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@sentropic/harness

v0.2.1

Published

Neutral, host-agnostic code-work / PR-workflow tooling for AI dev: a homogeneous `harness <verb>` method layer (branch/scope/verify/test/debug/review/brainstorm/plan), the native superpowers replacement. Tooling-only, zero product-runtime deps. (BR-42h)

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@sentropic/harness

Neutral, host-agnostic code-work / PR-workflow tooling for AI-driven development: a homogeneous harness <verb> method layer (branch · scope · verify · test · debug · review · brainstorm · plan) behind a pluggable profile SPI. The NATIVE sentropic replacement for superpowers.

  • Tooling-only: zero product-runtime coupling (no Drizzle / Hono / Svelte / Mistral), zero @sentropic/* deps. Node built-ins + TypeScript only.
  • Emit-only: checks produce a neutral VerificationRun artifact; harness never writes into @sentropic/track (a track-side adapter ingests the artifact).
  • Policy as data: the Sentropic rules (scope paths, exception grammar, thresholds) live in a sentropic profile module behind the HarnessProfile interface. The check kernel is profile-driven (a second stub profile exercises it with divergent policy); full plugin-surface genericity (plan-adapter SPI, profile resolution, harness init/audit) is the G1–G4 follow-on tracked in SPEC_STUDY_HARNESS_GENERICITY_AUDIT.md.

Status: BR-42h — published to npm (D7 lifted 2026-06-08). Installs like every other @sentropic CLI; stp harness subcommand federation is the scale lane (BR-42i).

Install

npm i -g @sentropic/harness    # same as @sentropic/h2a, track, remote, …

Use

# Right branch?
harness check branch --current-branch "$(git branch --show-current)" --expected-branch feat/x
# Changed files within the BRANCH.md declared scope?
harness check scope --branch-md BRANCH.md --staged-files "$(git diff --cached --name-only | paste -sd,)" [--json]

--json emits a neutral artifact. --profile sentropic|stub selects the policy pack (default sentropic). In an @sentropic repo, make scope-check wraps the staged+unstaged scope check.

Verbs

harness <verb> [<subject>] [--<option>], homogeneous with the sibling CLIs (stp harness <verb>):

| Verb | Kind | Emits | Reasoning | |---|---|---|---| | check scope\|branch | producer | VerificationRun | — | | verify --category <c> | producer | VerificationRun (roll-up) | — | | init / audit | producer | profile descriptor / VerificationRun | skill harness/adopt | | brainstorm [--peers] [--ladder] | recorder | WorkEvent | skill harness/brainstorm | | test [--category] | recorder | WorkEvent | skill harness/test | | debug | recorder | WorkEvent | skill harness/debug | | review --consensus [--peers] | recorder | WorkEvent | skill harness/review | | plan [--lots] | recorder | WorkEvent | skill harness/plan | | branch init\|close | recorder | WorkEvent | — | | skills install --host <h> | recorder | WorkEvent | installs the pack |

Producers compute a pass/fail verdict; recorders scaffold + record a narrative WorkEvent and point to a harness/* skill that carries the LLM reasoning (the binary never does the thinking).

Skill pack (superpowers replacement)

harness skills install --host claude|codex|gemini installs harness/{using-harness,brainstorm,test, debug,review,plan,adopt}. harness/using-harness loads first and supersedes the superpowers skills for those acts. superpowers is never a dependency; the user may opt to keep it per repo.

See BRANCH.md (branch root) for the lot plan and the design specs (SPEC_DECISION_SCOPE_OWNERSHIP_HARNESS_TRACK_STP.md, SPEC_STUDY_HARNESS_WORKFLOW_ARTICULATION.md).