LLMs are great at novelty. Operations reward determinism.

LLMs are great at novelty. Operations reward determinism.

posted Originally published at medium.com 1 min read

Most production queries aren't novel - they're recurring patterns that have already been solved.
Re-running them through a full model call every time is unnecessary overhead.

Engram is a proposal for a deterministic operations layer that sits in front of LLMs:

  • Queries hit a confidence-weighted graph first
  • High-confidence paths return answers directly - no model call
  • Novel cases escalate to the LLM, and confirmed answers write back as reusable paths
  • The graph accumulates knowledge across sessions; model calls decrease over time

The same architecture works as an agent mesh, a structured tool gateway with policy enforcement, and persistent memory for LLM agents via MCP.

This is early-stage (Phase 1 of 15), published as a design proposal, not a product launch. I wrote up the full architecture - the reasoning, the trade-offs, and what's still an open question.

Full article

Live demos & simulations

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