garrytan/gbrain

Registry

Summary

gbrain is an opinionated agent brain built on OpenClaw/Hermes, designed to power autonomous AI agents with structured reasoning and tool-use capabilities. Created by Garry Tan, it provides a modular framework for building intelligent, task-driven agents.

Key features

• Opinionated agent architecture for structured reasoning
• Built on OpenClaw/Hermes framework
• Modular design for easy customization and extension
• Supports tool-use and autonomous task execution
• TypeScript implementation for type safety and scalability

Use cases

• Building autonomous AI agents for complex workflows
• Rapid prototyping of agent-based applications
• Integrating structured reasoning into existing systems
• Experimenting with agent architectures and tool-use patterns

README excerpt

# GBrain **Search gives you raw pages. GBrain gives you the answer.** It's the brain layer your AI agent has been missing — the only one that does synthesis, graph traversal, and gap analysis in one box. I'm Garry Tan, President and CEO of Y Combinator. I built GBrain to run my own AI agents. It's the production brain behind my OpenClaw and Hermes deployments: **146,646 pages, 24,585 people, 5,339 companies**, 66 cron jobs running autonomously. My agent ingests meetings, emails, tweets, voice calls, and original ideas while I sleep. It enriches every person and company it encounters. It fixes its own citations and consolidates memory overnight. I wake up smarter than when I went to bed — and so will you. **And now it works as a company brain too.** Each person on the team gets their own slice of the brain, scoped by login. When you query, you only see what you're allowed to see — never another person's notes, never another team's data. We fuzz-tested this across every way you can read the brain (search, list, lookup, multi-source reads) and got zero leaks. Drop GBrain in as your team's shared institutional memory — the [company-brain](https://www.ycombinator.com/rfs#company-brain) shape YC just put on its Request for Startups. If you're building in that space, you might as well build on this. **[Tutorial: set up GBrain as your company brain →](docs/tutorials/company-brain.md)** Lots of personal-knowledge systems give you keyword matching and grep in a box. GBrain does that, and adds two things nobody else ships together: - **A synthesis layer that gives you the actual answer.** Synthesized, well-cited prose across people, companies, deals, and ideas. Not "here are 10 chunks that mention your query"; an actual answer with citations and an explicit note on what the b

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