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Agent skill

Bat Cat

by penpot in penpot/penpot

A cat clone with syntax highlighting, line numbers, and Git integration - a modern replacement for cat.

MPL-2.0Auto-check passedDevelopment

Install Bat Cat

skills CLI
$ npx skills add penpot/penpot --skill bat-cat -a claude-code

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

GitHub CLI
$ gh skill install penpot/penpot bat-cat --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/penpot/penpot.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/bat-cat .claude/skills/bat-cat && 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
bat-cat
GitHub stars
61k
Used in
2 other repos
Token cost
~1.1k tokens
SKILL.md length
202 words
Files
1
Skills in repo
24
Repo updated
First seen
Licence
MPL-2.0

At a glance

A cat clone with syntax highlighting, line numbers, and Git integration - a modern replacement for cat.

  • Tasks that involve Git workflow
  • SKILL.md covers When to use, Quick Start, Syntax Highlighting and Line Ranges, plus 9 more sections
  • Calls rg

What it does

Bat Cat is an agent skill from penpot/penpot. A cat clone with syntax highlighting, line numbers, and Git integration - a modern replacement for cat.

Its SKILL.md is about 1.1k 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 Git workflow. It works with Git. The repository describes itself as: Penpot: The open-source design platform for Product teams that need scalable collaboration. The licence is MPL-2.0.

When your agent uses it

  • Tasks that involve Git workflow

Example prompts

  • “/bat-cat”

What it can do on your machine

Read from SKILL.md and the folder at commit fc8a126. 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:

    • rg

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

  • Network

    Links to these hosts (documentation or services it may open):

    • github.com

    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

Bat Cat loads about 1.1k tokens when it runs. Until then it costs about 28 tokens; SKILL.md has 202 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~28
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k

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 penpot/penpot at commit fc8a126, republished under its MPL-2.0 licence (© penpot). 202 words, ~1,057 tokens.

Download SKILL.mdSave it as .claude/skills/bat-cat/SKILL.md (or your agent's skills folder).
name
bat-cat
description
A cat clone with syntax highlighting, line numbers, and Git integration - a modern replacement for cat.
homepage
https://github.com/sharkdp/bat

bat - Better cat

cat with syntax highlighting, line numbers, and Git integration.

When to use

  • Reading or displaying a file in the terminal — prefer it over plain cat: syntax highlighting, line numbers, git-side indicators.

Quick Start

Basic usage
bash
# View file with syntax highlighting
bat README.md

# Multiple files
bat file1.js file2.py

# With line numbers (default)
bat script.sh

# Without line numbers
bat -p script.sh
Viewing modes
bash
# Plain mode (like cat)
bat -p file.txt

# Show non-printable characters
bat -A file.txt

# Squeeze blank lines
bat -s file.txt

# Paging (auto for large files)
bat --paging=always file.txt
bat --paging=never file.txt

Syntax Highlighting

Language detection
bash
# Auto-detect from extension
bat script.py

# Force specific language
bat -l javascript config.txt

# Show all languages
bat --list-languages
Themes
bash
# List available themes
bat --list-themes

# Use specific theme
bat --theme="Monokai Extended" file.py

# Set default theme in config
# ~/.config/bat/config: --theme="Dracula"

Line Ranges

bash
# Show specific lines
bat -r 10:20 file.txt

# From line to end
bat -r 100: file.txt

# Start to specific line
bat -r :50 file.txt

# Multiple ranges
bat -r 1:10 -r 50:60 file.txt

Git Integration

bash
# Show Git modifications (added/removed/modified lines)
bat --diff file.txt

# Show decorations (Git + file header)
bat --decorations=always file.txt

Output Control

bash
# Output raw (no styling)
bat --style=plain file.txt

# Customize style
bat --style=numbers,changes file.txt

# Available styles: auto, full, plain, changes, header, grid, numbers, snip
bat --style=header,grid,numbers file.txt

Common Use Cases

Quick file preview:

bash
bat file.json

View logs with syntax highlighting:

bash
bat error.log

Compare files visually:

bash
bat --diff file1.txt
bat file2.txt

Preview before editing:

bash
bat config.yaml && vim config.yaml

Cat replacement in pipes:

bash
bat -p file.txt | grep "pattern"

View specific function:

bash
bat -r 45:67 script.py  # If function is on lines 45-67

Integration with other tools

As pager for man pages:

bash
export MANPAGER="sh -c 'col -bx | bat -l man -p'"
man grep

With ripgrep:

bash
rg "pattern" -l | xargs bat

With fzf:

bash
fzf --preview 'bat --color=always --style=numbers {}'

With diff:

bash
diff -u file1 file2 | bat -l diff

Configuration

Create ~/.config/bat/config for defaults:

# Set theme
--theme="Dracula"

# Show line numbers, Git modifications and file header, but no grid
--style="numbers,changes,header"

# Use italic text on terminal
--italic-text=always

# Add custom mapping
--map-syntax "*.conf:INI"

Performance Tips

  • Use -p for plain mode when piping
  • Use --paging=never when output is used programmatically
  • bat caches parsed files for faster subsequent access

Tips

  • Alias: alias cat='bat -p' for drop-in cat replacement
  • Pager: Use as pager with export PAGER="bat"
  • On Debian/Ubuntu: Command may be batcat instead of bat
  • Custom syntaxes: Add to ~/.config/bat/syntaxes/
  • Performance: For huge files, use bat --paging=never or plain cat

Common flags

  • -p / --plain: Plain mode (no line numbers/decorations)
  • -n / --number: Only show line numbers
  • -A / --show-all: Show non-printable characters
  • -l / --language: Set language for syntax highlighting
  • -r / --line-range: Only show specific line range(s)

Documentation

GitHub: https://github.com/sharkdp/bat Man page: man bat Customization: https://github.com/sharkdp/bat#customization

© penpot, MPL-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 .agents/skills/bat-cat of penpot/penpot.

Open the folder on GitHubat commit fc8a126

Used in 2 other repositories

We found 3 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in penpot/penpot, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Bat Cat 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.

Bat Cat compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Bat Cat this skillpenpot/penpot61k2 repos~1.1kAutomated safety check: PassMPL-2.0
Finishing a Development Branchobra/superpowers296k5 repos~1.9kAutomated safety check: PassMIT
Code Design Rationale Investigatorcursor/plugins10k9 repos~2.6kAutomated safety check: PassNone
Contributor-First PR MergeHKUDS/OpenHarness16k1 repos~847Automated safety check: PassMIT
Migrate Internal Package into GhostTryGhost/Ghost55k—~3.8kAutomated safety check: PassMIT
Create Pull Requestcline/cline70k1 repos~1.6kAutomated safety check: PassApache-2.0

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Works with

Categories

Questions about Bat Cat

What does Bat Cat do?

A cat clone with syntax highlighting, line numbers, and Git integration - a modern replacement for cat. Bat Cat is an agent skill from penpot/penpot. A cat clone with syntax highlighting, line numbers, and Git integration - a modern replacement for cat.

When should I use Bat Cat?

Bat Cat fits situations like: tasks that involve Git workflow.

How do I install Bat Cat in Claude Code?

Run `npx skills add penpot/penpot --skill bat-cat -a claude-code`. Or copy the skill folder (.agents/skills/bat-cat in penpot/penpot) into .claude/skills/bat-cat in your project. Claude Code loads it when a task matches its description.

How do I install Bat Cat in Codex?

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

Can I use Bat Cat 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 penpot/penpot --skill bat-cat -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/bat-cat, .gemini/skills/bat-cat, .github/skills/bat-cat and .opencode/skills/bat-cat in your project.

What does Bat Cat need to run?

Going by SKILL.md and its folder, Bat Cat needs the command-line tools its instructions call (rg).

Does Bat Cat access the network?

SKILL.md names 1 domain. As links in the text: github.com. This is read from the text; nothing was executed.

Is Bat Cat 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 Bat Cat use?

Bat Cat is published under the MPL-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Bat Cat use?

About 1.1k 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 Bat Cat?

Skills that share tags, products or a category with Bat Cat: Finishing a Development Branch (obra/superpowers, 296k stars), Code Design Rationale Investigator (cursor/plugins, 10k stars), Contributor-First PR Merge (HKUDS/OpenHarness, 16k stars) and Migrate Internal Package into Ghost (TryGhost/Ghost, 55k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Bat Cat?

penpot (a GitHub organization) maintains it in penpot/penpot, which has 60,770 GitHub stars. The repository holds 24 skills in this directory. The repository was last updated on October 7, 2026.

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