co-mment
co-mment.com- Category
- Developer Tools
- Rank
- No. 2147Tools index
Previous survey · No. 2035 ·
- Type
- TOOL
- Use case
- Productivity & Collaboration
- Interfaces
- Web
- Date
About
co-mment is a drop-in commenting widget for staging sites that lets anyone click an element on the page and leave visual feedback, with no account or browser extension needed beyond a name and email. Comments anchor to the DOM element rather than fixed coordinates, so they survive redeploys, and threads can be exported as a structured prompt for Claude Code or Cursor or turned into a Linear issue with a screenshot attached.
What it does
Per its own site, co-mment is a review layer you mount on a pre-release build: a visitor clicks the thing they mean, types a note, and it opens a thread on that spot with a screenshot. The site says each pin tracks its element through redeploys and flags drift when it cannot.
Stated on the product site
- Install surface
- npm package @planetary/co-mment for React, or a single tag without a bundler
- Commenter sign-in
- Name and email only, no account or browser extension
- Pin anchoring
- Selector chain, offsets and a text fingerprint for the clicked element
- Screenshot access
- Stored privately, served to project members through short-lived signed URLs
- Agent export
- Threads export as structured prompts for Claude Code, Cursor or other coding agents
- Issue tracker integration
- Linear: a thread becomes an issue with the screenshot attached
Not stated on the site
- The page does not show pricing or plan limits, only a free start.
- The page does not say where comments and screenshots are hosted or whether a self-hosted option exists.
- The page does not list supported browsers or say how the widget behaves on pages behind authentication.
- Linear is the only issue tracker the page names; whether others such as GitHub Issues or Jira are planned is not stated.
Written from the product site at co-mment.com.
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