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juliusbrussee/cavekit/skills/buildby juliusbrussee7421e87d5b51No license1.1K starsListed Oct 8, 2026Updated Oct 8, 2026Repository updated 7 weeks ago
Plan-then-execute implementation against SPEC.md. Native single-thread loop, no sub-agents. On test or build failure, auto-invokes the backprop skill before retrying — a failed verification always considers whether a new §V invariant would prevent recurrence. Triggers when the user asks to build, implement, execute the spec, or tackle a specific §T task (`build §T.3`, `build --next`, `implement next task`, `run the build`). Expects SPEC.md to exist; if not, defers to the spec skill.
- 7421e87d5b51Currentcommit 7421e87Published Oct 8, 2026
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Source:juliusbrussee/cavekitinskills/buildat commit7421e87
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Spec
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Creates, amends, or backpropagates bugs into a project SPEC.md at the repository root.

Review
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Adversarially reviews a written spec before implementation, citing evidence and ending in a go/no-go gate.

Research
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Gather external knowledge the spec needs and distill it into §R — the durable research log — so build grounds in facts instead of hallucinating library behavior. Each finding cites a source; unsourced claims are flagged, never written as fact. Triggers when a spec decision hinges on a library/API/best practice the agent is unsure of, when the user says "research this", "what's the best lib for…", "check current best practice", or invokes /ck:research. Defers the §R write to the spec skill.

Grill
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Interrogates a vague idea one question at a time, recommending answers and parking unknowns before a spec is written.

Deepen
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Proposes refactors that make shallow code modules deeper, shrinking interfaces while keeping behavior and tests unchanged.

Check
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Read-only drift detector that diffs SPEC.md against code and reports violations by severity.
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