
Product memo
For who
macOS users needing inline AI actions
Solves what
Running custom AI actions and scripts on any selection without app switching.
- Global shortcut activation
- Customizable action pipelines
- Local and cloud AI support
In their own words
Act on anything. Locally.
Create & chain custom AI actions and scripts with ⌥C. Send results anywhere (Slack, GitHub, Linear, Mail...)
Select any text or image, press ⌥C, and run smart actions or chain them into pipelines: AI prompts, terminal scripts, OCR, GitHub issues, Linear tickets
Commercial cues
Model
free only
Free tier
Yes
Trial
No
Pricing Strategy
Cai is a completely free and open-source utility, with no paid tiers or monetization.
- • Offers a free, open-source product to maximize adoption and community contributions.
- • Bypasses pricing friction entirely, making it accessible to all macOS users.
- • Relies on community for development and feature expansion, not subscription pricing.
Operator context
Operating setup
Team
Indie / lean
LLM classification
Founded
Apr 2026
Platform
Desktop
Audience
Developers
Social footprint
Tech stack
Market demand
Cai keyword demand
3 keywords
Market demand is Starter-tier market intelligence.
Derived from this product’s latest SimilarWeb keyword mix — directional demand, not proof.
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Bootstrapped Lean
- Effort
- Solo Buildable
About Cai Expand
A macOS app running custom AI actions and scripts on any selection.





