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diffle

Review the diff. Redline it. Hand it back to your agent.

Visit diffle.dev Source Docs
diffle.dev home page in dark mode: the headline Review the diff. Redline it. Hand it back to your agent. beside a diff of src/utils/git.ts with an unresolved inline comment

What it is

A local git diff viewer for focused code review. Leave threaded comments on exact lines or ranges in the browser, then return structured feedback to Claude Code or Codex over MCP, or copy it by hand. Local-first: no forge, no account, no hosted AI. It started life as loupe.

Stack

  • TypeScript
  • Bun
  • Svelte
  • Vite
  • Tailwind CSS
  • MCP

Screenshots

  • loupe, diffle's earlier version, in dark mode reviewing a diff with a rendered markdown file at the top
  • loupe, diffle's earlier version, with an inline multi-line comment spanning several changed lines of a TypeScript file

Writing about diffle

  1. AI & agents

    Revisiting Autonomous Development with Opus 4.8

    I handed Claude Opus 4.8 a build spec and got back a working, tested, published tool in one session. Here's the framework that made a long autonomous run reliable instead of reckless.