phase-builder

85 / 100 · Low risk

Fine to try.

By AyeJK/phase-runner (GitHub) · coding · 30 stars · scanned at commit 0bc8092

Orchestrates automated sprint implementation from phase plans — e.g. 'run phase 1', 'implement sprint 1.3', 'run phase 4 in a worktree'. Optional worktree mode isolates a phase run on its own branch so two phases can run at once. Spawns phase-ui-implement (UI sprints + docs/design/design-system.md), general implementation (data/mixed), phase-verify, phase-wave-test (design asserts), phase-doc-sync. Skill-router per sprint. Clean orchestrator thread. Max 3 retries per gate then escalate. Pauses …

Works with any agent that supports SKILL.md skills.

What this skill can do

Downloads and installs other software

The author does not mention this.

Found in 3 places.

plugin/skills/phase-builder/SKILL.md, line 363. Install dependencies with the project's package manager (lockfile decides: `npm ci`/`npm install`, `pnpm install`, `yarn`, `pip install -r …`, etc.).
plugin/skills/phase-builder/SKILL.md, line 5821. Run the project's typecheck or lint-level check (for `package.json` projects, `npm run check` if it exists, else `npx tsc --noEmit`; use the equivalent for o
plugin/skills/phase-builder/SKILL.md, line 5832. Run only the test files this sprint added or changed, by path (e.g. `npx vitest run test/foo.test.ts`, `npx playwright test tests/e2e/foo.spec.ts`). Not the

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'phase-builder' ] || [ -L ~/.agents/skills/'phase-builder' ]; then echo 'A skill folder named phase-builder already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/AyeJK/phase-runner' "$d" && git -C "$d" checkout --quiet '0bc80922cd14b760d468b025fe3240eeab68fd57' -- 'plugin/skills/phase-builder' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugin/skills/phase-builder' ~/.agents/skills/'phase-builder' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'phase-builder' ~/.claude/skills/'phase-builder' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

Date	Version	Score
2026-11-07	`0bc8092`	85