OpenKnowledge: An AI-First Markdown Wiki Your Agents Can Edit

Working on team docs with an AI agent usually means copy-pasting markdown back and forth between a chat window and Notion or Obsidian. OpenKnowledge is an open-source, local-first markdown editor and LLM wiki that removes the copy-paste step. You and your agents write in the same files at the same time, with a lossless bi-directional sync keeping both sides in step.

What It Is

OpenKnowledge bills itself as a "beautiful, AI-native markdown editor" that is private, open source, and free. It gives you a full WYSIWYG editing experience, so editing markdown files feels like editing a Google Doc or a Notion page rather than wrangling raw syntax. It ships as macOS and web apps, plus a CLI for Linux.

Made for Agents

The core pitch is co-authoring with models instead of pasting at them. OpenKnowledge connects directly to Claude or Cursor over MCP, giving the model live access to your files. Highlighted capabilities:

• Lossless, bi-directional markdown sync so edits flow both ways without drift
• Built-in MCP that plugs your docs straight into Claude, Cursor, Codex, and OpenCode with no copy-paste or export
• Agent-native skills and agentic search so models can navigate, edit, and grow the knowledge base out of the box
• Per-change undo and version history to keep agent edits reviewable

Key Takeaways

• OpenKnowledge is an open-source, local-first alternative to Notion or Obsidian built for writing alongside AI agents
• It connects to Claude or Cursor via MCP so models read and edit your actual files instead of working off pasted snippets
• Lossless bi-directional sync plus version history make agent-authored docs safe to review and roll back