Project 01

Vault: The Knowledge Engine

A local-first notes app that brings together everything you've saved, highlighted, or written — private, fast, AI-ready. Open-source developed and free to use.

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Private

Secure by Design

Every note is plain Markdown text with total control. Local-first architecture means your thoughts never leave your machine unless you say so. Zero telemetry. Zero cloud dependency. Zero lock-in.

Blazing Fast

Native Performance

Native desktop performance that keeps pace with how you think. A knowledge engine that responds the moment you do. Built for professionals who refuse to wait.

AI-Ready

Progressive Context

Every note, highlight, and document compounds into deeper AI context, building a continuously evolving knowledge engine. You control what to share with local or cloud AI, nothing is sent automatically.

The Stack

Built for performance, stability, and longevity.

Progressive Context

  • Multi-Model AI ChatLocal or cloud — OpenAI, Claude, Gemini, Ollama, LM Studio
  • Advanced AI CLI AgentsFull agent mode with Claude Code, OpenAI Codex, Gemini CLI
  • MCP NativeModel Context Protocol for AI agent workflows

Core Engine

  • RustMemory-safe, high-performance core
  • Plugin HubExtensible architecture with permission controls
  • Rich Text EditorPlain Markdown files with full rich text syntax support

Storage Layer

  • Plain MarkdownNo lock-in. No tracking. Your files, your way.
  • Flexible StorageLocal folders or cloud sync via iCloud, OneDrive, Box, Google Drive
  • AI-Ready IDsEvery note gets a unique ID for consistent AI context

Designed for professionals.

Progressive Context

Your highlights show what catches your attention. Your notes explain why. Together, they teach the AI what resonates with you. Generic AI gives generic answers. Yours gives answers that actually fit.

Progressive Context

Workflow

  • 1.Highlight what resonates in PDFs
  • 2.Add quick notes to capture why it matters
  • 3.Your AI agent develops a deeper understanding of the patterns that resonate with your intent

Creative Synthesis

Overcome writer's block by using your past thoughts as raw material for new ideas. Your vault becomes an active partner in creation.

Workflow

  • 1.Query your vault for related concepts
  • 2.Generate drafts based on your unique perspective
  • 3.Refine ideas with context-aware suggestions