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Agent skill

Branch Review

by Dallinger in Dallinger/Dallinger

Review branch changes against master using a diff-to-master workflow that emphasizes correctness, regressions, API breaks, side effects, and missing tests.

Custom licenceAuto-check passedDevelopment

Install Branch Review

skills CLI
$ npx skills add Dallinger/Dallinger --skill branch-review -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install Dallinger/Dallinger branch-review --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/Dallinger/Dallinger.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.cursor/skills/branch-review .claude/skills/branch-review && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
branch-review
GitHub stars
124
Token cost
~778 tokens
SKILL.md length
389 words
Files
1
Skills in repo
2
Repo updated
First seen
Licence
Custom licence

At a glance

Review branch changes against master using a diff-to-master workflow that emphasizes correctness, regressions, API breaks, side effects, and missing tests.

  • Works in 7 steps: Scope the change → Inspect code diffs deeply → Validate test coverage → …
  • The user asks to review a branch against master
  • SKILL.md covers Prerequisites, 1) Scope the change, 2) Inspect code diffs deeply and 3) Validate test coverage, plus 4 more sections
  • Calls git and gh

What it does

Branch Review is an agent skill from Dallinger/Dallinger. Review branch changes against master using a diff-to-master workflow that emphasizes correctness, regressions, API breaks, side effects, and missing tests. Use when the user asks to review a branch against master, compare branch changes, perform pre-merge code review, or review a pull request.

Its SKILL.md is about 780 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Pull requests. It works with Git. The repository describes itself as: Laboratory automation for the behavioral and social sciences; human culture on a chip.

When your agent uses it

  • The user asks to review a branch against master
  • Compare branch changes
  • Perform pre-merge code review
  • Review a pull request

Example prompts

  • “/branch-review”

Workflow steps

7 steps, taken from the step headings in SKILL.md.

  1. Scope the change
  2. Inspect code diffs deeply
  3. Validate test coverage
  4. Refactoring opportunities
  5. Verification
  6. Report format
  7. Update the pull request

What it can do on your machine

Read from SKILL.md and the folder at commit 1f5092e. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • git
    • gh

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use git and gh, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Branch Review loads about 778 tokens when it runs. Until then it costs about 78 tokens; SKILL.md has 389 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~78
When it runs · the whole SKILL.md, loaded when a task matches
~778

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 389 words (~778 tokens).

“Use this skill when reviewing a feature branch against master.”

— opening of SKILL.md by Dallinger, Custom licence
name
branch-review

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .cursor/skills/branch-review of Dallinger/Dallinger.

Open the folder on GitHubat commit 1f5092e

Compare with similar skills

Branch Review next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Branch Review compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Branch Review this skillDallinger/Dallinger124—~778Automated safety check: PassCustom licence
Finishing a Development Branchobra/superpowers297k5 repos~1.9kAutomated safety check: PassMIT
Contributor-First PR MergeHKUDS/OpenHarness16k1 repos~847Automated safety check: PassMIT
Open Code Review CLIalibaba/open-code-review46k—~3.1kAutomated safety check: PassApache-2.0
Create Pull Requestcline/cline70k1 repos~1.6kAutomated safety check: PassApache-2.0
Pull Request Title and Body Writeropeninterpreter/openinterpreter69k2 repos~1.1kAutomated safety check: PassApache-2.0

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  • Finishing a Development Branch

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  • Open Code Review CLI

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  • Create Pull Request

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  • Pull Request Title and Body Writer

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  • Understand Diff Analysis

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More from Dallinger/Dallinger

  • Release

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    Auto-check: warnings

Works with

Categories

Questions about Branch Review

What does Branch Review do?

Review branch changes against master using a diff-to-master workflow that emphasizes correctness, regressions, API breaks, side effects, and missing tests. Branch Review is an agent skill from Dallinger/Dallinger. Review branch changes against master using a diff-to-master workflow that emphasizes correctness, regressions, API breaks, side effects, and missing tests.

When should I use Branch Review?

Branch Review fits situations like: the user asks to review a branch against master; compare branch changes; perform pre-merge code review; review a pull request.

How do I install Branch Review in Claude Code?

Run `npx skills add Dallinger/Dallinger --skill branch-review -a claude-code`. Or copy the skill folder (.cursor/skills/branch-review in Dallinger/Dallinger) into .claude/skills/branch-review in your project. Claude Code loads it when a task matches its description.

How do I install Branch Review in Codex?

Run `npx skills add Dallinger/Dallinger --skill branch-review -a codex`. Or copy the skill folder (.cursor/skills/branch-review in Dallinger/Dallinger) into .agents/skills/branch-review in your project. Codex loads it when a task matches its description.

Can I use Branch Review in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Dallinger/Dallinger --skill branch-review -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/branch-review, .gemini/skills/branch-review, .github/skills/branch-review and .opencode/skills/branch-review in your project.

What does Branch Review need to run?

Going by SKILL.md and its folder, Branch Review needs the command-line tools its instructions call (git and gh).

Does Branch Review access the network?

SKILL.md contains no URLs. Its commands use git and gh, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Branch Review safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Branch Review use?

Branch Review has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Branch Review use?

About 778 tokens (SKILL.md is roughly 3.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Branch Review?

Skills that share tags, products or a category with Branch Review: Finishing a Development Branch (obra/superpowers, 297k stars), Contributor-First PR Merge (HKUDS/OpenHarness, 16k stars), Open Code Review CLI (alibaba/open-code-review, 46k stars) and Create Pull Request (cline/cline, 70k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Branch Review?

Dallinger (a GitHub organization) maintains it in Dallinger/Dallinger, which has 124 GitHub stars. The repository holds 2 skills in this directory. The repository was last updated on October 10, 2026.

Source: Dallinger/Dallinger on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.