Agent Memory Write Policies: Reject by default to prevent data rot
blaizedsouza · x · 2026-08-20
The post argues that agent memory stores rot easily without strict write policies. Developers should follow this Memory Write Policy Cheatsheet:
- Trust Only: Allow writes only from trusted steps
- Reason & Source: Require a reason and source for each write
- Confidence Check: Reject low confidence facts
- Deduplicate: Deduplicate before insert
- Metadata: Tag owner, tenant, and expiry
- Audit: Log who wrote what and when
Core principle: Bad writes are more expensive than missed writes. Default to reject; only promote what you can defend.
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