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#qa

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01 Jun 11, 2026 17 min read

Why skipping QA on a project almost always costs more than it seems

QA isn't an add-on. Skipping quality assurance leads to delays, bugs, chaos and lost user trust. Here's why it almost never pays off.

qa quality
Grzegorz Holak
02 Jun 10, 2026 8 min read

The /goal command in Claude Code - a session contract that won't let the agent give up

How /goal in Claude Code enforces completion through a session-scoped Stop hook. Pros, cons, when to use it, how to phrase the condition, and why it matters for QA.

claude-code ai
Grzegorz Holak
03 Jun 9, 2026 14 min read

Issues per Release - a code-maturity gauge

How to roll out Issues per Release from scratch, why it's a metric of the development process and not just QA, and how it reshapes the conversation with the Engineering Manager. Article 4 of 9.

qa metrics
Filip Barszcz
04 Jun 2, 2026 14 min read

Escaped Bugs and Problems - the full spectrum of what reaches production

Bugs in the code are only part of the story. The full taxonomy of escaped problems - code, infrastructure, configuration, integrations, regressions - the cost of each type and how to measure it. Article 3 of 9.

qa metrics
Filip Barszcz
05 May 26, 2026 15 min read

Defect Detection Ratio - how to measure effectiveness before anything reaches production

A deep guide to Defect Detection Ratio - basic and weighted formula, interpretation thresholds, historical data, seasonality, three traps and ready-to-use lines for the boardroom.

qa metrics
Filip Barszcz
06 May 19, 2026 12 min read

QA metrics the business actually wants to hear

A complete guide to transforming QA reporting - from counting bugs to speaking the language of outcomes and business decisions. Five metrics, three pillars, one model.

qa metrics
Filip Barszcz
07 Apr 30, 2026 11 min read

A skill for filing bugs in Jira through Atlassian MCP

How to build a skill that turns your „hey, something's broken on checkout” into a complete Jira ticket - with evidence, dedupe, and without polluting the project. No autopilot agent, a deliberate human confirm in the middle.

ai qa
Grzegorz Holak
08 Apr 28, 2026 9 min read

How testers should evaluate agent output

Five dimensions for evaluating agent output, a checklist you can walk in fifteen minutes, and situations where you just send the result back without a lengthy debate.

ai qa
Grzegorz Holak
09 Apr 24, 2026 9 min read

10 AI workflows that actually help a Test Architect

Ten concrete workflows - from test strategy review to the decision not to automate - each deployable in a week and usable every day.

ai qa
Grzegorz Holak
10 Apr 23, 2026 11 min read

First MCP for QA: search and fetch over evidence

How to start with MCP in QA from the simplest possible pair of tools - search and fetch over evidence. No autonomy, no loops, just a structure you can maintain.

ai qa
Grzegorz Holak
11 Apr 22, 2026 9 min read

How to write AGENTS.md for a test automation repo

What to put in AGENTS.md for a test automation repo, common pitfalls, templates for Playwright, Cypress, and API tests, and how to tell if the file actually helps.

ai qa
Grzegorz Holak
12 Apr 19, 2026 8 min read

Skills, tools, agents, MCP, AGENTS.md - a concept map for testers

Five concepts that get confused most often in QA conversations about AI - plus a simple decision model for what to use when.

ai qa
Grzegorz Holak