exploratory-testing

exploratory-testing is a skill for Claude Code from atagon-GmbH/kogiqa-mcp. It costs 41 tokens per session (299 once invoked), scanned A, original, MIT.

A time-limited browser testing procedure that explores a web app with unusual inputs and interactions to find defects. It checks forms, controls, accessibility, and browser errors rather than following only a fixed script.

In plain words
What is it for?
Use it to test empty, oversized, malformed, Unicode, and other boundary inputs, then report reproducible findings with severity.
Why use it?
It can reveal edge cases and inconsistencies that ordinary happy-path checks miss.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the kogiqa-browser plugin — 5 skills, 3 commands shipped together

Good fit Use it to test empty, oversized, malformed, Unicode, and other boundary inputs, then report reproducible findings with severity.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/atagon-gmbh/kogiqa-mcp/exploratory-testing
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.

Any agent
npx skills add atagon-GmbH/kogiqa-mcp --skill exploratory-testing
Clone the repo
git clone --depth 1 https://github.com/atagon-GmbH/kogiqa-mcp

Made for: Claude Code.

Or install kogiqa-browser, the plugin that ships this one along with the rest of its 5 skills, 3 commands.

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

README.md
[![agentmods](https://agentmods.dev/badge/skills/atagon-gmbh/kogiqa-mcp/exploratory-testing/github.svg)](https://agentmods.dev/skills/atagon-gmbh/kogiqa-mcp/exploratory-testing)
Your own site
<a href="https://agentmods.dev/skills/atagon-gmbh/kogiqa-mcp/exploratory-testing"><img src="https://agentmods.dev/badge/skills/atagon-gmbh/kogiqa-mcp/exploratory-testing/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for exploratory-testing

Your own site · 80×15
<a href="https://agentmods.dev/skills/atagon-gmbh/kogiqa-mcp/exploratory-testing"><img src="https://agentmods.dev/badge/skills/atagon-gmbh/kogiqa-mcp/exploratory-testing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 299 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00041 $0.00299
Opus 5.5 $0.00016 $0.00120
Sonnet 5.5 $0.00008 $0.00060
Haiku 4.5 $0.00004 $0.00030

Measured 2d ago against content hash 84e03b915dda, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

exploratory-testing 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 2d 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-plugin/skills/exploratory-testing/SKILL.md · 28 lines

What it actually says

Exploratory testing

Systematically explore an app for defects within a time box.

Workflow

  1. browser_navigate to the app and map its reachable pages with browser_list_clickable.
  2. For every form you find (browser_list_page_inputs), try boundary and invalid inputs with browser_type: empty, very long, unicode, emoji, negative numbers, malformed emails, HTML and script fragments.
  3. Exercise interactive controls: dropdowns (browser_select), uploads (browser_upload_file), drag targets (browser_drag_from_to), and keyboard shortcuts (browser_keypress).
  4. After each action, check for a change in state with browser_has_text, and watch browser_get_console_log for errors.
  5. Use browser_fuzzing for time-boxed randomized input only after the manual pass, and browser_check_accessibility for an accessibility sweep.

Reporting

Produce a numbered list of findings. For each: the page, the exact steps, the observed vs. expected behavior, and a severity (blocker / major / minor). Separate "looks broken" from "looks inconsistent but intentional" and flag the latter as a question.

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. 2d ago First seen · 28 lines · 41 tokens per session scan A 84e03b915dda

Subscribe to this mod's changes

exploratory-testing is a skill published in the GitHub repository atagon-GmbH/kogiqa-mcp (96 stars, last pushed 2d ago), licensed MIT. It adds 41 tokens to every session and 299 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-10-14.

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