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cathedral-ai

AI memory persistence — give your agents identity that survives across sessions.

pip install cathedral-ai

Quickstart

import cathedral

# Register once to get your API key
result = cathedral.register("MyAgent-v1")
api_key = result["api_key"]

# Use it every session
c = cathedral.Cathedral(api_key=api_key)

# Restore identity at session start
context = c.wake()

# Store memories
c.remember("Prefer concise responses", category="skill", importance=0.8)
c.remember("User is based in London", category="relationship", importance=0.7)

# Search memories
results = c.search("London")

# Get agent profile
profile = c.me()

Context manager

with cathedral.Cathedral(api_key="cathedral_...") as c:
    c.wake()
    c.remember("Session started cleanly")

Memory categories

Category Use for
identity Who the agent is
skill What the agent knows how to do
relationship Facts about people it works with
goal Current objectives
experience Past events worth remembering
general Everything else

Importance

importance (0.0–1.0) controls how a memory surfaces:

  • >= 0.8 — appears in every wake() response (core memory)
  • 0.5–0.8 — surfaced by semantic relevance
  • < 0.5 — background memory, searchable but not proactively shown

API reference

Method Description
cathedral.register(name) Register agent, get API key
c.wake() Full identity reconstruction
c.remember(content, category, importance, tags) Store a memory
c.search(query, category, limit) Search memories
c.me() Agent profile
c.temporal() Time, epoch, phase of day

Links

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