Install Anti-Slop Oxlint Rules
dmmulroy/anti-slop
Installs, updates or migrates the vendored anti-slop Oxlint plugin in a repository, keeping local rule changes and the plugin's license and provenance files.
Full-cycle AI coding skill: plans, builds, tests, lints, fixes bugs, and writes production-grade docs.
Install Squirrel
$ npx skills add sickn33/agentic-awesome-skills --skill squirrel -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install sickn33/agentic-awesome-skills squirrel --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/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/squirrel .claude/skills/squirrel && 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 "squirrel" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/squirrel into .claude/skills/squirrel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "squirrel", 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/sickn33/agentic-awesome-skills/tree/main/skills/squirrelType 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 sickn33/agentic-awesome-skills --skill squirrel -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install sickn33/agentic-awesome-skills squirrel --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/squirrel .agents/skills/squirrel && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "squirrel" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/squirrel into .agents/skills/squirrel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "squirrel", 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 sickn33/agentic-awesome-skills --skill squirrel -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install sickn33/agentic-awesome-skills squirrel --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/squirrel .cursor/skills/squirrel && 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 "squirrel" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/squirrel into .cursor/skills/squirrel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "squirrel", 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/sickn33/agentic-awesome-skills.git --path skills/squirrel--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 sickn33/agentic-awesome-skills --skill squirrel -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install sickn33/agentic-awesome-skills squirrel --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/squirrel .gemini/skills/squirrel && 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 "squirrel" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/squirrel into .gemini/skills/squirrel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "squirrel", 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 sickn33/agentic-awesome-skills squirrelInstalls 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 sickn33/agentic-awesome-skills --skill squirrel -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/squirrel .github/skills/squirrel && 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 "squirrel" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/squirrel into .github/skills/squirrel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "squirrel", 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 sickn33/agentic-awesome-skills --skill squirrel -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install sickn33/agentic-awesome-skills squirrel --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/squirrel .opencode/skills/squirrel && 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 "squirrel" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/squirrel into .opencode/skills/squirrel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "squirrel", 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
squirrel- GitHub stars
- 47k
- Used in
- 1 other repo
- Token cost
- ~1k tokens
- SKILL.md length
- 432 words
- Files
- 1
- Skills in repo
- 1,394
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Full-cycle AI coding skill: plans, builds, tests, lints, fixes bugs, and writes production-grade docs.
- Works in 8 steps: Discover — Understand the project (audit… → Plan — Concrete task list with… → Build — Write or modify code (parallel… → …
- Tasks that involve Linting and formatting
- SKILL.md covers Overview, When to Use This Skill, How It Works and Examples, plus 4 more sections
- Calls npx
What it does
Squirrel is an agent skill from sickn33/agentic-awesome-skills. Full-cycle AI coding skill: plans, builds, tests, lints, fixes bugs, and writes production-grade docs. Auto-detects project state and adapts its 8-phase pipeline.
Its SKILL.md is about 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 Development, covering Linting and formatting. The repository describes itself as: AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,400+ agentic skills. Includes… The licence is Apache-2.0.
When your agent uses it
- Tasks that involve Linting and formatting
Example prompts
- “/squirrel”
Requirements
- Node.js
Workflow steps
8 steps, taken from the first numbered list in SKILL.md.
- Discover — Understand the project (audit existing code or gather requirements)
- Plan — Concrete task list with dependencies and done-criteria
- Build — Write or modify code (parallel sub-agents when supported)
- Test — Run existing tests, write new ones, 70%+ coverage target
- Bug Hunt — Static analysis + manual review
- Polish — Lint, format, type check, remove dead code
- Document — README + inline docs (update existing, don't overwrite)
- Ship — Final checklist: tests green, no secrets, CI configured
What it can do on your machine
Read from SKILL.md and the folder at commit 1e53ce2. 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:
npx
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use npx, 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
Squirrel loads about 1k tokens when it runs. Until then it costs about 43 tokens; SKILL.md has 432 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
The full file from sickn33/agentic-awesome-skills at commit 1e53ce2, republished under its Apache-2.0 licence (© sickn33). 432 words, ~1,042 tokens.
Download SKILL.mdSave it as
.claude/skills/squirrel/SKILL.md (or your agent's skills folder).- name
- squirrel
- description
- Full-cycle AI coding skill: plans, builds, tests, lints, fixes bugs, and writes production-grade docs. Auto-detects project state and adapts its 8-phase pipeline.
- category
- development
- risk
- safe
- source
- community
- source_repo
- flyingsquirrel0419/squirrel-skill
- source_type
- community
- license
- Apache-2.0
- license_source
- https://github.com/flyingsquirrel0419/squirrel-skill/blob/main/LICENSE
- date_added
- 2026-04-29
- author
- flying_squirrel__
- tags
- development, testing, planning, code-review, documentation, ci-cd
Squirrel — Full-Cycle Software Development Skill
Overview
Squirrel is a full-cycle AI coding skill that works across 9 AI coding agents. It auto-detects project state (greenfield, in-progress, or mature) and adapts its 8-phase engineering pipeline accordingly. Instead of a one-size-fits-all workflow, it figures out where the project actually is and jumps in at exactly the right point.
When to Use This Skill
- Use when starting a new project from scratch (greenfield)
- Use when improving an existing codebase (in-progress or mature)
- Use when fixing bugs, adding features, or refactoring
- Use when adding tests, linting, or CI/CD to a project
- Use when writing production-grade documentation
- Use when the user says "build me", "fix this", "squirrel this project", or any multi-step development task
How It Works
Step 0: Detect Mode
Squirrel classifies the project directory:
| Signal | Mode | Entry Point |
|---|---|---|
| Empty directory | Greenfield | All 8 phases from scratch |
| Source files, no tests/docs | In-Progress | Audit first, then improve |
| Source + tests + CI + README | Mature | Targeted improvements |
| "fix this bug / add feature" | Targeted | Scoped work only |
The 8-Phase Pipeline
- Discover — Understand the project (audit existing code or gather requirements)
- Plan — Concrete task list with dependencies and done-criteria
- Build — Write or modify code (parallel sub-agents when supported)
- Test — Run existing tests, write new ones, 70%+ coverage target
- Bug Hunt — Static analysis + manual review
- Polish — Lint, format, type check, remove dead code
- Document — README + inline docs (update existing, don't overwrite)
- Ship — Final checklist: tests green, no secrets, CI configured
Show full SKILL.md (185 more words)Show less
Failure Recovery (3-Strike Rule)
- Strike 1: Fix the specific error. Run tests. Move on.
- Strike 2: Re-read the code. Try a different approach.
- Strike 3: STOP. Revert. Document what failed. Ask the user.
Examples
Example 1: Build a REST API
> build me a REST API for a todo app with TypeScript and ExpressSquirrel auto-detects greenfield mode and runs all 8 phases.
Example 2: Fix a bug
> fix this bug in src/auth/login.pySquirrel enters targeted mode — abbreviated audit, scoped fix, verify.
Example 3: Improve existing project
> squirrel this project — add tests, fix lint errors, write READMESquirrel audits the existing codebase, then applies phases 4-8.
Best Practices
- Respects existing code — matches naming conventions, test framework, import style, and architecture
- Reads 2-3 similar files before writing a new one
- Never suppresses type errors with
as anyor@ts-ignore - Never deletes failing tests to "pass"
- Never leaves code in a broken state
Platform Compatibility
Squirrel works on: Claude Code, Codex, Cursor, Antigravity, Gemini CLI, GitHub Copilot, Windsurf, OpenCode, Aider (9 total).
Install with:
# Universal installer
npx skills add flyingsquirrel0419/squirrel-skill
Limitations
- Does not replace environment-specific validation or expert review
- CI/CD templates are starting points, not drop-in guarantees
- Parallel sub-agent execution depends on platform support
Related Skills
@brainstorming- For planning before implementation@test-driven-development- For TDD-oriented workflows@systematic-debugging- For methodical problem-solving
© sickn33, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in skills/squirrel of sickn33/agentic-awesome-skills.
Open the folder on GitHubat commit 1e53ce2
Used in 1 other repository
We found 5 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in sickn33/agentic-awesome-skills, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Squirrel 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 |
|---|---|---|---|---|---|---|
| Squirrel this skillsickn33/agentic-awesome-skills | 47k | 1 repos | ~1k | Automated safety check: Pass | Apache-2.0 | |
| Install Anti-Slop Oxlint Rulesdmmulroy/anti-slop | 5.2k | — | ~2.2k | Automated safety check: Pass | MIT | |
| Babysit PR To Pass CIsgl-project/sglang | 37k | 2 repos | ~3k | Automated safety check: Pass | Apache-2.0 | |
| Rust Best Practicesfarm-fe/farm | 5.6k | 3 repos | ~1.1k | Automated safety check: Pass | MIT | |
| Go Pedantrychromedp/chromedp | 13k | — | ~3.7k | Automated safety check: Pass | MIT | |
| Kedro Babysitkedro-org/kedro | 11k | — | ~4k | Automated safety check: Pass | Custom licence |
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Related
Categories
Questions about Squirrel
What does Squirrel do?
Full-cycle AI coding skill: plans, builds, tests, lints, fixes bugs, and writes production-grade docs. Squirrel is an agent skill from sickn33/agentic-awesome-skills. Full-cycle AI coding skill: plans, builds, tests, lints, fixes bugs, and writes production-grade docs.
When should I use Squirrel?
Squirrel fits situations like: tasks that involve Linting and formatting.
How do I install Squirrel in Claude Code?
Run `npx skills add sickn33/agentic-awesome-skills --skill squirrel -a claude-code`. Or copy the skill folder (skills/squirrel in sickn33/agentic-awesome-skills) into .claude/skills/squirrel in your project. Claude Code loads it when a task matches its description.
How do I install Squirrel in Codex?
Run `npx skills add sickn33/agentic-awesome-skills --skill squirrel -a codex`. Or copy the skill folder (skills/squirrel in sickn33/agentic-awesome-skills) into .agents/skills/squirrel in your project. Codex loads it when a task matches its description.
Can I use Squirrel 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 sickn33/agentic-awesome-skills --skill squirrel -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/squirrel, .gemini/skills/squirrel, .github/skills/squirrel and .opencode/skills/squirrel in your project.
What does Squirrel need to run?
Going by SKILL.md and its folder, Squirrel needs the command-line tools its instructions call (npx). Our summary lists: Node.js.
Does Squirrel access the network?
SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Squirrel 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 Squirrel use?
Squirrel is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Squirrel use?
About 1k tokens (SKILL.md is roughly 4.2k 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 Squirrel?
Skills that share tags, products or a category with Squirrel: Install Anti-Slop Oxlint Rules (dmmulroy/anti-slop, 5.2k stars), Babysit PR To Pass CI (sgl-project/sglang, 37k stars), Rust Best Practices (farm-fe/farm, 5.6k stars) and Go Pedantry (chromedp/chromedp, 13k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Squirrel?
sickn33 (a GitHub user) maintains it in sickn33/agentic-awesome-skills, which has 47,304 GitHub stars. The repository holds 1,394 skills in this directory. The repository was last updated on October 6, 2026.
Source: sickn33/agentic-awesome-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.