125 MCP Tools

Privacy First

Your AI-Powered Second Brain

Intelligent notes, semantic memory, digital twin. Privacy-first.

125

MCP Tools

REST APIs

99.9%

Uptime

<50ms

Core Features

Everything Your Brain Needs

Three exclusive capabilities, unmatched by competitors

AI Memory Engine

AI Memory never forgets

Hierarchical semantic storage (L0/L1/L2), cross-project relational retrieval, automatic knowledge graph construction. The AI finds your every detail in milliseconds.

ChromaDB

Semantic Search

Knowledge Graph

Digital Twin

Your Digital Twin

Train an AI that understands you. It remebers your skills, decision patterns, and writing style. Let it do code reviews, write weekly reports, and manage goals for you.

6 Agents

Goal Tracking

Auto Evolve

MCP Memory Service

MCP Memory as a Service

125 MCP tools one-click integration with Cursor/Antigravity/Trae. Give your AI assistant long-term memory across sessions, saving 80%+ Tokens.

125 Tools

3+ IDEs

Token Saving

Why BrainOS?

Feature Comparison

Feature	🧠 BrainOS	NotebookLM	Notion AI	Obsidian
AI Notes & Documentation	✅	✅	✅	✅
AI Q&A	✅	✅	✅	❌
Semantic Vector Search	✅	✅	❌	❌
Digital Twin	✅	❌	❌	❌
MCP Protocol Support	✅	❌	❌	❌
Privacy & Localization	✅	❌	❌	✅
Open API & SDK	✅	❌	✅	✅
Cross-IDE Integration	✅	❌	❌	❌

Simple, Transparent Pricing

Start free. Upgrade when you need more power.

Free

$0forever

100 Notes

500 Memories

1GB Storage

Basic AI Search

Community Support

Pro

$9.99/month

Unlimited Notes

10,000 Memories

50GB Storage

Advanced Semantic Search

1 Digital Twin

MCP Access

Email Support

Team

$49/month

10 Team Members

Shared Knowledge Base

Unlimited Memories

MCP + API

Role & Permissions

Priority Support

Built for Developers

125 MCP Tools · 58 REST APIs · Python & TypeScript SDKs
Equip your AI Agent with permanent memory using just 3 lines of code.

// Integrate BrainOS memory into your AI IDE
memory.save("Best practices for FastAPI async DB",
project="my-project",
importance=9)

🎨 Theme / 主题风格