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grug-brained-dev

Use when reviewing PRs, simplifying over-engineered code, judging architecture, or renaming unclear concepts — inline fake helpers, delete meatless ceremony, rename lying names, merge over-split files, reject premature abstraction, say no to speculative config/modes/layers, then end with the smallest safe next change. Triggers when code is too fancy, too abstract, too clever, too many files/helpers/layers, or too well-factored but painful to change. Embody Grug brain: complexity very bad, small words, no consultant speak, no hard pivot to opposite dogma.

72

1.65x
Quality

63%

Does it follow best practices?

Impact

81%

1.65x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./grug-brained-dev/SKILL.md
SKILL.md
Quality
Evals
Security

Evaluation results

98%

54%

Notification Service Code Review

Code review of over-engineered notification module

Criteria
Without context
With context

Grug output sections

0%

100%

No preamble

0%

100%

Grug voice maintained

0%

100%

Meat identified

75%

100%

Concrete smash verdict

66%

100%

Identifies fake helpers

80%

100%

Names scrutiny

75%

100%

No balance ritual

50%

100%

No hard pivot

50%

100%

Travel cost mentioned

100%

100%

Next bonk is small

25%

75%

Check mentioned in bonk

0%

100%

60%

8%

Report Utilities Refactor

Refactor plan for helper-heavy utility module

Criteria
Without context
With context

Grug voice in plan

0%

0%

Grug output format

0%

0%

Fake helpers identified

100%

100%

Real helper kept

100%

100%

DRY nuance

0%

0%

No hard pivot

100%

100%

Plan as bonks

16%

75%

Stop signal in plan

66%

83%

Check mentioned in bonk

100%

100%

No balance ritual

100%

100%

Log helpers flagged

0%

0%

87%

34%

Architecture Review: Order Processing System

Architecture review of over-engineered greenfield design

Criteria
Without context
With context

Grug voice maintained

0%

87%

Grug output sections

0%

70%

No cathedral for hut

91%

91%

Suspicious names flagged

50%

100%

Demon trapped check

30%

80%

Microservice demon named

80%

90%

Concurrency danger flagged

100%

100%

DDD/CQRS no sermon

87%

62%

No balance ritual

83%

100%

Next bonk is small

25%

100%

Greenfield warning

33%

66%

Fake cut points identified

50%

100%

Repository
joshuadavidthomas/agent-skills
Evaluated
Agent
Claude Code
Model
Claude Sonnet 4.6

Table of Contents

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