exploratory-testing-advanced

exploratory-testing-advanced is a skill for Claude Code, Codex from summarybotng/summarybot-ng. It costs 45 tokens per session (1,647 once invoked), scanned A, original, MIT.

A structured method for exploring software to find problems that planned test cases may miss. It uses time-limited missions, investigation prompts, different ways to navigate the product, and notes about what was discovered.

In plain words
What is it for?
Use it to plan exploration sessions, examine unfamiliar systems, investigate changed features, record evidence, and discuss findings afterward.
Why use it?
It makes exploratory testing more deliberate than random clicking and helps teams learn about unknown risks while investigating bugs or new features.

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/summarybotng/summarybot-ng/exploratory-testing-advanced
Any agent
npx skills add summarybotng/summarybot-ng --skill exploratory-testing-advanced
Clone the repo
git clone --depth 1 https://github.com/summarybotng/summarybot-ng

Made for: Claude Code, Codex.

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 exploratory-testing-advanced

README.md
[![agentmods](https://agentmods.dev/badge/skills/summarybotng/summarybot-ng/exploratory-testing-advanced.svg)](https://agentmods.dev/skills/summarybotng/summarybot-ng/exploratory-testing-advanced)
Your own site
<a href="https://agentmods.dev/skills/summarybotng/summarybot-ng/exploratory-testing-advanced"><img src="https://agentmods.dev/badge/skills/summarybotng/summarybot-ng/exploratory-testing-advanced.svg" alt="Measured on agentmods" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,647 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 $0.00045 $0.01647
Opus 5 $0.00023 $0.00823
Sonnet 5 $0.00009 $0.00329
Haiku 4.5 $0.00005 $0.00165

Measured today against content hash fed7cd725cbe, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

exploratory-testing-advanced 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 today.

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/skills/exploratory-testing-advanced/SKILL.md · 205 lines

How it starts

The opening of the file, as written. The whole thing — 205 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Advanced Exploratory Testing

<default_to_action> When exploring software or investigating quality risks:

  1. CREATE charter with mission, scope, and time-box (45-90 min)
  2. APPLY heuristics: SFDIPOT (quality criteria), FEW HICCUPPS (consistency oracles)
  3. EXPLORE systematically using test tours (Business District, Bad Neighborhood, Historical)
  4. DOCUMENT findings in real-time with notes, screenshots, evidence
  5. DEBRIEF: What learned? What's next? Share via agent memory

Quick Heuristic Selection:

  • What to test → SFDIPOT (Structure, Function, Data, Interfaces, Platform, Operations, Time)
  • Recognize problems → FEW HICCUPPS (Familiar, Explainable, World, History, Image, Comparable, Claims, Users, Product, Purpose, Standards)
  • Navigate app → Test Tours (12 types for different exploration strategies)

Critical Success Factors:

  • Exploration is skilled, structured thinking - not random clicking
  • Document discoveries, not pre-planned test cases
  • Pair testing reveals more than solo exploration </default_to_action>

Quick Reference Card

When to Use

  • Investigating new or changed features
  • Finding bugs automation misses
  • Learning unfamiliar systems
  • Risk discovery before test planning

Session Structure (SBTM)

Phase Duration Activity
Charter 5 min Define mission, scope, focus
Explore 45-75 min Systematic investigation
Note Continuous Document findings real-time
Debrief 10-15 min Summarize, prioritize, share

SFDIPOT Heuristic (What to Test)

Letter Focus Example Questions
Structure Is it properly composed? Code structure, UI layout, data schema
Function Does it do what it should? Core features work correctly
Data Handles data correctly? CRUD, validation, persistence
Interfaces Interacts well? APIs, UI, integrations
Platform Works in environment? Browsers, OS, devices
Operations Can be used/managed? Install, config, monitor
Time Handles timing? Concurrency, timeouts, scheduling

Read the full file on GitHub · 205 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. today First seen · 205 lines · 45 tokens per session scan A fed7cd725cbe

Subscribe to this mod's changes

exploratory-testing-advanced is a skill published in the GitHub repository summarybotng/summarybot-ng (2 stars, last pushed 2mo ago), licensed MIT. It adds 45 tokens to every session and 1,647 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 2026-09-03.

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