Agent Creator Creates spec-compliant agent .md files following the Anthropic 2026 16-field schema. Supports both creation of new agents and validation of existing ones. Overview Agent Creator fills the gap between ad-hoc agent files and production-grade agents that pass marketplace validation. It enforces the Anthropic agent schema (14 valid fields), prevents common mistakes (using instead of , adding invalid fields like or ), and produces agents with substantive body content that actually guides Claude's behavior. Key difference from skill-creator: agents support both (allowlist) AND (denyli…