Homebrew Publish Agent Skill

Publish CLIs/TUIs to Homebrew via a personal tap. Use when asked to create or manage a Homebrew tap repo, generate or update formulae, compute sha256, test installs, or ship new releases for Go, Rust, Node/TypeScript, Python, or prebuilt binaries.

2k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

131

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/instructa/agent-skills --skill homebrew-publish

What comes with it

4 656 bytes besides the instruction

README.md

references/formula-go.md

references/formula-node.md

references/formula-prebuilt.md

references/formula-python.md

references/formula-rust.md

The instruction itself

12 sections, as written by the author

Homebrew Publish

Overview

Create or update a Homebrew tap and formulae so users can install a project's CLI/TUI with brew install OWNER/tap/<formula>.

Workflow

1) Gather inputs

Confirm GitHub owner, tap name, and whether the tap repo already exists.
Collect project repo URL, release tag/version, and the source tarball URL or prebuilt asset URL(s).
Identify build system and language (Go, Rust, Node/TypeScript, Python, or other).
Define binary name and a minimal test do command.
Confirm target platforms/architectures and whether bottles are desired.

2) Ensure tap repo exists (skip if already set)

Create a tap repo using the short form OWNER/tap when possible.
Run:
brew tap-new OWNER/homebrew-tap (or homebrew-<tapname>)
gh repo create OWNER/homebrew-tap --push --public --source "$(brew --repository OWNER/homebrew-tap)"

3) Create the formula skeleton

Prefer stable source tarballs from release tags.
Run:
brew create <url-to-tarball> --tap OWNER/homebrew-tap --set-name <formula>

4) Implement the formula

Edit Formula/<formula>.rb and wire build/install/test.
Pick a language template from references:
references/formula-go.md
references/formula-rust.md
references/formula-node.md
references/formula-python.md
references/formula-prebuilt.md
Ensure desc, homepage, url, sha256, and license are correct.

5) Compute sha256

Use shasum -a 256 <file> for local files.
For remote URLs, run curl -L <url> | shasum -a 256.

6) Test locally

Run brew install --build-from-source OWNER/tap/<formula>.
Run brew test OWNER/tap/<formula>.
Optionally run brew audit --strict --online OWNER/tap/<formula>.

7) Commit and push

Commit in the tap repo and push to GitHub.

8) Update for new releases

Update url and sha256 (and version if needed).
Re-run tests, commit, and push.

Notes

Prefer source builds unless a prebuilt binary is required.
If bottles are enabled, keep the default workflows created by brew tap-new and follow their publish instructions.

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How to use it

Copy the folder

Take instructa/homebrew-publish from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.

Install what it needs

The instructions reference brew. Without those the skill loads but fails at the first command.