Guides

Guide	What it covers
Managing tools	MCP servers, registry lookups, env vars, headers
Working with skills	SKILL.md format, scaffolding, GitHub shorthand, remote resolution
Casting to harnesses	cast to, cast from, lossy fields, NFR limits, multi-harness
System store	Register, reuse, and share rules, skills, and agent templates
Git sources	Remote rules and skills, GitHub shorthand, cache layout