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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

Messages changedapi/beta/messages

Nearest release: v2.1.294, published 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+7,637added
Lines−1removed
From line 3,106 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits23to this page, all time

### Beta Browser Click Target ### Beta Browser Close Tab Input ### Beta Browser Close Tab Tool Use Block ### Beta Browser Coordinate Target ### Beta Browser Double Click Input ### Beta Browser Double Click Tool Use Block ### Beta Browser File Upload Input ### Beta Browser File Upload Tool Use Block ### Beta Browser Find Input ### Beta Browser Find Tool Use Block ### Beta Browser Form Input Input ### Beta Browser Form Input Tool Use Block ### Beta Browser Form Input Value ### Beta Browser Get Page Text Input ### Beta Browser Get Page Text Tool Use Block ### Beta Browser Hold Key Input ### Beta Browser Hold Key Tool Use Block ### Beta Browser Hover Input ### Beta Browser Hover Tool Use Block ### Beta Browser Javascript Exec Input ### Beta Browser Javascript Exec Tool Use Block ### Beta Browser Key Input ### Beta Browser Key Tool Use Block ### Beta Browser Left Click Drag Input ### Beta Browser Left Click Drag Tool Use Block ### Beta Browser Left Click Input ### Beta Browser Left Click Tool Use Block ### Beta Browser Left Mouse Down Input ### Beta Browser Left Mouse Down Tool Use Block ### Beta Browser Left Mouse Up Input ### Beta Browser Left Mouse Up Tool Use Block ### Beta Browser List Tabs Input ### Beta Browser List Tabs Tool Use Block ### Beta Browser Middle Click Input ### Beta Browser Middle Click Tool Use Block ### Beta Browser Mouse Move Input ### Beta Browser Mouse Move Tool Use Block ### Beta Browser Navigate Input ### Beta Browser Navigate Tool Use Block ### Beta Browser New Tab Input ### Beta Browser New Tab Tool Use Block ### Beta Browser Read Console Input ### Beta Browser Read Console Tool Use Block ### Beta Browser Read Network Input ### Beta Browser Read Network Tool Use Block ### Beta Browser Read Page Filter ### Beta Browser Read Page Input ### Beta Browser Read Page Tool Use Block ### Beta Browser Ref Target ### Beta Browser Right Click Input ### Beta Browser Right Click Tool Use Block ### Beta Browser Screenshot Input ### Beta Browser Screenshot Tool Use Block ### Beta Browser Scroll Direction ### Beta Browser Scroll Input ### Beta Browser Scroll To Input ### Beta Browser Scroll To Tool Use Block ### Beta Browser Scroll Tool Use Block ### Beta Browser Switch Tab Input ### Beta Browser Switch Tab Tool Use Block ### Beta Browser Tool Use Block ### Beta Browser Triple Click Input ### Beta Browser Triple Click Tool Use Block ### Beta Browser Type Input ### Beta Browser Type Tool Use Block ### Beta Browser Wait Input ### Beta Browser Wait Tool Use Block ### Beta Browser Zoom Input ### Beta Browser Zoom Tool Use Block ### Beta Computer Cursor Position Input ### Beta Computer Cursor Position Tool Use Block ### Beta Computer Double Click Input ### Beta Computer Double Click Tool Use Block ### Beta Computer Hold Key Input ### Beta Computer Hold Key Tool Use Block ### Beta Computer Key Input ### Beta Computer Key Tool Use Block ### Beta Computer Left Click Drag Input ### Beta Computer Left Click Drag Tool Use Block ### Beta Computer Left Click Input ### Beta Computer Left Click Tool Use Block ### Beta Computer Left Mouse Down Input ### Beta Computer Left Mouse Down Tool Use Block ### Beta Computer Left Mouse Up Input ### Beta Computer Left Mouse Up Tool Use Block ### Beta Computer Middle Click Input ### Beta Computer Middle Click Tool Use Block ### Beta Computer Mouse Move Input ### Beta Computer Mouse Move Tool Use Block ### Beta Computer Right Click Input ### Beta Computer Right Click Tool Use Block ### Beta Computer Screenshot Input ### Beta Computer Screenshot Tool Use Block ### Beta Computer Scroll Direction ### Beta Computer Scroll Input ### Beta Computer Scroll Tool Use Block ### Beta Computer Tool Use Block ### Beta Computer Triple Click Input ### Beta Computer Triple Click Tool Use Block ### Beta Computer Type Input ### Beta Computer Type Tool Use Block ### Beta Computer Wait Input ### Beta Computer Wait Tool Use Block ### Beta Computer Zoom Input ### Beta Computer Zoom Tool Use Block ### Beta Tool Use Caller ### Beta Toolset Tool Use Block

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31073107 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
31083108 
3109 - `"claude-haiku-5-5"`
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3111 Fastest model for high-volume, real-time tasks
3112 
31093113 - `"claude-sonnet-5-5"`
31103114 
31113115 Efficient model for coding and agents
from line 6976
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69736977 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
69746978 
6979 - `"claude-haiku-5-5"`
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6981 Fastest model for high-volume, real-time tasks
6982 
69756983 - `"claude-sonnet-5-5"`
69766984 
69776985 Efficient model for coding and agents
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71957203 
71967204 Configuration overrides for specific tools, keyed by tool name
71977205 
7198 - `defer_loading: optional boolean`
7199 
7200 - `enabled: optional boolean`
7201 
7202 - `default_config: optional BetaMCPToolDefaultConfig`
7203 
7204 Default configuration applied to all tools from this server
7205 
7206 -
7206 - `defer_loading: optional boole
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