Comments pinned to the page
Clients click the exact spot and write. No screenshots in chat, no “which button?”.
Website feedback, made for developers
Client feedback.
Right on localhost.
Clients comment on your real website. You review it where you work, by page and branch, and hand it to your coding agent.
- 14 framework starters
- 11 languages
- Works with strict CSP
What CommentKit does
Every environment
Feedback from staging and production shows up on your localhost, filtered by branch.
- localhost:3000
- preview · feat/pricing
- acme.com
Ready for your AI agent
Copy a comment with its page, element and source file, or let your agent read it over MCP.
CK-12 · /pricing src/Pricing.tsx:42 “Make this bigger on mobile.”
Clients just sign in
Invite reviewers by email. They verify with a code and comment. No extension, no account setup.
One line, any stack
A script tag or the npm package. The same widget everywhere.
React
Next.js
Vue
Svelte
Angular
Any website