Create a Message changedapi/beta/messages/create
Nearest release: v2.1.286, published 6 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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117
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14 Aug 2026
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Recorded edits20to this page, all time
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118118 - `"mcp-client-2026-09-15"`
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120 - `"ce-plugins-2026-09-01"`
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120122- `"anthropic-user-profile-id": optional string`
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122124 The user profile ID to attribute this request to. Use when acting on behalf of a party other than your organization. Requires the `user-profiles` beta header.
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72127214 The tool's description as the MCP server lists it.
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7214 - `BetaResponseToolRem
No line in this hunk matches that.