Optchat
OptChat-style endless memory for Hermes: an append-only verbatim log plus a binary summary tree, exposed as recall through the MemoryProvider ABC. Background compactor builds the tree with a cheap auxiliary model (call_llm task optchat_compact); prefetch returns a fixed-budget view of the whole history; optchat_zoom/optchat_date tools open any line down to the verbatim message.
Good to know before installing
Every turn's user messages, agent replies, tool calls and tool results (each result capped at 30,000 characters, after Hermes's secret redaction) are appended permanently to unencrypted owner-only files under $HERMES_HOME/optchat/, with no deletion or retention limit; a background compactor sends those messages and the surrounding summary view to your auxiliary model route (task optchat_compact) for summarization; each turn injects up to view_budget_chars (default 16,000) of that history into the model context.
From the plugin's catalog listing.
How to install
- Install it. Hermes asks for any API keys it needs, then asks whether to turn it on.
hermes plugins install optchat - Said no? Turn it on later:
hermes plugins enable optchat - Restart Hermes so it loads the plugin.
Some plugins also need a sign-in or settings: see Full setup & settings. Memory plugins ask whether to become your memory provider instead. Steps follow the official plugins guide (opens in a new tab).
- Category
- Memory & notes
- Maintained by
- ahrazzle (Community)
- Needs
- No API keys declared
- Adds tools
optchat_zoomoptchat_date- Works on
- linux, macos, windows
- Needs Hermes
- 0.21.6 or newer
- Version
- 0.1.0
- In the catalog
- 2026-10-10
- GitHub stars
- 4
Full setup & settings ↗Source code ↗
More in memory & notes
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