Jun 4, 2026 · Artificial Intelligence

How to Inject Four‑Layer Memory into Every Dialogue with system_prompt.py

This article explains Hermes' three‑layer system prompt architecture—Stable, Context, and Volatile—detailing how ordered memory injection, snapshot freezing, SQLite caching, and ephemeral prompts dramatically improve LLM prefix‑cache hit rates while avoiding token waste and security risks.

HermesLLM cachingephemeral prompt

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How to Inject Four‑Layer Memory into Every Dialogue with system_prompt.py

AI Step-by-Step

Apr 27, 2026 · Artificial Intelligence

Hermes Prompt Runtime: Managing Provider, Prompt, Memory, and Context

Hermes Prompt Runtime introduces a layered architecture that first resolves the model provider, then builds a stable system prompt, freezes memory snapshots for session boundaries, isolates per‑call temporary context, and compresses long histories, thereby keeping long‑term semantics stable, improving prompt caching, and reducing context‑window pressure.

HermesPrompt RuntimeProvider Resolution

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Hermes Prompt Runtime: Managing Provider, Prompt, Memory, and Context