Local-first Markdown editor that lets users and their existing AI agents co-edit the same files.
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
OpenMarkdown is a local-first Markdown editor built with Rust and Tauri 2 for fast startup and plain `.md` files. It does not bundle an AI model; instead, its CLI, plugins, and MCP integration connect existing agents such as Claude Code, Codex, Gemini CLI, Copilot, and Cursor so they can read selections, jump to sections, and co-edit the same file. It requires no account and collects no telemetry. 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.
