write-e2e-test

A skill for creating and checking end-to-end tests, which test a complete user journey through an application, using Playwright.

In plain words
What is it for?
Use it to identify important journeys, write Playwright tests, run them against the test app, and update them as the app changes.
Why use it?
It helps verify that features work through the interface, including expected results, error handling, and visual details.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/bitovi/convey/write-e2e-test
Any agent
npx skills add bitovi/convey --skill write-e2e-test
Clone the repo
git clone --depth 1 https://github.com/bitovi/convey

Made for: Claude Code, Codex.

Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 472 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00040 $0.00472
Opus 5 $0.00020 $0.00236
Sonnet 5 $0.00008 $0.00094
Haiku 4.5 $0.00004 $0.00047

Measured 2d ago against content hash 64d764f90534, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

write-e2e-test scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.github/skills/write-e2e-test/SKILL.md · 62 lines

What it actually says

Write E2E Test Skill

Purpose

Guide the creation, maintenance, and verification of end-to-end (E2E) tests for the test-app using Playwright MCP.


When to Use

  • A new feature or flow is implemented and needs E2E coverage
  • Updating or refactoring existing flows
  • Verifying UI and functional correctness across user journeys

Workflow

  1. Identify Test Scenarios

    • Review the feature spec, user story, or acceptance criteria
    • List critical user journeys, edge cases, and error paths
  2. Set Up Playwright MCP

    • Ensure Playwright MCP is configured for the test-app
    • Start the test-app and MCP server if not already running
  3. Write E2E Test

    • Create a new Playwright test file in /test-app/e2e/
    • Use Playwright MCP to record or script the test, covering:
      • Main user flows
      • Edge cases and error handling
      • Visual verification (screenshots, assertions)
  4. Run and Verify

    • Execute the E2E test(s) against the running test-app
    • Use Playwright MCP to:
      • Validate UI state and visual correctness
      • Assert expected outcomes and error messages
    • Fix any issues or update tests as needed
  5. Maintain and Document

    • Update tests when features or flows change
    • Document test coverage and known gaps

Checklist

  • Test scenarios identified from feature spec/user story
  • Playwright MCP configured and running
  • E2E test file created in /test-app/e2e/
  • Main flows, edge cases, and errors covered
  • Visual and functional assertions included
  • Test passes against running test-app
  • Test documented and referenced in feature/skill
  • debug-e2e-test: Debug and fix failing tests
  • debugging: Verify error-free UI before testing
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 62 lines · 40 tokens per session scan A 64d764f90534

Subscribe to this mod's changes

write-e2e-test is a skill published in the GitHub repository bitovi/convey (46 stars, last pushed 16d ago), licensed MIT. It adds 40 tokens to every session and 472 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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