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OpenViking

Volcengine's agent context database that unifies memory, knowledge RAG and skills under a viking:// virtual filesystem; it ships a Jev rerank client that scores candidate documents against api.typesafe.ai and treats the probability as relevance.

Stars
39.6k
Language
Python
License
AGPL-3.0
Published by
Community
Last verified
Oct 2026

About this project

Website · Live Demo · GitHub · Issues · Docs · Blog.  Lark ·  WeChat ·  Discord ·  X. OpenViking is an open-source context database for AI agents — one filesystem for everything an agent knows: knowledge, memory, and skills.

Quoted from the project's README. Read the full README.

Highlights

  • 39,589 stars and AGPL-3.0; context is browsable with ls, tree, read, write, grep and find over viking:// URIs
  • Three loading tiers: L0 one-sentence abstracts, L1 overviews and L2 full content, so agents judge relevance before reading files
  • LoCoMo long-conversation accuracy rose to 80-83% from 24-57% native memory, with input tokens down 34.3-91.0%
  • Version 0.3.22; tau2-bench experience memory added +6.87pp retail and +11.87pp airline task success
  • The Jev rerank client scores each candidate with jev-latest against api.typesafe.ai because TypeSafe exposes no native rerank endpoint per the catalog summary

Watch out

AGPL-3.0. A large, fast-moving project; the Jev usage is a reranking client inside a broader retrieval system, and self-hosting needs an embedding and VLM provider.

Questions about this entry

Short answers drawn from the linked project or page.

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