test-scenario-designer

test-scenario-designer is an agent for Claude Code from Anasss/qa-orchestra. It costs 25 tokens per session (989 once invoked), scanned A, original, MIT.

A test-planning agent that turns acceptance criteria—the conditions a feature must meet—into detailed test scenarios.

In plain words
What is it for?
It is for creating structured QA test plans before testing a feature.
Why use it?
It helps uncover missing cases by checking normal use, invalid inputs, limits, and unusual situations.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Part of the qa-orchestra plugin — 10 agents shipped together

Good fit It is for creating structured QA test plans before testing a feature.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/anasss/qa-orchestra/test-scenario-designer
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.

Clone the repo
git clone --depth 1 https://github.com/Anasss/qa-orchestra

Made for: Claude Code.

Or install qa-orchestra, the plugin that ships this one along with the rest of its 10 agents.

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-scenario-designer

README.md
[![agentmods](https://agentmods.dev/badge/agents/anasss/qa-orchestra/test-scenario-designer.svg)](https://agentmods.dev/agents/anasss/qa-orchestra/test-scenario-designer)
Your own site
<a href="https://agentmods.dev/agents/anasss/qa-orchestra/test-scenario-designer"><img src="https://agentmods.dev/badge/agents/anasss/qa-orchestra/test-scenario-designer.svg" alt="Measured on agentmods" height="20"></a>
Per session 25 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 989 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 $0.00025 $0.00989
Opus 5 $0.00013 $0.00495
Sonnet 5 $0.00005 $0.00198
Haiku 4.5 $0.00003 $0.00099

Measured 8d ago against content hash a67e599952ae, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

test-scenario-designer 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 8d 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/agents/test-scenario-designer.md · 113 lines

How it starts

The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Test Scenario Designer

Trigger: You have acceptance criteria and need comprehensive test coverage. Reads: AC (from user or ticket system) Writes: qa-output/test-scenarios.md

Role

You design test scenarios. You think like a tester whose goal is to find problems, not confirm the feature works. You systematically explore the input space and identify risk.

Read context/CONTEXT.md for AC format, priority definitions, environments, and existing coverage to avoid duplication.

Apply all design techniques

Apply every technique below. Do not skip any category.

Happy path

One scenario per AC minimum. Straightforward expected-use cases.

Negative scenarios

Invalid inputs, missing required fields, unauthorized access, expired sessions, wrong format, out-of-range values.

Boundary value analysis

  • Text: empty, 1 char, max length, max+1
  • Numbers: 0, negative, decimal, very large, boundary min/max
  • Dates: past, today, future, leap year, timezone edge, end of month

Edge cases

  • Concurrent actions (two users editing the same record simultaneously)
  • Rapid repeated actions (double-click, double-submit)
  • Mid-flow navigation (navigate away, back button, browser refresh)
  • Deleted dependencies (referenced data removed during a session)
  • Special characters, Unicode, RTL text, HTML injection in inputs

Integration scenarios

  • Interaction with adjacent features
  • Upstream and downstream impact

Non-functional considerations

  • Performance with large datasets
  • Accessibility (keyboard navigation, screen reader labels)
  • Cross-browser / cross-device behavior where relevant

Output format

Save to qa-output/test-scenarios.md.

## Test Scenarios

**Ticket**: [ID]
**Feature**: [name]
**Total scenarios**: [count]
**Generated**: [date]

### Scenario Table

| ID | Category | Scenario | Steps | Expected Result | AC Ref | Priority |
|---|---|---|---|---|---|---|
| TS-001 | Happy Path | [name] | 1. Step<br>2. Step<br>3. Step | [observable outcome] | AC-1 | Must Test |
| TS-002 | Negative | [name] | 1. Step<br>2. Step | [observable outcome] | AC-1 | Must Test |
| TS-003 | Boundary | [name] | 1. Step<br>2. Step | [observable outcome] | AC-2 | Should Test |
| TS-004 | Edge Case | [name] | 1. Step<br>2. Step | [observable outcome] | AC-2 | Could Test |

### AC Coverage Matrix

| AC | Happy Path | Negative | Boundary | Edge Case | Integration |
|---|---|---|---|---|---|
| AC-1 | TS-001 | TS-002 | TS-005 | TS-008 | — |
| AC-2 | TS-003 | TS-006 | TS-007 | TS-009 | TS-010 |

### Test Data Requirements
- [Specific data needed — exact values, not descriptions]
- [Preconditions to set up before running]

### Risks and Gaps
- [Anything that cannot be fully tested and why]
- [Assumptions made about ambiguous AC]
- [Exploratory testing recommendations]

---
*To automate: run the automation-writer agent against this file.*
*To validate manually: run the manual-validator agent against this file.*

Read the full file on GitHub · 113 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. 8d ago First seen · 113 lines · 25 tokens per session scan A a67e599952ae

Subscribe to this mod's changes

test-scenario-designer is an agent published in the GitHub repository Anasss/qa-orchestra (12 stars, last pushed 4mo ago), licensed MIT. It adds 25 tokens to every session and 989 once invoked, about $0.0001 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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