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Local-first Markdown editor that lets users and their existing AI agents co-edit the same files.

OpenMarkdown homepage screenshot

Features

  • Local plain Markdown files
  • CLI, plugin, and MCP integration
  • Agent selection reading and in-place edits
  • Real-time co-editing mode
  • Fast cold start
  • No account, cloud, or telemetry

Use Cases

  • Co-writing plans with agents
  • Editing AGENTS.md and CLAUDE.md
  • Maintaining local knowledge bases
  • Drafting terminal prompts
  • Fast Markdown previews
  • Project documentation collaboration

FAQ

Local-first Markdown editor that lets users and their existing AI agents co-edit the same files. Core capabilities include: Local plain Markdown files, CLI, plugin, and MCP integration, Agent selection reading and in-place edits.

Common scenarios include: Co-writing plans with agents, Editing AGENTS.md and CLAUDE.md, Maintaining local knowledge bases.

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