skill-downloader

Review·Scanned 2/18/2026

This skill downloads and installs Claude Code skills from GitHub and archive URLs into ./.claude/skills/. It performs external downloads (e.g., https://example.com/my-skill.zip) and runs git via subprocess.run, enabling network access and command execution.

by nicepkg·vd167b41·23.9 KB·77 installs
Scanned from main at d167b41 · Transparency log ↗
$ vett add nicepkg/ai-workflow/skill-downloaderReview findings below

Skill Downloader

Download and install Claude Code skills from multiple sources.

Supported Sources

Source TypeExamples
GitHub Repositoryhttps://github.com/user/repo, github.com/user/repo
Compressed Archive.zip, .tar.gz, .tgz, .skill (renamed zip)
Direct URLURL pointing to archive or skill folder

Usage

Download from GitHub

python scripts/download_from_github.py <repo-url> <skill-path> --output <target-dir>

Examples:

# Official Anthropic skills
python scripts/download_from_github.py https://github.com/anthropics/skills skills/docx --output ./.claude/skills/

# Community skills (root level)
python scripts/download_from_github.py https://github.com/gked2121/claude-skills social-repurposer --output ./.claude/skills/

# Nested skill path
python scripts/download_from_github.py https://github.com/MadAppGang/claude-code skills/content-brief --output ./.claude/skills/

Download from Archive

python scripts/download_from_archive.py <url-or-path> --output <target-dir>

Examples:

# From URL
python scripts/download_from_archive.py https://example.com/skills/my-skill.zip --output ./.claude/skills/

# From local file
python scripts/download_from_archive.py ./downloads/my-skill.tar.gz --output ./.claude/skills/

# .skill files (renamed zip)
python scripts/download_from_archive.py https://skillhub.club/download/awesome-skill.skill --output ./.claude/skills/

Unified Download Command

python scripts/download_skill.py <source> --output <target-dir>

Automatically detects source type:

  • GitHub URL → Uses git sparse checkout
  • Archive URL/path → Downloads and extracts
  • Directory path → Copies directly

Examples:

# Auto-detect GitHub
python scripts/download_skill.py https://github.com/anthropics/skills/tree/main/skills/docx --output ./.claude/skills/

# Auto-detect archive
python scripts/download_skill.py https://example.com/my-skill.zip --output ./.claude/skills/

Validation

All download methods validate:

  1. Skill folder contains SKILL.md
  2. SKILL.md has valid YAML frontmatter with name and description
  3. No malicious content patterns detected

Output Structure

Downloaded skills are placed in:

<output-dir>/
└── <skill-name>/
    ├── SKILL.md        # Required
    ├── scripts/        # Optional
    └── ...

Error Handling

ErrorCauseSolution
Skill already existsTarget directory existsUse --force to overwrite
SKILL.md not foundInvalid skill packageVerify source contains SKILL.md
Invalid archiveCorrupted or unsupported formatCheck file integrity
Network errorDownload failedRetry or check URL

Integration with Workflow Creator

When used with workflow-creator, download skills to workflow's .claude/skills/ directory:

# Create workflow first
python /path/to/workflow-creator/scripts/create_workflow.py my-workflow --path ./workflows

# Then download skills
python scripts/download_skill.py https://github.com/anthropics/skills/tree/main/skills/docx --output ./workflows/my-workflow/.claude/skills/

Skill Sources Reference

Popular skill repositories: