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description: DiffNotes lets a coding agent like Claude Code, Codex or Cursor annotate a pull request with plain-language explanations, screenshots, screen recordings,...
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og:description: DiffNotes lets a coding agent like Claude Code, Codex or Cursor annotate a pull request with plain-language explanations, screenshots, screen recordings,...
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# GitHub - igorkasyanchuk/diffnotes: Your coding agent explains its pull request; your team reads the notes, screenshots and live demos inside the diff on GitHub, GitLab and Bitbucket. Self-hosted, MIT.

**[Ruby Flow](https://daily.dev/sources/rubyflow)** · 6 min read · 0 upvotes · 0 comments

## Summary

DiffNotes lets a coding agent like Claude Code, Codex or Cursor annotate a pull request with plain-language explanations, screenshots, screen recordings, Markdown reports, CSVs and interactive HTML demos. Notes go to a DiffNotes server rather than as PR comments, with no bot comments and no notification noise. A browser extension for Chrome, Edge, Brave and Arc shows them inside the diff on GitHub, GitLab or Bitbucket. It's free at diffnotes.dev or self-hostable via one Docker container. Notes expire after a year by default, and files can be stored on disk or any S3-compatible bucket. The project is MIT licensed.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://github.com/igorkasyanchuk/diffnotes>

## Questions this post answers

### How can I get my AI coding agent to explain its pull request changes directly in the diff view?

A self-hosted, MIT-licensed tool called DiffNotes lets agents like Claude Code, Codex or Cursor annotate a PR with plain-language explanations, screenshots, screen recordings, Markdown reports, and interactive HTML demos. The notes are sent to a separate DiffNotes server rather than posted as PR comments, then shown inside the diff on GitHub, GitLab or Bitbucket via a browser extension.

_daily.dev surfaces tools like this for developers building AI-assisted code review workflows._

### Is there a way to show AI-generated pull request context without posting extra bot comments on GitHub?

Yes, DiffNotes routes agent-generated PR annotations to its own server instead of GitHub, GitLab or Bitbucket, so no bot comments or notification noise appear on the PR itself. A browser extension then overlays the notes, screenshots and demos inside the diff view for reviewers who install it.

_developers tuning noisy review workflows can track tools like this through daily.dev._

### Can I self-host a PR annotation tool so code context never leaves my company's infrastructure?

Yes, DiffNotes can run as a single Docker container with a mounted volume on any Docker host, keeping code context on your own infrastructure instead of a hosted service. Setup requires setting ADMIN_EMAIL and PUBLIC_URL environment variables, and it supports file storage on disk or S3-compatible buckets like Backblaze B2, Cloudflare R2 or MinIO.

_teams evaluating self-hosted developer tooling options can follow updates like this on daily.dev._

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---

Tags: [#ai-agents](https://daily.dev/tags/ai-agents), [#typescript](https://daily.dev/tags/typescript), [#ai-coding](https://daily.dev/tags/ai-coding), [#bitbucket](https://daily.dev/tags/bitbucket)

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