Open external links from MCP Apps changedconnectors/building/mcp-apps/external-links
Nearest release: v2.1.283, published under an hour after upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 25 Sep 2026 18:00 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 20 Oct 2026 18:07 UTC.
Upstream edited
Recorded here
Lines+3added
Lines−3removed
From line
55
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits5to this page, all time
The whole hunk
from line 55, old and new numbered
/
from line 55
5555
5656If your app sends `ui/open-link` without a preceding gesture, for example programmatically, on a timer, or after the browser's activation window has expired, Claude shows the modal so the user's confirmation click supplies the gesture the browser requires to open a new tab.
5757
58<Note>
59 A bypassed `ui/open-link` request resolves successfully once the open is attempted. It doesn't indicate whether the browser actually opened the tab, so don't treat the response as confirmation that the user reached the destination.
60</Note>
58> [!NOTE]
59>
60> A bypassed `ui/open-link` request resolves successfully once the open is attempted. It doesn't indicate whether the browser actually opened the tab, so don't treat the response as confirmation that the user reached the destination.
6161
6262## Design for the modal
6363
No line in this hunk matches that.