Follow Discord
Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.319 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 11 Sep 2026
One change · api

Count tokens in a Message changedapi/beta/messages/count_tokens

Nearest release: v2.1.269, published under an hour after 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+0added
Lines−20removed
From line 517 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits29to this page, all time

The whole hunk

from line 517, old and new numbered
/
lines
from line 517
517517 
518518 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
519519 
520 Tool invocation directly from the model.
521 
522520 - `BetaDirectCaller object`
523521 
524522 Tool invocation directly from the model.
from line 772
774772 
775773 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
776774 
777 Tool invocation directly from the model.
778 
779775 - `BetaDirectCaller object`
780776 
781777 Tool invocation directly from the model.
from line 828
832828 
833829 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
834830 
835 Tool invocation directly from the model.
836 
837831 - `BetaDirectCaller object`
838832 
839833 Tool invocation directly from the model.
from line 894
900894 
901895 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
902896 
903 Tool invocation directly from the model.
904 
905897 - `BetaDirectCaller object`
906898 
907899 Tool invocation directly from the model.
from line 962
970962 
971963 - `content: BetaCodeExecutionToolResultBlockParamContent`
972964 
973 Code execution result with encrypted stdout for PFC + web_search results.
974 
975965 - `BetaCodeExecutionToolResultErrorParam object`
976966 
977967 - `type: "code_execution_tool_result_error"`
from line 1283
12931283 
12941284 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
12951285 
1296 Reference to a single tool the caller declared directly in
1297 `tools[]`. Does not accept the composed `{server}_{name}` form the
1298 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
1299 `mcp_toolset_reference` for those.
1300 
13011286 - `BetaToolChangeToolReference object`
13021287 
13031288 Reference to a single tool the caller declared directly in
from line 1330
13451330 - `type: "tool_removal"`
13461331 
13471332 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
1348 
1349 Reference to a single tool the caller declared directly in
1350 `tools[]`. Does not accept the composed `{server}_{name}` form the
1351 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
1352 `mcp_toolset_reference` for those.
13531333 
13541334 - `BetaToolChangeToolReference object`
13551335 
Feedback