List Agent Versions changedapi/beta/agents/versions/list
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.
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Lines−1removed
From line
185
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14 Aug 2026
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Recorded edits18to this page, all time
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185185
186186 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
187187
188 - `"claude-haiku-5-5"`
189
190 Fastest model for high-volume, real-time tasks
191
188192 - `"claude-sonnet-5-5"`
189193
190194 Efficient model for coding and agents
from line 559
555559
556560 The server decides each tool call individually: it judges, from the tool, its input, and the session content so far, whether the call is safe to execute or high-risk, and evaluates it to allow when judged safe and to deny when judged high-risk. A call the server cannot reach a judgement on evaluates to ask.
557561
562 - `url_sources: BetaManagedAgentsWebFetchURLSources or null`
563
564 Which sources contribute URLs the tool may fetch, always in the object form. Null when not set, which allows every source.
565
566 - `client_tool_results: BetaManagedAgentsWebFetchURLSourceToolFilter or null`
567
568 Which custom tools' results contribute URLs that may be fetched. Null when not set, which allows every custom tool's results.
569
570 - `BetaManagedAgentsWebFetchURLSourceAll object`
571
572 Every URL from this source may be fetched. This is the default.
573
574 - `type: "all"`
575
576 - `BetaManagedAgentsWebFetchURLSourceNone object`
577
578 This source contributes no URLs that may be fetched.
579
580 - `type: "none"`
581
582 - `BetaManagedAgentsWebFetchURLSourceOnly object`
583
584 Only the named tools' results contribute URLs that may be fetched.
585
586 - `type: "only"`
587
588 - `tools: array of BetaManagedAgentsWebFetchURLSourceToolReference`
589
590 The tools whose results contribute. Between 1 and 128 entries, each with a different name. An empty list is rejected; use "none" to allow no tool's results.
591
592 - `type: "tool_reference"`
593
594 Must be "tool_reference".
595
596 - `name: string`
597
598 Name of the tool. Compared exactly, so upper and lower case letters are different.
599
600 minLength: 1, maxLength: 128
601
602 - `BetaManagedAgentsWebFetchURLSourceExcept object`
603
604 Every tool's results contribute URLs that may be fetched, except the named tools' results.
605
606 - `type: "except"`
607
608 - `tools: array of BetaManagedAgentsWebFetchURLSourceToolReference`
609
610 The tools whose results do not contribute. Between 1 and 128 entries, each with a different name. An empty list is rejected; use "all" to leave out no tool's results.
611
612 - `type: "tool_reference"`
613
614 Must be "tool_reference".
615
616 - `name: string`
617
618 Name of the tool. Compared exactly, so upper and lower case letters are different.
619
620 minLength: 1, maxLength: 128
621
622 - `server_tool_results: BetaManagedAgentsWebFetchURLSourceToolFilter or null`
623
624 Which of the web_search and web_fetch tools' results contribute URLs that may be fetched. Null when not set, which allows both.
625
626 - `user_input: BetaManagedAgentsWebFetchURLSourceUserInput or null`
627
628 Whether URLs in the text of user messages may be fetched. Null when not set, which allows them.
629
630 - `BetaManagedAgentsWebFetchURLSourceAll object`
631
632 Every URL from this source may be fetched. This is the default.
633
634 - `BetaManagedAgentsWebFetchURLSourceNone object`
635
636 This source contributes no URLs that may be fetched.
637
558638 - `allowed_domains: optional array of string`
559639
560640 - `blocked_domains: optional array of string`
from line 866
786866 "version": "1"
787867 },
788868 {
789 "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx",
869 "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTmx",
790870 "type": "custom",
791871 "version": "2"
792872 }
No line in this hunk matches that.