Baalda: Local-First Team Knowledge Base with CRDT Sync and MCP AI

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Baalda is an open-source collaborative notes application for teams based on plain local Markdown files. It features real-time CRDT synchronisation, per-file permissions, and integrates AI assistants as peer collaborators via the Model Context Protocol (MCP).

Key points

  1. Local-first Markdown storage: Notes are saved as standard .md files on disk without proprietary database lock-in.
  2. CRDT real-time collaboration: Keystroke-level sync allows concurrent editing without merge conflicts or lost changes.
  3. AI as a peer via MCP: Assistants read and edit notes via the Model Context Protocol, applying operational merges instead of full-file overwrites.
  4. Per-file permissions: Granular viewer or editor access can be configured for individual files within shared folders.
  5. Open-core model: The desktop app is licensed under Apache-2.0 and free, with self-hosting options for the sync backend.

Why it matters

Personal knowledge bases like Obsidian lack robust real-time multiplayer features, while cloud workspaces like Notion lock content into opaque remote databases. Baalda combines local file ownership with real-time multi-user editing and direct accessibility for AI agents.

Analysis

Baalda addresses architectural shortcomings in shared documentation. By employing CRDTs directly on Markdown files, it eliminates Git merge conflicts and cloud-drive sync delays during live editing. Integrating AI models through MCP allows agents to interact safely with team context without destructive file rewrites.

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Summary generated by AI (Gemini 3.8 Flash, 27 September 2026). It may contain errors – the original source is authoritative.

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