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OpenViking

Open-source context database that stores agent knowledge, memory and skills as a browsable file tree.

  • AI tool
  • Free

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Pricing

Open source (AGPL-3.0; some components use other licenses); you self-host it. A browser Studio is available to try.

Overview

OpenViking, from Volcano Engine, is an open-source context database for AI agents. It keeps an agent's documents, memories and skills in one virtual file system under viking://, which agents browse with commands like ls, tree, read and grep, and which you can open to inspect or edit. Each folder has a generated summary, so an agent can read summaries first and search within one folder instead of the whole index. When a session is committed, the conversation is archived and its memories are saved as Markdown files you can edit and merge.

Key features

  • viking:// file system for knowledge, memory and skills
  • Generated summaries for every folder
  • Search scoped to a folder
  • Sessions saved as editable Markdown memories
  • Python SDK and HTTP API

Use cases

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Last updated 2026-11-08

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