For agents

One overlay. Every coding agent.

Casso is agent-agnostic. Same numbered-box workflow whether you paste into Claude Code, Codex, Cursor, or Grok CLI.

Claude Code

Point Claude Code at exact UI regions with numbered boxes. Local captures, lean prompts, no subscription. Try Casso free for 7 days.

Feed OpenAI Codex clear visual context with numbered boxes and local screenshots. Agent-agnostic. Casso, 7-day free trial then $29 once.

Give Cursor precise visual context with numbered screen annotations. Draw, note, paste - local only. Casso for Mac, 7-day free trial then $29 once.

Point Grok CLI at exact UI regions with numbered boxes. Local captures, agent-agnostic handoff. Casso, 7-day free trial then $29 once.

Also see comparisons and the blog.