Inline comments on markdown files .

Redline opens a markdown file in your browser and lets you leave inline comments on any sentence. A Claude agent replies in the thread within seconds, suggests edits, and rewrites the document when you accept the round. The whole loop runs locally. No API key. No cloud.

A screen recording of Redline: a paragraph is highlighted, a comment is left, the agent replies in the sidebar with a rewrite suggestion, the comment is resolved, and the document reopens with the rewritten paragraph shown inline as a diff.

Try it

$ bunx @levistudio/redline ./your-file.md

Requires Bun and Claude Code on PATH.

Source on github.com/alevi/redline. Published to npm as @levistudio/redline. MIT licensed.