Dev.to
6/17/2026

Building a Hermes Memory Plugin for a Voice-Powered Conference Agent with Weaviate Engram🧠
Short summary
Build a voice-enabled conference agent using Hermes with persistent multi-visitor memory via Weaviate Engram. Engram's automatic memory extraction and deduplication overcomes Hermes' 2KB single-user limit. Includes plugin architecture and Python implementation walkthrough.
- •Hermes framework limited to single-user memory (2KB), insufficient for multi-visitor booth scenarios
- •Engram automatically extracts and deduplicates memories across conversations, avoiding redundant storage
- •Step-by-step implementation of memory plugin with user-scoped memory search and retrieval
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