Skill Porter

About

Skill Porter is a specialized tool that automates the migration and synchronization of AI capabilities between Claude Code and Gemini CLI. It handles the technical heavy lifting of cross-platform porting, including bidirectional metadata transformation, logic inversion for tool permissions, and path variable adjustments for MCP servers. Whether you are looking to expand the reach of your existing skills or maintain a single universal codebase for both platforms, this tool ensures functional parity and validation through a streamlined, automated workflow.

Key Features

• Automated metadata transformation including YAML frontmatter and JSON manifest mapping
• Automatic MCP server path transformation and variable substitution
• Intelligent tool restriction conversion between whitelist and blacklist formats
• Comprehensive validation checks for platform-specific configuration requirements
• 34 GitHub stars
• Bidirectional conversion between Claude Code skills and Gemini CLI extensions

Use Cases

• Developing universal AI extensions that function on both Claude and Gemini platforms
• Validating that a converted extension meets all required structural and syntax standards
• Porting a Claude-specific skill to be compatible with Gemini CLI