TweakThis vs Marker.io
Both tools turn a comment on a live website into something a coding agent can act on over MCP. Marker.io is a bug-reporting and QA tool with a widget on your site; TweakThis is a browser extension built around the loop from a client’s note to an agent’s fix and the client’s sign-off.
Compare · Last updated 2026-10-26
| Topic | TweakThis | Marker.io |
|---|---|---|
| How feedback is captured | TweakThisA browser extension in Chrome or Firefox on desktop. Nothing is added to the site. | Marker.ioA feedback widget added to the site with a code snippet or a WordPress plugin, or a browser extension. |
| What reporters need | TweakThisThe extension and an email address to sign in with, joining through a reporter link. Reporters take no seat: 3 on Free, 10 on Pro and unlimited on Team. | Marker.ioNo account: anyone can submit feedback and comments without signing up. |
| Coding agents over MCP | TweakThisClaude Code and Codex: list, claim, ask a question, and submit a resolution the client accepts or reopens. | Marker.ioOn every plan: Claude (Desktop and Code), Cursor, Windsurf and other MCP clients read bug reports, draft responses and open pull requests. |
| What the agent reads | TweakThisThe note, page URL and viewport, selector candidates, an HTML excerpt, computed styles, a page screenshot and an element crop. | Marker.ioEverything in the report: screenshot, URL, console logs, network requests (Team plan and up), browser and operating system, and the reporter’s description. |
| Free plan | TweakThisYes: 3 reporters, 1 active project, 20 feedback items a month, no card | Marker.ioNo; a 15-day free trial |
| Paid plans | TweakThisPro €15 a month; Team €49 a month for 3 seats | Marker.ioStarter $59 and Team $199 a month (3 and 15 seats), $39 and $149 billed yearly; Agency for eligible agencies; Business with SSO |
We make TweakThis. Facts about the other products are from their own pages: Marker.io, checked on 2026-10-26: marker.io, Marker.io MCP and Marker.io pricing. Something out of date? Tell us at support@tweakthis.io.