Metis 1.0

First stable release of Metis, a coding skill for LLM agents.

Metis guides agents toward:

• call-site-first API design
• plain data plus focused systems
• simple control flow
• boundary validation and idempotency
• behavior-first testing
• SOLID without ceremony
• final verification and anti-slop cleanup

This release includes:

• Codex-compatible skill files
• Claude Code skill support
• a portable prompt for tools without skill support
• optional concrete examples
• isolated eval cases and a local eval runner