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hermes-agent/plugins/memory/openviking
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harshitAgr 2ea8d5c537 fix(openviking): close session-boundary races on sync_turn and on_session_end 
Two hardening fixes prompted by review on #28296:

1. sync_turn() now snapshots the target session id before spawning the
   worker. The previous code read self._session_id inside the worker, so
   a worker delayed past on_session_switch's bounded join could read the
   rotated-in NEW id and write the OLD turn's messages into the wrong
   session.

2. on_session_end() resets _turn_count to 0 after a successful commit,
   making the old-session commit path idempotent with the new switch
   hook. /new and compression call commit_memory_session() (which fires
   on_session_end) immediately before on_session_switch; without this,
   the old session would be committed twice. On commit failure we leave
   _turn_count > 0 so on_session_switch retries.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-20 13:19:44 +03:00
..
__init__.py fix(openviking): close session-boundary races on sync_turn and on_session_end 2026-05-20 13:19:44 +03:00
plugin.yaml feat(memory): pluggable memory provider interface with profile isolation, review fixes, and honcho CLI restoration (#4623) 2026-04-02 15:33:51 -07:00
README.md feat(memory): pluggable memory provider interface with profile isolation, review fixes, and honcho CLI restoration (#4623) 2026-04-02 15:33:51 -07:00

README.md

OpenViking Memory Provider

Context database by Volcengine (ByteDance) with filesystem-style knowledge hierarchy, tiered retrieval, and automatic memory extraction.

Requirements

  • pip install openviking
  • OpenViking server running (openviking-server)
  • Embedding + VLM model configured in ~/.openviking/ov.conf

Setup

hermes memory setup    # select "openviking"

Or manually:

hermes config set memory.provider openviking
echo "OPENVIKING_ENDPOINT=http://localhost:1933" >> ~/.hermes/.env

Config

All config via environment variables in .env:

Env Var Default Description
OPENVIKING_ENDPOINT http://127.0.0.1:1933 Server URL
OPENVIKING_API_KEY (none) API key (optional)

Tools

Tool Description
viking_search Semantic search with fast/deep/auto modes
viking_read Read content at a viking:// URI (abstract/overview/full)
viking_browse Filesystem-style navigation (list/tree/stat)
viking_remember Store a fact for extraction on session commit
viking_add_resource Ingest URLs/docs into the knowledge base