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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 23 Sep 2026
One change · api

Stream Events changedapi/beta/sessions/events/stream

Nearest release: v2.1.281, published an hour 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+12added
Lines−10removed
From line 31 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits14to this page, all time

The whole hunk

from line 31, old and new numbered
/
lines
from line 31
3131 
3232 - `string`
3333 
34 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
34 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
3535 
3636 - `"message-batches-2024-09-24"`
3737 
from line 125
125125 
126126 - `"compact-2026-09-04"`
127127 
128 - `"inline-tools-2026-09-15"`
129 
130 - `"mcp-client-2026-09-15"`
131 
128132- `"anthropic-workspace-id": optional string`
129133 
130134 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 547
543547 
544548 format: date-time
545549 
546 - `evaluated_permission: optional "allow" or "ask" or "deny"`
550 - `evaluated_permission: optional BetaManagedAgentsAgentEvaluatedPermission`
547551 
548552 AgentEvaluatedPermission enum
549553 
from line 685
681685 
682686 format: date-time
683687 
684 - `evaluated_permission: optional "allow" or "ask" or "deny"`
688 - `evaluated_permission: optional BetaManagedAgentsAgentEvaluatedPermission`
685689 
686690 AgentEvaluatedPermission enum
687691 
688 - `"allow"`
689 
690 - `"ask"`
691 
692 - `"deny"`
693 
694692 - `evaluation: optional BetaManagedAgentsAgentToolEvaluation`
695693 
696694 Names the resolved permission_policy that produced evaluated_permission, and under auto carries the judgement. Open union: clients must tolerate unknown variants.
from line 1657
16591657 
16601658 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
16611659 
1662 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
1660 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
16631661 
16641662 The model that will power your agent.
16651663 
16661664 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
1665 
1666 - `"claude-opus-5-5"`
1667 
1668 Powerful intelligence for coding, knowledge work, and long-running agents
16671669 
16681670 - `"claude-fable-5-1"`
16691671 
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