Act Workflow Syntax is a well-rated Claude Code skill (quality score 85/100) in the automation sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/act-workflow-syntax/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when creating or modifying GitHub Actions workflow files. Provides guidance on workflow syntax, triggers, jobs, steps, and expressions for creating valid GitHub Actions workflows that can be tested locally with act.
The Act Workflow Syntax skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.
mkdir -p ~/.claude/skills/act-workflow-syntax curl -L https://claudskills.com/skills/act-workflow-syntax/SKILL.md \ -o ~/.claude/skills/act-workflow-syntax/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/act-workflow-syntax/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/act-workflow-syntax/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\act-workflow-syntax\SKILL.md on Windows. See the full install guide for step-by-step instructions.
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
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