Diffsmith
Comment on your AI agent's code and collaborate on changes.
Diffsmith is a code review studio for local git changes made by Claude Code, Cursor, Codex, Copilot, or any other AI coding agent. Open a repo, read the uncommitted diff, and click any line to leave a comment anchored to that exact spot. Then hand your notes straight back to the agent. Supports MCP for viewing your agent's replies to your comments directly at the line of code. 100% offline, one-time purchase for lifetime access.
What is Diffsmith?
Diffsmith is a code review studio for local git changes made by AI coding agents. It lets you review diffs line by line, leave anchored comments, and send feedback back to the agent via MCP.
Key features
- Open a repo and read uncommitted diffs from AI agents
- Click any line to leave an anchored comment
- Hand review notes directly back to the agent
- MCP integration for viewing agent replies at the code line
- Works with Claude Code, Cursor, Copilot, and other agents
- 100% offline, one-time purchase for lifetime access
Who it's for
- Reviewing and iterating on Claude Code or Cursor diffs
- Code review workflows where human feedback drives agent revisions
- Teams that want a structured review loop for agent-generated code
- Developers who prefer line-anchored comments over chat-style review
When not to use it
If you only use agent-generated diffs for trivial changes that you can review directly in your editor, Diffsmith adds unnecessary overhead. It shines when review iterations matter.
FAQ
Is Diffsmith free?
It is a one-time purchase for lifetime access. Pricing is not publicly listed.
Does it work with any coding agent?
It supports Claude Code, Cursor, Copilot, and any agent that produces git diffs.
Is my code data sent to any server?
Diffsmith is 100% offline. No data leaves your machine.
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