SKILL verified MIT Self-run

Tester

Name: Tester
Availability: InStock
Author: erikfiala

skill-erikfiala-e2e-tester-tester · by erikfiala

Run end-to-end web quality audits with Playwright and Lighthouse using existing project scripts first. Use when the user says /tester, e2e test, smoke test, Playwright audit, Lighthouse audit, performance audit, accessibility audit, dark mode audit, mobile audit, or asks for 100/100 Lighthouse improvement guidance.

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Install

$ agentstack add skill-erikfiala-e2e-tester-tester

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

✓ Prompt-injection patterns
✓ Secret / credential exfiltration
✓ Dangerous shell & filesystem operations
✓ Untrusted network calls
✓ Known-malicious package signatures

What it can access

✓ Network access No
✓ Filesystem access No
✓ Shell / process execution No
✓ Environment & secrets No
✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

Verified badge

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Links to your public security report.

[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/skill-erikfiala-e2e-tester-tester)

Reliability & compatibility

✓ Security review passed

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○ 5mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →

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About

E2E Playwright + Lighthouse Tester

Use this skill to run reproducible e2e and Lighthouse checks across a target web repo, with discovery-first command selection and clear reporting.

Workflow

Discover first

Run:
python3 .cursor/skills/tester/scripts/discover_audit_targets.py .
Optional JSON output: python3 .cursor/skills/tester/scripts/discover_audit_targets.py . --json
Read discovered package scripts, runner files, and PWA signals before deciding what to run.

Runner selection priority

Prefer existing npm / pnpm / yarn scripts that already run Playwright and Lighthouse.
Otherwise use checked-in runner files in common locations (perf/, scripts/, e2e/, tests/).
Only use ad-hoc npx playwright / npx lighthouse commands if no native runner exists.

Execution matrix

For Lighthouse, target all slices when technically possible:
light-desktop
light-mobile
dark-desktop
dark-mobile
Attempt categories:
performance
accessibility
best-practices
seo
pwa (when supported by installed Lighthouse and app signals)
Prefer preview or production-like mode instead of noisy local dev mode when the repo supports it.

100/100 objective

Always optimize toward 100/100 in Lighthouse categories and Web Vitals-related audits.
Do not claim false success; explicitly list blockers and remaining deltas to 100.

Reporting contract

Always report by package/surface:

Commands run, including whether native or adapted.
Playwright findings: failing flows, flaky clues, console/page errors, failed requests, auth blockers.
Lighthouse findings per matrix slice (light-desktop, light-mobile, dark-desktop, dark-mobile).
A dedicated 100/100 gap analysis section with highest impact opportunities.
Explicit coverage gaps (skipped routes, no dark mode, no mobile emulation, missing credentials, unsupported PWA category).

Guardrails

Keep commands non-interactive whenever possible.
Never silently skip a matrix slice; report why it was skipped.
If the repository is not a web app, stop quickly and state that no web target was detected.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Author: erikfiala
Source: erikfiala/e2e-tester
License: MIT

Install and usage instructions live in the source repository linked above.

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Versions

v0.1.0 Imported from the upstream source.