by NateBJones-Projects · MCP Server · ★ 2.7k
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Open Brain The infrastructure layer for your thinking. One database, one AI gateway, one chat channel. Any AI you use can plug in. No middleware, no SaaS chains, no Zapier. This isn't a notes app. It's a database with vector search and an open protocol — built so that every AI tool you use shares the same persistent memory of you. Claude, ChatGPT, Cursor, Claude Code, whatever ships next month. One brain. All of them. Open Brain was created by Nate B. Jones. Follow the Substack for updates, discussion, and the companion prompt pack. Join the Discord for real-time help and community. https://github.com/user-attachments/assets/80a79b09-f323-42c6-b11b-de10bb6fa36f Getting Started https://github.com/user-attachments/assets/85208d73-112b-4204-82fd-d03b6c397a8b Never built an Open Brain? Start here: Setup Guide — Build the full system (database, AI gateway, Slack capture, MCP server) in about 45 minutes. No coding experience needed. Or watch the video walkthrough (27 min). AI-Assisted Setup — Prefer building with Cursor, Claude Code, or another AI coding tool? Point it at this repo and go. Same system, different workflow.
| Stars | 2,655 |
| Forks | 506 |
| Language | TypeScript |
| Category | MCP Server |
| Quality Score | 41.318/100 |
| Open Issues | 89 |
| Last Updated | 2026-05-04 |
| Created | 2026-03-11 |
| Platforms | mcp, node |
| Est. Tokens | ~7315k |
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OB1 is Open Brain — The infrastructure layer for your thinking. One database, one AI gateway, one chat channel — any AI plugs in. No middleware, no SaaS.. It is categorized as a MCP Server with 2.7k GitHub stars.
OB1 is primarily written in TypeScript. It covers topics such as ai-agents, mcp, memory-layer.
You can find installation instructions and usage details in the OB1 GitHub repository at github.com/NateBJones-Projects/OB1. The project has 2.7k stars and 506 forks, indicating an active community.
The top alternatives to OB1 on Agent Skills Hub include voltagent, klavis, aci. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.