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stub-creator

Stub Creator - Auto-activating skill for Test Automation. Triggers on: stub creator, stub creator Part of the Test Automation skill category.

33

1.02x

Quality

3%

Does it follow best practices?

Impact

85%

1.02x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./planned-skills/generated/09-test-automation/stub-creator/SKILL.md
SKILL.md
Quality
Evals
Security

Evaluation results

83%

-2%

Checkout Service Test Coverage

Jest stub creation with step-by-step guidance

Criteria
Without context
With context

Jest mock API used

86%

100%

Step-by-step in APPROACH.md

80%

66%

Mock return values configured

100%

100%

Call assertions present

100%

100%

Multiple test paths

100%

100%

Mock isolation between tests

100%

80%

Module-level mocking

0%

0%

Production-ready code

100%

100%

Error/failure case stubbed

100%

100%

Without context: $0.5821 · 2m 29s · 34 turns · 33 in / 7,857 out tokens

With context: $0.4752 · 2m · 28 turns · 28 in / 6,145 out tokens

80%

-7%

Data Pipeline Test Suite

Pytest stub creation with validation and best practices

Criteria
Without context
With context

unittest.mock or pytest-mock used

100%

100%

Step-by-step in APPROACH.md

100%

66%

Unit AND integration tests present

100%

100%

Return values configured on stubs

100%

100%

Stub call assertions

100%

100%

Patch scope is correct

70%

50%

Error/exception case tested

100%

100%

Production-ready code

100%

100%

Framework config included

0%

0%

Without context: $0.7082 · 2m 41s · 32 turns · 33 in / 10,926 out tokens

With context: $0.7429 · 2m 40s · 38 turns · 149 in / 10,267 out tokens

93%

15%

Notification Service — New Feature Buildout

TDD stub-first development workflow

Criteria
Without context
With context

Stubs before implementation

20%

100%

Step-by-step TDD workflow

33%

100%

Interface validated by tests

100%

100%

All three providers stubbed

100%

100%

Framework-specific mock APIs

100%

30%

Call count or argument assertions

100%

100%

Routing logic tested

100%

100%

Production-ready code

100%

100%

Stub output validated

100%

100%

Without context: $0.6926 · 2m 31s · 36 turns · 87 in / 9,010 out tokens

With context: $0.8359 · 3m 6s · 39 turns · 82 in / 11,648 out tokens

Repository
jeremylongshore/claude-code-plugins-plus-skills
Evaluated
Agent
Claude Code
Model
Claude Sonnet 4.6

Table of Contents

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