Create a Message Batch changedapi/beta/messages/batches/create
Nearest release: v2.1.277, published 4 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.
Recorded here
Lines+2added
Lines−2removed
From line
1,336
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits31to this page, all time
The whole hunk
from line 1336, old and new numbered
/
from line 1336
13361336
13371337 - `BetaToolChangeMCPToolReference object`
13381338
1339 Reference to a single MCP tool by its server and remote name — the
1339 Reference to a single MCP tool by its server and remote name; the
13401340 same `server_name`/`name` pair `mcp_tool_use` carries.
13411341
13421342 - `type: "mcp_tool_reference"`
from line 1378
13781378
13791379 - `BetaToolChangeMCPToolReference object`
13801380
1381 Reference to a single MCP tool by its server and remote name — the
1381 Reference to a single MCP tool by its server and remote name; the
13821382 same `server_name`/`name` pair `mcp_tool_use` carries.
13831383
13841384 - `BetaToolChangeMCPToolsetReference object`
No line in this hunk matches that.