ET
Exploratory Test Charter
🔵 Stable🕐 updated 2026-10-06
✅ 4.8/5
🔷 SkillSpec L3
pm-qa
Write session-based exploratory testing charters to find what scripted tests miss. Use when asked to plan exploratory testing, write a test charter, design a testing session, or do risk-based exploration of a feature. Produces focused charters — a mission, areas/risks to explore, tactics and oracles, and timeboxed sessions — so exploration is purposeful and accountable, not random clicking.
▶ Run it free — no key needed
📝 Grade your existing draft
⬇ Add to Claude (works in Duet)
📱 Use as an app
View SKILL.md ↗
What changed
🗣 Say this to your agent
“Plan exploratory testing.”“Write a test charter.”“Design a testing session.”“Do risk-based exploration of a feature.”
What to give it
▸The target — the feature/area and what it does.
▸Risk & concerns — what's new/changed, what's complex, and where failure would hurt most.
▸Context — users, platforms, data, and integrations involved.
▸Time available — to size and prioritise the sessions.
✅ The bar it holds itself to
Every skill in this library self-verifies — these are this skill's own quality checks, straight from its definition.
✓Each charter has a clear mission (explore X to discover Y about risk Z) — not "test the app"
✓Charters are prioritised by risk, with the rationale stated
✓Test ideas/tactics are concrete (boundaries, interruptions, bad data, roles…), not generic
✓Oracles are named so the tester can recognise a problem
✓Sessions are timeboxed and sized to the available time
✓A lightweight reporting structure (coverage + findings) is included
⚠️ What it refuses to do
Do not write "explore the feature" with no mission, areas, or oracles — that's aimless clicking
Do not skip prioritisation — explore the riskiest areas first
Do not turn charters into scripted step-by-step cases — exploration needs freedom within focus
Do not omit oracles — without them a tester can't tell right from wrong
Do not leave sessions open-ended — timebox them so coverage is accountable
Install
npx pm-claude-skills add --agent claude # or codex · cursor · gemini · hermes
# or one-line MCP (every skill, any client):
claude mcp add pm-skills -- npx -y -p pm-claude-skills pm-claude-skills-mcpRelated skills
🔌 Embed this skill
Drop this on your blog, docs, or site — it renders a "Run this skill" card:
<div data-pm-skill="exploratory-test-charter"></div>
<script src="https://mohitagw15856.github.io/pm-claude-skills/embed.js" async></script>💬 Discussion
Exploratory Test Charter is one of 1326 open-source professional AI agent skills — all SkillSpec L3.
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