How it fires
The MCP server instructs the model to call org_context_lookup with the first user prompt. The lookup runs hybrid lexical + semantic search against the org's receipt pool.
Hit rate over time
Day 1: ~0% (no past receipts). Day 30: ~5%. Day 90: ~18% as the receipt pool grows. The de-dup value compounds as the institutional memory grows.
Privacy
Respects per-project ACLs. Confidential projects don't surface in lookups for unauthorized users.
Latency
~120ms — added at conversation start, below the user-perceptible threshold.