- rust-overlay for stable toolchain + rust-src + rust-analyzer
- pkg-config, openssl, sqlite for reqwest + ownership DB
- cargo-watch, cargo-nextest for dev workflow
- direnv integration via .envrc
Inspired by Google Workspace CLI's skills/ directory pattern.
SKILL.md files teach AI agents how to use idx-cli commands —
plain markdown, framework-agnostic, composable workflows.