Whatyoubuild
ontopofit.
Token savings, persistent context, cross-session memory
Cut your token bill
Large content externalized as artifacts on first encounter. Same file needed again? Agent fetches from storage. SHA-256 dedup stores identical outputs once.
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Compare artifact fetch count vs. tool re-call count across a week. Most projects see 40–60% of calls retrievable from stored artifacts — that's your savings.
Cross-session memory
Every turn extracts typed memories with entity stamps. Next session, project-scoped recall surfaces all prior decisions, patterns, and artifacts.
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Recall by intent epoch: 'What did we decide during architecture?' Jump to any goal version without re-searching.
Survive context compaction
Two-stage compression replaces old turns with structured knowledge organized by intent version. Temporal recall snapshots what the agent knew at any turn.
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Time-travel debugging: 'What did the agent know at turn 12 when it made that decision?' Reconstruct the exact knowledge state.
Research across documents
Documents stored as artifacts. Findings as memories with entity stamps. Entity graph connects concepts across all documents via typed relations.
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Walk entity connections without search: 'Everything related to AuthService' across all documents and sessions.