Features
Features that serve the brain loop
Thirteen capabilities - from universal capture to MCP agents, marketplaces, and self-host - each auditable against the loop.
Product
Capture & ingestion
Manual, smart, OCR, voice, photo, browser chat, and IDE selection - one inbox with idempotent dedup.
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Consolidate
Graph edges in Neo4j plus pgvector embeddings - themes, dedup, and anomalies while you sleep.
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Morning briefs & delivery
Morning briefs, nudges, lagged follow-ups, and open loops pushed before you ask.
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Knowledge graph
Space-scoped Neo4j entities and relationships with Cypher guard and hybrid vector search.
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MCP & agent platform
vaibhav-brain and vaibhav-neo4j MCP servers - search, assemble, and agent-write for Cursor and Claude.
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Marketplaces
Widgets, personas, integrations, area templates, and bundles - browse and install from one shell.
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Persona packs
Pre-seeded area templates, brief sections, and default integrations tailored to how you work.
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Spaces
Personal, family, org, platform, and community - the tenancy boundary for captures, briefs, and billing.
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Self-host
One-command docker-compose stack with pluggable storage, LLM, embedding, and OCR providers.
Learn more →Surface
Mobile app
React Native with Share Sheet ingest, voice and photo capture, HealthKit, and WASM-only bundles.
Learn more →Surface
Desktop app
Electron shell with headless Rust agent, WASM and dylib bundles, and Ed25519 signature verification.
Learn more →Surface
IDE extension
VS Code and Cursor - memory context, ask-brain, code lens, and MCP installer via local daemon RPC.
Learn more →Surface
Browser extension
Chrome MV3 extension capturing ChatGPT, Claude, and DeepSeek chats with incremental dedup.
Learn more →Comparison
Not another note app
Autonomous capture, graph consolidation, and proactive briefs - not a passive folder of markdown files.
| Feature | Brrainy | Notion | Obsidian | Roam |
|---|---|---|---|---|
| Autonomous loop | Yes | No | No | Partial |
| Local LLM | Yes | No | Partial | No |
| Chat sync | Yes | No | No | No |
| Mobile capture | Yes | Partial | Partial | Partial |
| Self-hostable | Yes | No | Yes | No |
| Price | Paid plans + free tier | ~$10/mo | Free (+ Sync) | $15/mo |
Try any feature free
Soft monetization - limits shown, brain loop never hard-gated.