Get Session changedapi/beta/sessions/retrieve
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+83added
Lines−3removed
From line
165
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits18to this page, all time
The whole hunk
from line 165, old and new numbered
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from line 165
165165
166166 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
167167
168 - `"claude-haiku-5-5"`
169
170 Fastest model for high-volume, real-time tasks
171
168172 - `"claude-sonnet-5-5"`
169173
170174 Efficient model for coding and agents
from line 539
535539
536540 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.
537541
542 - `url_sources: BetaManagedAgentsWebFetchURLSources or null`
543
544 Which sources contribute URLs the tool may fetch, always in the object form. Null when not set, which allows every source.
545
546 - `client_tool_results: BetaManagedAgentsWebFetchURLSourceToolFilter or null`
547
548 Which custom tools' results contribute URLs that may be fetched. Null when not set, which allows every custom tool's results.
549
550 - `BetaManagedAgentsWebFetchURLSourceAll object`
551
552 Every URL from this source may be fetched. This is the default.
553
554 - `type: "all"`
555
556 - `BetaManagedAgentsWebFetchURLSourceNone object`
557
558 This source contributes no URLs that may be fetched.
559
560 - `type: "none"`
561
562 - `BetaManagedAgentsWebFetchURLSourceOnly object`
563
564 Only the named tools' results contribute URLs that may be fetched.
565
566 - `type: "only"`
567
568 - `tools: array of BetaManagedAgentsWebFetchURLSourceToolReference`
569
570 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.
571
572 - `type: "tool_reference"`
573
574 Must be "tool_reference".
575
576 - `name: string`
577
578 Name of the tool. Compared exactly, so upper and lower case letters are different.
579
580 minLength: 1, maxLength: 128
581
582 - `BetaManagedAgentsWebFetchURLSourceExcept object`
583
584 Every tool's results contribute URLs that may be fetched, except the named tools' results.
585
586 - `type: "except"`
587
588 - `tools: array of BetaManagedAgentsWebFetchURLSourceToolReference`
589
590 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.
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 - `server_tool_results: BetaManagedAgentsWebFetchURLSourceToolFilter or null`
603
604 Which of the web_search and web_fetch tools' results contribute URLs that may be fetched. Null when not set, which allows both.
605
606 - `user_input: BetaManagedAgentsWebFetchURLSourceUserInput or null`
607
608 Whether URLs in the text of user messages may be fetched. Null when not set, which allows them.
609
610 - `BetaManagedAgentsWebFetchURLSourceAll object`
611
612 Every URL from this source may be fetched. This is the default.
613
614 - `BetaManagedAgentsWebFetchURLSourceNone object`
615
616 This source contributes no URLs that may be fetched.
617
538618 - `allowed_domains: optional array of string`
539619
540620 - `blocked_domains: optional array of string`
from line 1199
11191199 "version": "1"
11201200 },
11211201 {
1122 "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx",
1202 "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTmx",
11231203 "type": "custom",
11241204 "version": "2"
11251205 }
from line 1246
11661246 "description": "Produce a 2-page summary as summary.md",
11671247 "explanation": "All five sections present with inline citations.",
11681248 "iteration": 0,
1169 "outcome_id": "outc_011CZkZRSw2kEfs6ncTVljxP",
1249 "outcome_id": "outc_011CZkZRSw2kEfs6ncTVmjxP",
11701250 "result": "satisfied",
11711251 "type": "outcome_evaluation"
11721252 }
from line 1261
11811261 "updated_at": "2026-03-15T10:00:00Z"
11821262 },
11831263 {
1184 "id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
1264 "id": "sesrsc_011CZkZCKr6eXym1gWMPdQiu",
11851265 "created_at": "2026-03-15T10:00:00Z",
11861266 "mount_path": "/workspace/example-repo",
11871267 "type": "github_repository",
No line in this hunk matches that.