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yezhwiyezhwi/superpowers-engineering-harness/skills/minimal-implementation/SKILL.md

minimal-implementation

Skill3 starsChanged 44 days agoApache-2.0View on GitHub

Run before implementation to record minimal necessary approach using Harness Decision Ladder.

3 other projects use a version of this.

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The file

We split this skill into the rules it gives an agent

6 rules. About 0 are common, 1 is distinctive, and 5 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈1

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 5

    Very specific

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

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Run in PLANNED, before IMPLEMENTING.

    line 9
  2. Very specific:

    Read .harness/current-task.yaml, requirements, invariants, design/plan, and dependency manifest.

    line 11
  3. Distinctive:

    Only then choose new abstraction.

    line 19
  4. Very specific:

    Search repository before creation.

    line 21
  5. Very specific:

    Write YAML matching schemas/minimal-implementation.schema.json, then run:

    line 23
  6. Very specific:

    Do not transition to IMPLEMENTING until command succeeds.

    line 29

≈ “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

Minimal Implementation Check

Run in PLANNED, before IMPLEMENTING. Do not implement code.

Read .harness/current-task.yaml, requirements, invariants, design/plan, and dependency manifest. Answer ladder in order:

  1. Does capability need to exist?
  2. Does equivalent repository capability exist?
  3. Can stdlib solve it?
  4. Can platform-native capability solve it?
  5. Can installed dependency solve it?
  6. Can small local implementation solve it?
  7. Only then choose new abstraction.

Search repository before creation. First found short-circuits later checks: write checked: false, result: skipped. Requirement/invariant-required security, audit, compatibility, migration, accessibility, NFR, and trust-boundary complexity remains necessary.

Write YAML matching schemas/minimal-implementation.schema.json, then run:

harness check minimal --file /path/to/decision.yaml

Do not transition to IMPLEMENTING until command succeeds.

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