Client Registration changedspecification/draft/basic/authorization/client-registration
Nearest release: v2.1.280, published 2 hours 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 22 Sep 2026 13:08 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 22 Sep 2026 13:37 UTC.
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Recorded here
Lines+2added
Lines−2removed
From line
58
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First seen
26 Aug 2026
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Recorded edits5to this page, all time
The whole hunk
from line 58, old and new numbered
/
from line 58
5858 "logo_uri": "https://app.example.com/logo.png",
5959 "redirect_uris": [
6060 "http://127.0.0.1:3000/callback",
61 "http://localhost:3000/callback"
61 "http://[::1]:3000/callback"
6262 ],
6363 "grant_types": ["authorization_code"],
6464 "response_types": ["code"],
from line 81
8181 Note over Client,Metadata: Client hosts metadata at<br/>https://app.example.com/oauth/metadata.json
8282
8383 User->>Client: Initiates connection to MCP Server
84 Client->>Server: Authorization Request<br/>client_id=https://app.example.com/oauth/metadata.json<br/>redirect_uri=http://localhost:3000/callback
84 Client->>Server: Authorization Request<br/>client_id=https://app.example.com/oauth/metadata.json<br/>redirect_uri=http://127.0.0.1:3000/callback
8585
8686 Server->>User: Authentication prompt
8787 User->>Server: Provides credentials
No line in this hunk matches that.