillSpector: warn 95 tokens original MIT

codex-test-bridge

404

msrv-tech/skills

Skill Claude CodeCodex

An HTTP bridge for demo and test 1C databases. It can replace a COM connection when working with test data and external 1C reports or print forms.

not rated 62 changed 1mo ago A 80 tokens

node-testing

405

gleanwork/mcp-server

Cursor rule Cursor

Always prefer inline snapshot matching whenever possible. If necessary, have local normalization/sanitization functions to replace things that are noisy or unstable, like timestamps or error stacks.

not rated 62 4mo ago A 0 tokens original MIT archived

verify

406

IBM/galaxium-travels

Skill Claude CodeCodex needs its repo ✓ vendor

Run verification checks for the galaxium-travels repo. Use after every implementation. Use when the user asks to verify, validate, run tests, check lint, or confirm that changes are correct. Knows which checks are cheap (ruff, pytest, frontend lint) vs expensive (e2e). Runs cheap checks by default; only runs e2e when…

not rated 61 +1 yesterday A SkillSpector: pass 85 tokens original Apache-2.0

automated-e2e-testing

407

fishzjp/qa-skills

Skill Claude CodeCodex needs its repo

A workflow for turning manual web-app test cases into Playwright end-to-end tests and running them. End-to-end tests check a complete user flow through the website.

not rated 61 +3 changed 1mo ago A SkillSpector: warn 112 tokens original MIT

Zaoqu-Liu/ScienceClaw

Skill Claude CodeCodex

Create high-quality ToolUniverse skills following test-driven, implementation-agnostic methodology. Integrates tools from ToolUniverse's 1,264+ tool library, creates missing tools when needed using devtu-create-tool, tests thoroughly, and produces skills with Python SDK + MCP support. Use when asked to create new…

not rated 60 7mo ago A 90 tokens 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: