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EverOS

MCPOpen source

Local-first, Markdown-native memory layer for AI agents with SQLite and LanceDB indexing.

12kApache-2.0

One portable memory layer for every AI agent: local-first, Markdown-native, user-owned, and self-evolving across apps, tools, and workflows.

Pros

  • +Markdown as source of truth, editable and Git-versioned
  • +Local-first with no managed services required
  • +Supports orthogonal retrieval by user, agent, app, project, session
  • +Self-evolving memory via reflection and knowledge wiki

Cons

  • −Requires Python 3.12+ and OpenRouter API key for full features
  • −Embedding and rerank capabilities need additional configuration
  • −Relatively new project with evolving API (v1 legacy alias)

Target audience: Developers and makers building AI agents who need a portable, user-owned memory layer across tools and workflows.

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