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97-dev

by DeevsDeevs

Perfect agent system to be 10x Deevs' engineer

17🍴 3📅 Jan 23, 2026

SKILL.md


name: 97-dev description: Apply timeless programming wisdom from "97 Things Every Programmer Should Know" when writing, reviewing, or refactoring code. Use for design decisions, code quality checks, professional development guidance, testing strategies, and workflow optimization.

97-dev: Programmer's Wisdom

Distilled principles from 97 Things Every Programmer Should Know. Apply when writing, reviewing, or making design decisions.

Core Philosophy

Code is design. Software development is a creative discipline requiring craftsmanship, not mechanical construction.

The code tells the truth. Documentation lies, comments decay - only executable code reveals actual behavior. Make code self-explanatory.

Care about your code. Excellence stems from attitude, not just knowledge. Craft elegant code that is clearly correct.

Quick Principles

PrincipleOne-liner
SimplicityRemove everything unnecessary; less is more
Boy ScoutLeave code cleaner than you found it
DRYSingle authoritative representation for each piece of knowledge
SRPOne reason to change per class/module/function
CommentsComment only what code cannot say - explain why, not what
Tech debtPay immediately or track the compounding interest
TestingNon-negotiable professional obligation
ErrorsAlways check, always handle, every time
Next commitKnow exactly what you're committing before you start
UsersYou are not the user - observe, don't assume

Detailed References

Load these when you need deeper guidance on specific topics:

references/simplicity.md

When: Refactoring bloated code, making architectural decisions, deciding what to remove, questioning if features are needed. Covers: Beauty in simplicity, reduction over addition, improving by removing, code as design.

references/quality.md

When: Code review, enforcing standards, improving maintainability, designing APIs and interfaces. Covers: Boy Scout Rule, DRY principle, Single Responsibility, interface design, code as truth.

references/professionalism.md

When: Career decisions, team dynamics, handling pressure, technical debt discussions, attitude check. Covers: Professional responsibility, caring about code, long-term thinking, prudent debt management.

references/testing.md

When: Writing tests, handling errors, debugging issues, arguing for test coverage, writing comments. Covers: Testing as engineering rigor, error handling discipline, debugging strategy, comment guidelines.

references/learning.md

When: Professional development, skill building, code reading sessions, understanding complexity limits. Covers: Continuous learning strategies, deliberate practice, reading code, knowing your limits.

references/workflow.md

When: Planning work, commit strategy, user research, daily development practices. Covers: Know your next commit, you are not the user, version control practices, breaking things safely.

Checklist

Writing code:

  • Single responsibility per function/class?
  • Any duplication to extract?
  • Anything removable without losing functionality?
  • Names descriptive enough to skip comments?
  • Would I maintain this for years?

Reviewing code:

  • Leaves codebase cleaner?
  • Error cases handled?
  • Interface easy to use correctly?
  • Matches existing patterns?

Debugging:

  • Ruled out my own code first?
  • Isolated problem systematically?
  • Testing assumptions, not seeking confirmation?

Source

97 Things Every Programmer Should Know - O'Reilly, Creative Commons.

Score

Total Score

65/100

Based on repository quality metrics

SKILL.md

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