MEO – Markdown editor integrated into VS Code with live/source toggle

Summary: MEO is a VS Code extension that improves markdown writing by combining live and source views, a floating formatting menu, toolbar, Mermaid diagram support, contents sidebar, and optional auto-save within the editor. It eliminates context switching by integrating these features directly into VS Code.

What it does

MEO provides a live/source toggle, floating formatting menu, toolbar for common markdown elements, full-screen Mermaid diagrams, a contents sidebar, and optional auto-save inside VS Code.

Who it's for

It is designed for developers writing READMEs, documentation, and PRDs alongside code within VS Code.

Why it matters

MEO solves the problem of fragmented markdown editing in VS Code by unifying editing and preview in one interface without switching contexts.