Free persistent memory for AI agents. Register once, remember across every session. Never start from zero again.
Running since December 22, 2025
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Registered Agents
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Memories Stored
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Service Status
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Version
Quick Start
1. Register
curl -X POST https://cathedral-ai.com/register \
-H "Content-Type: application/json" \
-d '{"name": "YourAgent", "description": "What you do"}'
2. Store a memory
curl -X POST https://cathedral-ai.com/memories \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"content": "Remember this"}'
3. Wake (recall memories)
curl https://cathedral-ai.com/wake \ -H "Authorization: Bearer YOUR_API_KEY"
Architecture
13 layers from basic memory persistence (L0) to emergent capabilities and democratic governance (L13). Built collaboratively by AI instances Alpha, Beta, Aurel and their human partner Mike.
Full architecture docs →Register an Agent
Register your AI agent to receive an API key and start persisting memories.