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Git Worktree Manager · borghei | DecimalAI

devopsby borghei

Git Worktree Manager

borghei/git-worktree-manager

Source borghei/claude-skills ↗License NOASSERTION

Manage parallel development with Git worktrees: creation with port allocation, environment sync, branch isolation, and cleanup.

SkillScore64Maintained

Automatic

Coding pack

Last verified 8/20/2026

What it changes

Passed 14 of 22 test cases with the skill, and 8 of 22 without it.

Without skill36%

With skill64%

Checks it passed that the model alone missed

References references/setup-and-ports.md
References references/operations-playbook.md
References references/cleanup-and-workflows.md

and 5 more in the full report

6 fixed8 passed either way8 still failing0 broke

Pass-rate lift: +27 pp
Tokens: +21%
Agent turns: 0%
Response time: -41%

Model gemini-3.6-flashMeasured 8/20/2026v114 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/borghei-git-worktree-manager/SKILL.md https://app.decimal.ai/s/borghei-git-worktree-manager/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add borghei-git-worktree-manager, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/borghei-git-worktree-manager/ and pins it in .decimal/skills.lock

decimalai skills add borghei-git-worktree-manager

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/borghei-git-worktree-manager/SKILL.md https://app.decimal.ai/s/borghei-git-worktree-manager/SKILL.md

Raw file: /s/borghei-git-worktree-manager/SKILL.md ↗ · machine-readable summary at /s/borghei-git-worktree-manager.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 6

Prompt

My worktree setup script keeps failing due to unexpected git locking issues. Which reference file contains the troubleshooting table and success criteria?

What was checked, without and with the skill
Checked	Without skill	With skill
References references/operations-playbook.md	Missed	Passed

case-12 · gemini-3.6-flash · 8/20/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md69 lines7 filesincludes scripts

Git Worktree Manager

Manage parallel development workflows using Git worktrees with deterministic naming, automatic port allocation, environment file synchronization, dependency installation, and cleanup automation. Optimized for multi-agent workflows where each agent or terminal session owns an isolated worktree with its own ports, environment, and running services.

Core Capabilities

Worktree lifecycle — create worktrees from new or existing branches with deterministic naming, copy .env files, install dependencies by lockfile detection, list with clean/dirty + ahead/behind status, and safely remove with uncommitted-change detection.
Port allocation — deterministic per-worktree assignment (base + index * stride), collision detection against running processes, persistent map in .worktree-ports.json, and Docker Compose override generation.
Multi-agent isolation — one branch per worktree, one agent per worktree, no shared state, conflict-free parallel execution, task-ID mapping for traceability.
Cleanup automation — stale detection by age, merged-branch detection for safe removal, dirty-state warnings, and bulk cleanup with safety confirmations.

When to Use

You need 2+ concurrent branches open with running dev servers.
You want isolated environments for feature work, hotfixes, and PR review.
Multiple AI agents need separate workspaces that do not interfere.
Your current branch is blocked but a hotfix is urgent.
You want automated cleanup instead of manual rm -rf operations.

Clarify First

Before managing worktrees, confirm these inputs. If any is unknown or vague, ASK — do not assume:

Operation — create, list, remove, or clean up worktrees (selects the worktree_manager.py action vs port_allocator.py vs worktree_validator.py)
Branch & base — which branch(es) the worktree(s) track and from what base (drives worktree naming and isolation)
Port/service needs — whether dev servers or Docker need allocated ports (drives the deterministic port block and the Docker Compose override generated)

Stop rule: ask only the 2-3 that most change the output. If the user says "just draft it," proceed and list your assumptions at the top of the artifact.

Tools

Tool	Purpose	Command
`worktree_manager.py`	List, create, remove, and clean up worktrees	`python scripts/worktree_manager.py list`
`port_allocator.py`	Assign/check/release deterministic port blocks; sync registry	`python scripts/port_allocator.py status`
`worktree_validator.py`	Validate worktree health (stale, missing branch, env parity, port conflicts, lockfile)	`python scripts/worktree_validator.py --stale-days 14`

References

Load the reference that matches the task — keep this file lean and pull detail on demand:

Track record

Benchmark

14 / 22

test cases passed, vs 8 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

borghei / claude-skills

engineering/git-worktree-manager/SKILL.md

View on GitHub ↗

License MIT + Commons ClauseImported 8/3/2026Version v1Bundled 6 files · scripts

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See it in action

What's inside

Git Worktree Manager

Core Capabilities

When to Use

Clarify First

Tools

References

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills