Tailwindcss Development
anonaddy/anonaddy
Always invoke when the user's message includes 'tailwind' in any form.
Scaffold a new Gerillass mixin or utility function with the project's conventions, wire it into the folder index, describe it in meta/, and test it.
Install New Mixin
$ npx skills add selfishprimate/gerillass --skill new-mixin -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install selfishprimate/gerillass new-mixin --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/selfishprimate/gerillass.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/new-mixin .claude/skills/new-mixin && rm -rf skills-srcUse ~/.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/
Install the "new-mixin" agent skill from https://github.com/selfishprimate/gerillass/tree/main/.claude/skills/new-mixin into .claude/skills/new-mixin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-mixin", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/selfishprimate/gerillass/tree/main/.claude/skills/new-mixinType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add selfishprimate/gerillass --skill new-mixin -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install selfishprimate/gerillass new-mixin --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/selfishprimate/gerillass.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/new-mixin .agents/skills/new-mixin && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "new-mixin" agent skill from https://github.com/selfishprimate/gerillass/tree/main/.claude/skills/new-mixin into .agents/skills/new-mixin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-mixin", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add selfishprimate/gerillass --skill new-mixin -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install selfishprimate/gerillass new-mixin --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/selfishprimate/gerillass.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/new-mixin .cursor/skills/new-mixin && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "new-mixin" agent skill from https://github.com/selfishprimate/gerillass/tree/main/.claude/skills/new-mixin into .cursor/skills/new-mixin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-mixin", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/selfishprimate/gerillass.git --path .claude/skills/new-mixin--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add selfishprimate/gerillass --skill new-mixin -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install selfishprimate/gerillass new-mixin --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/selfishprimate/gerillass.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/new-mixin .gemini/skills/new-mixin && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "new-mixin" agent skill from https://github.com/selfishprimate/gerillass/tree/main/.claude/skills/new-mixin into .gemini/skills/new-mixin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-mixin", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install selfishprimate/gerillass new-mixinInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add selfishprimate/gerillass --skill new-mixin -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/selfishprimate/gerillass.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/new-mixin .github/skills/new-mixin && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "new-mixin" agent skill from https://github.com/selfishprimate/gerillass/tree/main/.claude/skills/new-mixin into .github/skills/new-mixin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-mixin", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add selfishprimate/gerillass --skill new-mixin -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install selfishprimate/gerillass new-mixin --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/selfishprimate/gerillass.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/new-mixin .opencode/skills/new-mixin && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "new-mixin" agent skill from https://github.com/selfishprimate/gerillass/tree/main/.claude/skills/new-mixin into .opencode/skills/new-mixin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "new-mixin", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
new-mixin- GitHub stars
- 171
- Token cost
- ~2.1k tokens
- SKILL.md length
- 1,152 words
- Files
- 1
- Skills in repo
- 6
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Scaffold a new Gerillass mixin or utility function with the project's conventions, wire it into the folder index, describe it in meta/, and test it.
- Works in 9 steps: Pick the layer → Write the file → Wire it into the folder index → …
- Adding a new mixin
- SKILL.md covers 1. Pick the layer, 2. Write the file, 3. Wire it into the folder index and 4. Declare what it uses, plus 5 more sections
- Calls npm
What it does
New Mixin is an agent skill from selfishprimate/gerillass. Scaffold a new Gerillass mixin or utility function with the project's conventions, wire it into the folder index, describe it in meta/, and test it. Use when adding a new mixin, helper function, list or map to the library.
Its SKILL.md is about 2.1k 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 Frontend & Design, covering CSS and styling. The repository describes itself as: Gerillass is a Sass mixin library containing a set of Sass mixins and functions to help front-end developers generate scalable CSS outputs.
When your agent uses it
- Adding a new mixin
- Helper function
- Map to the library
Example prompts
- “/new-mixin”
Workflow steps
9 steps, taken from the step headings in SKILL.md.
- Pick the layer
- Write the file
- Wire it into the folder index
- Declare what it uses
- Look at it in the lab
- Describe it in meta/
- Cover it with tests
- Test it in a browser and compare
- Confirm
What it can do on your machine
Read from SKILL.md and the folder at commit 65f6638. 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:
npm
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use npm, 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
New Mixin loads about 2.1k tokens when it runs. Until then it costs about 58 tokens; SKILL.md has 1,152 words of instructions outside code blocks.
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 1,152 words (~2,135 tokens).
“Nine steps. Two of them fail loudly if you skip them: the manifest suite checks that a new mixin has metadata and a smoke-test call. The others fail silently, which is worse. Do all of them, and step 8 in…”
- name
- new-mixin
Files
Just SKILL.md in .claude/skills/new-mixin of selfishprimate/gerillass.
Open the folder on GitHubat commit 65f6638
Compare with similar skills
New Mixin 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| New Mixin this skillselfishprimate/gerillass | 171 | — | ~2.1k | Automated safety check: Pass | Custom licence | |
| Tailwindcss Developmentanonaddy/anonaddy | 4.9k | 10 repos | ~865 | Automated safety check: Pass | MIT | |
| UI StylingOhh-889/skyroc | 795 | 13 repos | ~2.5k | Automated safety check: Pass | MIT | |
| MCP Developmentcoollabsio/coolify | 63k | 1 repos | ~949 | Automated safety check: Pass | MIT | |
| Web Animation DesignbaptisteArno/typebot.io | 11k | 2 repos | ~2.7k | Automated safety check: Pass | Custom licence | |
| UI UX Pro Maxsaoudi-h/solar-icons | 186 | 18 repos | ~11k | Automated safety check: Notes | Custom licence |
Similar skills
UI Styling
Ohh-889/skyroc
Create beautiful, accessible user interfaces with shadcn/ui components (built on Radix UI + Tailwind), Tailwind CSS utility-first styling, and canvas-based visual designs.
MCP Development
coollabsio/coolify
A skill your agent uses for Laravel MCP development. An agent skill from coollabsio/coolify.
Web Animation Design
baptisteArno/typebot.io
Guides easing, timing and animation choices for UI motion, based on a web animation course, and reviews existing animations in a before-and-after table.
UI UX Pro Max
saoudi-h/solar-icons
UI/UX design intelligence for web and mobile. An agent skill from saoudi-h/solar-icons.
Ink Tui Wizard
novuhq/novu
Build terminal user interfaces (TUIs) using Ink (React for CLIs) and @inkjs/ui with a reactive, session-driven wizard pattern.
More from selfishprimate/gerillass
Gerillass
selfishprimate/gerillass
Use the Gerillass Sass mixin library — loading it, the mixin catalogue, and the argument forms that are easy to get wrong.
Audit Library
selfishprimate/gerillass
Sweep every mixin and function in Gerillass and report where it misbehaves — silent failures, unhelpful errors, questionable output, and gaps in test coverage.
Commit And PR
selfishprimate/gerillass
Write a Gerillass commit message and a pull request title and description to the house standard.
Release
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Cut and publish a Gerillass release — version bump, changelog, tag, GitHub release, npm publish, and post-publish verification.
Sass Test
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Write or debug sass-true unit tests for Gerillass mixins and utility functions.
Related
Categories
Questions about New Mixin
What does New Mixin do?
Scaffold a new Gerillass mixin or utility function with the project's conventions, wire it into the folder index, describe it in meta/, and test it. New Mixin is an agent skill from selfishprimate/gerillass. Scaffold a new Gerillass mixin or utility function with the project's conventions, wire it into the folder index, describe it in meta/, and test it.
When should I use New Mixin?
New Mixin fits situations like: adding a new mixin; helper function; map to the library.
How do I install New Mixin in Claude Code?
Run `npx skills add selfishprimate/gerillass --skill new-mixin -a claude-code`. Or copy the skill folder (.claude/skills/new-mixin in selfishprimate/gerillass) into .claude/skills/new-mixin in your project. Claude Code loads it when a task matches its description.
How do I install New Mixin in Codex?
Run `npx skills add selfishprimate/gerillass --skill new-mixin -a codex`. Or copy the skill folder (.claude/skills/new-mixin in selfishprimate/gerillass) into .agents/skills/new-mixin in your project. Codex loads it when a task matches its description.
Can I use New Mixin 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 selfishprimate/gerillass --skill new-mixin -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/new-mixin, .gemini/skills/new-mixin, .github/skills/new-mixin and .opencode/skills/new-mixin in your project.
What does New Mixin need to run?
Going by SKILL.md and its folder, New Mixin needs the command-line tools its instructions call (npm).
Does New Mixin access the network?
SKILL.md contains no URLs. Its commands use npm, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is New Mixin 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 New Mixin use?
New Mixin 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 New Mixin use?
About 2.1k tokens (SKILL.md is roughly 8.5k 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 New Mixin?
Skills that share tags, products or a category with New Mixin: Tailwindcss Development (anonaddy/anonaddy, 4.9k stars), UI Styling (Ohh-889/skyroc, 795 stars), MCP Development (coollabsio/coolify, 63k stars) and Web Animation Design (baptisteArno/typebot.io, 11k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains New Mixin?
selfishprimate (a GitHub user) maintains it in selfishprimate/gerillass, which has 171 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on September 30, 2026.
Source: selfishprimate/gerillass on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.