Build your
Open Brain.
Your knowledge should not live inside chat windows.
Sentiuma is a portable memory layer that turns your knowledge into a system every AI; Claude. ChatGPT. Cursor. can query. One brain.
The flow
One brain.
Five moving parts.
audio digest format.
The product
Your knowledge,
finally visible.
The Open Brain dashboard surfaces everything your notes contain — documents, people, entities, and the connections between them.
Human interface
Your Open Brain
147
23
312
Vault
AI connections
Run sentiuma mcp start then add the server URL to your AI client.
MCP server
AI doorlocalhost:3001/mcplocalThe problem
Every AI you use
builds its own memory.
Claude remembers what you told Claude. ChatGPT remembers what you told ChatGPT. Those memories never connect. Over time, your knowledge spreads across models and none of them know the whole picture.
You repeat yourself
Every new tool, every new session — you re-explain projects, people, and past decisions. The real bottleneck in AI workflows is not prompts. It is memory.
Context resets constantly
Every chat window starts from zero. Ideas you already explored get re-asked. Nothing compounds. Each session is an island.
Your notes sit idle
You already have the knowledge. It lives in markdown files, in iCloud, in Obsidian. AI tools just cannot reach it.
Switching has a cost
Moving from Claude to ChatGPT to Cursor means losing context each time. The best model for the job should not require starting over.
The shift
Move memory
outside the models.
Instead of every AI building its own memory of you, create a brain they all read from. Your knowledge becomes infrastructure.
Before
- Claude has its memory
- ChatGPT has its memory
- Cursor has its memory
- They never connect
- You repeat yourself
With Sentiuma
- One brain, every AI
- Write once, query anywhere
- Knowledge compounds
- Switch models freely
- Your data stays yours
See it work
Ask anything.
Answered from your notes.
Connect Claude, ChatGPT, or Cursor through the MCP layer. When they answer, they read from your brain — not their training data.
Based on your notes, here's what I found from last quarter:
MCP integration takes priority — you decided to focus on MCP over the API rewrite, targeting January 2026.
Speasy Q2 launch confirmed — Dave signed off in the Oct 14 team sync. Budget was approved.
Roadmap locked through Q3 — indexer v2 (Q1), multi-vault (Q2), team workspaces (Q3).
product-strategy-q4-2025.md
3 days ago
“Decided to prioritise MCP integration over the API rewrite. Timeline: January 2026.”
team-sync-oct-14.md
6 days ago
“Dave confirmed the API timeline. Speasy targeting Q2 launch. Budget approved.”
roadmap-2026.md
1 week ago
“Q1: indexer v2 with streaming. Q2: multi-vault support. Q3: team workspaces.”
How it works
Simple infrastructure.
Serious leverage.
Write notes normally
Use Ulysses, Obsidian, VS Code — any markdown editor you already use. Your files remain the source of truth. Nothing changes about how you write.
audio digest format for Speasy.
The indexer watches your folder
A lightweight macOS app monitors your iCloud markdown folder. When a file changes, it hashes the content, detects what is new, and sends updates automatically. Set and forget.
Notes become structured knowledge
The backend parses your content — chunking documents, generating embeddings, and extracting entities like people, projects, and ideas. Your notes become machine-readable without any extra work from you.
Every AI can query your brain
AI tools connect through an MCP server. They can search your notes by meaning, retrieve relevant documents, and explore relationships. Claude, ChatGPT, Cursor — they all read the same brain.
Surface what matters
Your brain notices
things you miss.
The signal engine scans your knowledge base weekly — surfacing unresolved decisions, threads going cold, and ideas worth pursuing. No extra work required.
API timeline not confirmed since Oct 14
Dave signed off on January, but no follow-up has been logged. The decision may have shifted.
Speasy hasn't appeared in notes for 30 days
Previously a recurring topic across planning docs. May have stalled or been quietly deprioritised.
MCP integration mentioned 5× in the last 2 weeks
Recurring across project notes, meeting logs, and the roadmap. Might be ready for a dedicated strategy document.
Dave's current project scope not documented
Dave appears in 14 documents but no note describes what he's actively working on.
Signals are generated weekly from your indexed knowledge base.
Who it's for
Built for people who
work with ideas over time.
Sentiuma is not a note-taking app. It is the layer that makes your existing notes useful to AI. If you already keep knowledge in markdown and want AI to reason with it — this is for you.