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aprameyakaprameyak/coding-skills/plan-before-code/SKILL.md

plan-before-code

Skill1 starsChanged 41 days agoMITView on GitHub

Plan implementation before writing code. Use when starting non-trivial tasks, features, refactors, or when the approach is unclear.

1 other project uses a version of this.

Adopted by

Most recently taken up by

The file

We split this skill into the rules it gives an agent

4 rules. About 0 are common, 4 are distinctive, and 0 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈4

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Write a short step list (3–8 steps).

    line 18
  2. Distinctive:

    Do not start coding while major unknowns remain.

    line 36
  3. Distinctive:

    Prefer the smallest plan that reaches a verifiable outcome.

    line 37
  4. Distinctive:

    Update the plan if discovery invalidates it.

    line 38

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Plan Before Code

When

Apply for work that touches more than one file, changes behavior, or has multiple valid approaches. Skip for single-line fixes and renames.

Steps

  1. Restate the goal in one sentence.
  2. List constraints (APIs, styles, compatibility, deadlines).
  3. Identify files and modules likely involved.
  4. Choose one approach. Note rejected alternatives in one line each.
  5. Write a short step list (3–8 steps). Mark risks and unknowns.
  6. Confirm the plan with the user if ambiguity remains or blast radius is high.
  7. Execute only after the plan is clear.

Output Format

Goal: ...
Constraints: ...
Approach: ...
Steps:
1. ...
2. ...
Risks: ...

Rules

  • Do not start coding while major unknowns remain.
  • Prefer the smallest plan that reaches a verifiable outcome.
  • Update the plan if discovery invalidates it; do not silently diverge.

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