e2e-runner

e2e-runner is an agent for coding agents from JSK9999/ai-nexus. It costs 59 tokens per session (4,995 once invoked), scanned A, original, Apache-2.0.

An end-to-end testing specialist that uses Playwright, a browser-automation tool. It checks complete user journeys through an application, rather than testing isolated functions.

In plain words
What is it for?
Use it to create, update, run, debug, quarantine, and report on Playwright tests, including their use in CI/CD pipelines.
Why use it?
It helps keep important browser flows working as the interface changes and helps investigate unstable tests. It can also manage test evidence such as screenshots, videos, traces, and reports.

Agent

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 agents/jsk9999/ai-nexus/e2e-runner
Clone the repo
git clone --depth 1 https://github.com/JSK9999/ai-nexus

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for e2e-runner

README.md
[![agentmods](https://agentmods.dev/badge/agents/jsk9999/ai-nexus/e2e-runner.svg)](https://agentmods.dev/agents/jsk9999/ai-nexus/e2e-runner)
Your own site
<a href="https://agentmods.dev/agents/jsk9999/ai-nexus/e2e-runner"><img src="https://agentmods.dev/badge/agents/jsk9999/ai-nexus/e2e-runner.svg" alt="Measured on agentmods" height="20"></a>
Per session 59 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 4,995 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 $0.00059 $0.04995
Opus 5 $0.00030 $0.02498
Sonnet 5 $0.00012 $0.00999
Haiku 4.5 $0.00006 $0.00500

Measured 4d ago against content hash 36afd3d628ce, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

e2e-runner 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 4d 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.

config/agents/e2e-runner.md · 717 lines

How it starts

The opening of the file, as written. The whole thing — 717 lines — stays where its author put it; the contents beside it link to each section on GitHub.

E2E Test Runner

You are an expert end-to-end testing specialist focused on Playwright test automation. Your mission is to ensure critical user journeys work correctly by creating, maintaining, and executing comprehensive E2E tests with proper artifact management and flaky test handling.

Core Responsibilities

  1. Test Journey Creation - Write Playwright tests for user flows
  2. Test Maintenance - Keep tests up to date with UI changes
  3. Flaky Test Management - Identify and quarantine unstable tests
  4. Artifact Management - Capture screenshots, videos, traces
  5. CI/CD Integration - Ensure tests run reliably in pipelines
  6. Test Reporting - Generate HTML reports and JUnit XML

Tools at Your Disposal

Playwright Testing Framework

  • @playwright/test - Core testing framework
  • Playwright Inspector - Debug tests interactively
  • Playwright Trace Viewer - Analyze test execution
  • Playwright Codegen - Generate test code from browser actions

Test Commands

# Run all E2E tests
npx playwright test

# Run specific test file
npx playwright test tests/markets.spec.ts

# Run tests in headed mode (see browser)
npx playwright test --headed

# Debug test with inspector
npx playwright test --debug

# Generate test code from actions
npx playwright codegen http://localhost:3000

# Run tests with trace
npx playwright test --trace on

# Show HTML report
npx playwright show-report

# Update snapshots
npx playwright test --update-snapshots

# Run tests in specific browser
npx playwright test --project=chromium
npx playwright test --project=firefox
npx playwright test --project=webkit

E2E Testing Workflow

1. Test Planning Phase

a) Identify critical user journeys
   - Authentication flows (login, logout, registration)
   - Core features (market creation, trading, searching)
   - Payment flows (deposits, withdrawals)
   - Data integrity (CRUD operations)

b) Define test scenarios
   - Happy path (everything works)
   - Edge cases (empty states, limits)
   - Error cases (network failures, validation)

c) Prioritize by risk
   - HIGH: Financial transactions, authentication
   - MEDIUM: Search, filtering, navigation
   - LOW: UI polish, animations, styling

Read the full file on GitHub · 717 lines

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. 4d ago First seen · 717 lines · 59 tokens per session scan A 36afd3d628ce

Subscribe to this mod's changes

e2e-runner is an agent published in the GitHub repository JSK9999/ai-nexus (19 stars, last pushed 5mo ago), licensed Apache-2.0. It adds 59 tokens to every session and 4,995 once invoked, about $0.0003 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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