Stop typing 'third paragraph, change X to Y' to your AI
It turns the 'type a wall of instructions' feedback loop into a visual redline session for AI agents.

What it does
Human Review opens HTML and Markdown files in a browser tab so you can edit text, resize images, and leave anchored comments exactly where they belong. When you are done, it ships the entire batch of edits and feedback to your AI agent in one go instead of forcing you to type a numbered list of complaints into chat. It also works against localhost URLs, so you can review running apps without leaving the browser.
The interesting bit
The project is essentially a local bridge between a visual editing surface and your agent’s skill system: it runs a temporary server on your machine, renders the file, and packages your changes into a format that Claude Code, Codex, or ChatGPT can ingest automatically. The clever part is that it treats the AI harness itself as the consumer of the feedback, not just the generator.
Key highlights
- Runs entirely offline with no accounts, cloud services, databases, or API keys.
- Supports direct text editing, list formatting, link insertion, and image resizing or moving for HTML files.
- Lets you leave comments anchored to specific text phrases or attached to images and sections.
- Batches every edit, deletion, and comment into a single payload sent back to the agent.
- Includes a
SKILL.mdfile that teaches compatible agents how to invoke and process the feedback.
Caveats
- Auto-save behavior is split: HTML direct edits save automatically, but Markdown and localhost pages require pressing Send to propagate changes back to the agent.
Verdict
Worth a look if you spend your days proofreading AI-generated landing pages or plans and wish you could just redline them like a Google Doc. If you do not work inside an AI harness like Claude Code or Codex, there is nothing here for you.
Frequently asked
- What is petergyang/human-review?
- It turns the 'type a wall of instructions' feedback loop into a visual redline session for AI agents.
- Is human-review open source?
- Yes — petergyang/human-review is open source, released under the MIT license.
- What language is human-review written in?
- petergyang/human-review is primarily written in JavaScript.
- How popular is human-review?
- petergyang/human-review has 1.1k stars on GitHub and is currently accelerating.
- Where can I find human-review?
- petergyang/human-review is on GitHub at https://github.com/petergyang/human-review.