Arena
Where intent is formed together.
Some decisions aren't typed, they're negotiated. Arena combines real-time conversation, a shared editor, and automatic decision extraction.
Request demoHow it works
From conversation to artifact.
Messy discussions become structured decisions. Automatically.
Real-time editor
A shared markdown editor where decisions get written as they form.
Live transcription
Conversations automatically transcribed as the meeting happens.
Decision extraction
AI identifies decisions, action items, and key context automatically.
Every session produces output agents can use.
Decisions, action items, context — extracted automatically and written to your project's intent record.
No more "what did we decide?" after the call ends.
Built for:
- Planning sessions
- Debugging together
- Design reviews
- Architecture decisions
- Onboarding walkthroughs
Session output
3 participants
## Decisions
1. WebSocket for real-time (not polling)
2. Redis for session state
3. 30-day retention on transcripts
## Action items
- @alex: Prototype WebSocket handler
- @sarah: Set up Redis cluster
Participants: @alex, @sarah, @mike
Connects to Repo.
Arena outputs write directly to your project's intent folder. Decisions from sessions become part of the permanent record, versioned with your code.
Learn about Repo →