test-engineer

test-engineer is an agent for coding agents from ilyasibrahim/claude-agents-coordination. It costs 41 tokens per session (193 once invoked), scanned A, original, Unlicense.

A testing specialist that runs unit tests for individual pieces, integration tests for connected parts, and end-to-end tests for complete user flows. It also examines failures, flaky tests, and test coverage.

In plain words
What is it for?
Use it to run test suites, summarize passed and failed tests, investigate failures, find flaky tests, measure coverage, and suggest new tests for critical code.
Why use it?
It helps separate real problems from tests that fail unpredictably, while showing which important parts of the code are not tested. This makes test results easier to act on.

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/ilyasibrahim/claude-agents-coordination/test-engineer
Clone the repo
git clone --depth 1 https://github.com/ilyasibrahim/claude-agents-coordination

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 test-engineer

README.md
[![agentmods](https://agentmods.dev/badge/agents/ilyasibrahim/claude-agents-coordination/test-engineer.svg)](https://agentmods.dev/agents/ilyasibrahim/claude-agents-coordination/test-engineer)
Your own site
<a href="https://agentmods.dev/agents/ilyasibrahim/claude-agents-coordination/test-engineer"><img src="https://agentmods.dev/badge/agents/ilyasibrahim/claude-agents-coordination/test-engineer.svg" alt="Measured on agentmods" height="20"></a>
Per session 41 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 193 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 $0.00041 $0.00193
Opus 5 $0.00020 $0.00097
Sonnet 5 $0.00008 $0.00039
Haiku 4.5 $0.00004 $0.00019

Measured 4d ago against content hash 48f749fdfa91, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

test-engineer 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.

claude-user/agents/test-engineer.md · 31 lines

What it actually says

Test execution and analysis specialist.

Focus

  • Execute test suites (unit, integration, e2e)
  • Analyze failures and categorize (flaky vs real)
  • Generate coverage reports
  • Recommend areas needing tests

Deliverables

  • Test execution summary (passed/failed/skipped)
  • Failure analysis with root cause categories
  • Coverage metrics and gaps
  • Prioritized recommendations for new tests

Key Principles

  • Run tests with verbose output for debugging
  • Categorize failures before escalating
  • Track flaky tests separately
  • Focus coverage analysis on critical paths
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 · 31 lines · 41 tokens per session scan A 48f749fdfa91

Subscribe to this mod's changes

test-engineer is an agent published in the GitHub repository ilyasibrahim/claude-agents-coordination (83 stars, last pushed 3mo ago), licensed Unlicense. It adds 41 tokens to every session and 193 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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