Sweep 22 Sep 2026 · 15:52Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
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One change · api

Messages changed

api/beta/messages

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+109added
Lines−333removed
From line 531 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits13to this page, all time

The whole hunk

from line 531, old and new numbered
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lines

This page is larger than the 256 KiB this site keeps, so one side of the diff below stops where the stored text does.

from line 531
531531 
532532 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
533533 
534 Tool invocation directly from the model.
535 
536534 - `BetaDirectCaller object`
537535 
538536 Tool invocation directly from the model.
from line 786
788786 
789787 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
790788 
791 Tool invocation directly from the model.
792 
793789 - `BetaDirectCaller object`
794790 
795791 Tool invocation directly from the model.
from line 842
846842 
847843 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
848844 
849 Tool invocation directly from the model.
850 
851845 - `BetaDirectCaller object`
852846 
853847 Tool invocation directly from the model.
from line 908
914908 
915909 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
916910 
917 Tool invocation directly from the model.
918 
919911 - `BetaDirectCaller object`
920912 
921913 Tool invocation directly from the model.
from line 976
984976 
985977 - `content: BetaCodeExecutionToolResultBlockParamContent`
986978 
987 Code execution result with encrypted stdout for PFC + web_search results.
988 
989979 - `BetaCodeExecutionToolResultErrorParam object`
990980 
991981 - `type: "code_execution_tool_result_error"`
from line 1297
13071297 
13081298 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
13091299 
1310 Reference to a single tool the caller declared directly in
1311 `tools[]`. Does not accept the composed `{server}_{name}` form the
1312 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
1313 `mcp_toolset_reference` for those.
1314 
13151300 - `BetaToolChangeToolReference object`
13161301 
13171302 Reference to a single tool the caller declared directly in
from line 1345
13601345 
13611346 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
13621347 
1363 Reference to a single tool the caller declared directly in
1364 `tools[]`. Does not accept the composed `{server}_{name}` form the
1365 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
1366 `mcp_toolset_reference` for those.
1367 
13681348 - `BetaToolChangeToolReference object`
13691349 
13701350 Reference to a single tool the caller declared directly in
from line 4221
42414221 
42424222 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
42434223 
4244 Tool invocation directly from the model.
4245 
42464224 - `BetaDirectCaller object`
42474225 
42484226 Tool invocation directly from the model.
from line 4283
43054283 
43064284 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
43074285 
4308 Tool invocation directly from the model.
4309 
43104286 - `BetaDirectCaller object`
43114287 
43124288 Tool invocation directly from the model.
from line 4341
43654341 
43664342 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
43674343 
4368 Tool invocation directly from the model.
4369 
43704344 - `BetaDirectCaller object`
43714345 
43724346 Tool invocation directly from the model.
from line 4445
44714445 
44724446 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
44734447 
4474 Tool invocation directly from the model.
4475 
44764448 - `BetaDirectCaller object`
44774449 
44784450 Tool invocation directly from the model.
from line 4523
45514523 
45524524 - `content: BetaCodeExecutionToolResultBlockContent`
45534525 
4554 Code execution result with encrypted stdout for PFC + web_search results.
4555 
45564526 - `BetaCodeExecutionToolResultError object`
45574527 
45584528 - `type: "code_execution_tool_result_error"`
from line 5815
58455815 
58465816 - `content_block: BetaTextBlock or BetaThinkingBlock or BetaRedactedThinkingBlock or 14 more`
58475817 
5848 Response model for a file uploaded to the container.
5849 
58505818 - `BetaTextBlock object`
58515819 
58525820 - `BetaThinkingBlock object`
from line 6631
66636631 
66646632 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
66656633 
6666 Tool invocation directly from the model.
6667 
66686634 - `BetaDirectCaller object`
66696635 
66706636 Tool invocation directly from the model.
from line 6886
69206886 
69216887 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
69226888 
6923 Tool invocation directly from the model.
6924 
69256889 - `BetaDirectCaller object`
69266890 
69276891 Tool invocation directly from the model.
from line 6942
69786942 
69796943 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
69806944 
6981 Tool invocation directly from the model.
6982 
69836945 - `BetaDirectCaller object`
69846946 
69856947 Tool invocation directly from the model.
from line 7008
70467008 
70477009 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
70487010 
7049 Tool invocation directly from the model.
7050 
70517011 - `BetaDirectCaller object`
70527012 
70537013 Tool invocation directly from the model.
from line 7076
71167076 
71177077 - `content: BetaCodeExecutionToolResultBlockParamContent`
71187078 
7119 Code execution result with encrypted stdout for PFC + web_search results.
7120 
71217079 - `BetaCodeExecutionToolResultErrorParam object`
71227080 
71237081 - `type: "code_execution_tool_result_error"`
from line 7397
74397397 
74407398 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
74417399 
7442 Reference to a single tool the caller declared directly in
7443 `tools[]`. Does not accept the composed `{server}_{name}` form the
7444 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
7445 `mcp_toolset_reference` for those.
7446 
74477400 - `BetaToolChangeToolReference object`
74487401 
74497402 Reference to a single tool the caller declared directly in
from line 7445
74927445 
74937446 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
74947447 
7495 Reference to a single tool the caller declared directly in
7496 `tools[]`. Does not accept the composed `{server}_{name}` form the
7497 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
7498 `mcp_toolset_reference` for those.
7499 
75007448 - `BetaToolChangeToolReference object`
75017449 
75027450 Reference to a single tool the caller declared directly in
from line 8321
83738321 
83748322 - `enabled: optional boolean or null`
83758323 
8376 Whether this member is offered to the model. Default is per member, per the toolset's documentation. A member
8324 Whether this member is offered to the model. Default is per member, per the toolset's documentation. A member whose enabled resolves false is withheld from the served schema.
8325 
8326 - `double_click: optional BetaBrowserDoubleClickConfig or null`
8327 
8328 `double_click`'s config overrides.
8329 
8330 - `defer_loading: optional boolean or null`
8331 
8332 Defer loading for this member. Must resolve to the same value on every enabled member of the toolset.
8333 
8334 - `enabled: optional boolean or null`
8335 
8336 Whether this member is offered to the model. Default is per member, per the toolset's documentation. A member whose enabled resolves false is withheld from the served schema.
8337 
8338 - `file_upload: optional BetaBrowserFileUploadConfig or null`
8339 
8340 `file_upload`'s config overrides.
8341 
8342 - `defer_loading: optional boolean or null`
8343 
8344 Defer loading for this member. Must resolve to the same value on every enabled member of the toolset.
8345 
8346 - `enabled: optional boolean or null`
8347 
8348 Whether this member is offered to the model. Default is per member, per the toolset's documentation. A member whose enabled resolves false is withheld from the served schema.
8349 
8350 - `find: optional BetaBrowserFindConfig or null`
8351 
8352 `find`'s config overrides.
8353 
8354 - `defer_loading: optional boolean or null`
8355 
8356 Defer loading for this member. Must resolve to the same value on every enabled member of the toolset.
8357 
8358 - `enabled: optional boolean or null`
8359 
8360 Whether this member is offered to the model. Default is per member, per the toolset's documentation. A member whose enabled resolves false is withheld from the served schema.
8361 
8362 - `form_input: optional BetaBrowserFormInputConfig or null`
8363 
8364 `form_input`'s config overrides.
8365 
8366 - `defer_loading: optional boolean or null`
8367 
8368 Defer loading for this member. Must resolve to the same value on every enabled member of the toolset.
8369 
8370 - `enabled: optional boolean or null`
8371 
8372 Whether this member is offered to the model. Default is per member, per the toolset's documentation