Count tokens in a Message changedapi/beta/messages/count_tokens
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
1,304
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits30to this page, all time
The whole hunk
from line 1304, old and new numbered
/
from line 1304
13041304
13051305 - `BetaToolChangeMCPToolReference object`
13061306
1307 Reference to a single MCP tool by its server and remote name — the
1307 Reference to a single MCP tool by its server and remote name; the
13081308 same `server_name`/`name` pair `mcp_tool_use` carries.
13091309
13101310 - `type: "mcp_tool_reference"`
from line 1346
13461346
13471347 - `BetaToolChangeMCPToolReference object`
13481348
1349 Reference to a single MCP tool by its server and remote name — the
1349 Reference to a single MCP tool by its server and remote name; the
13501350 same `server_name`/`name` pair `mcp_tool_use` carries.
13511351
13521352 - `BetaToolChangeMCPToolsetReference object`
No line in this hunk matches that.