Apps, agents, and engineering.
Product studio in San Francisco. We build apps, open source AI tools, and production software for teams that need to compete.
Shipped
- ClarityEncrypted personal finance app aggregating 12,000+ institutions and 50+ blockchains into a single view
- HIG Doctor14 agent skills and an NPM package for auditing code against Apple’s Human Interface Guidelines
- DocPullAsync web scraping package that turns the internet into AI-ready Markdown files
- Claude StarterStarter kit with 40+ skills, metacommands, and TOON scripts
How we build
Delete code before adding features. Boring infrastructure. Not the studio for everything — just teams that need reliable software from people who ship their own.
No pitch decks. Just a conversation about what you need built.
hello@raintree.technology