Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
One change · api

Sessions changed

api/beta/sessions

Nearest release: v2.1.280, published 20 hours 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+155added
Lines−9removed
From line 115 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits12to this page, all time

The whole hunk

from line 115, old and new numbered
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from line 115
115115 
116116- `"anthropic-workspace-id": optional string`
117117 
118 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
119 
120 Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.
121 
118122### Body parameters
119123 
120124- `agent: string or BetaManagedAgentsAgentParams or BetaManagedAgentsAgentWithOverridesParams`
from line 269
265269 
266270 - `"low"`
267271 
272 Low effort. Favors latency over reasoning depth.
273 
268274 - `"medium"`
269275 
276 Medium effort. Balances latency and reasoning depth.
277 
270278 - `"high"`
271279 
280 High effort. Favors reasoning depth.
281 
272282 - `"xhigh"`
273283 
284 Extra-high effort. Not all models accept this level.
285 
274286 - `"max"`
275287 
288 Maximum effort. Favors reasoning depth over latency.
289 
276290 - `BetaManagedAgentsEffortLow object`
277291 
278292 Low effort. Favors latency over reasoning depth.
from line 1943
19291943 
19301944 - `"rescheduling"`
19311945 
1946 Transient error occurred, retrying automatically.
1947 
19321948 - `"running"`
19331949 
1950 Agent is actively executing.
1951 
19341952 - `"idle"`
19351953 
1954 Agent is waiting for input, including user messages or tool confirmations. Sessions start in idle.
1955 
19361956 - `"terminated"`
19371957 
1958 Session has ended, either due to an error or completion.
1959 
19381960 - `title: string or null`
19391961 
19401962 - `updated_at: string`
from line 2324
23022324 
23032325 - `"rescheduling"`
23042326 
2327 Transient error occurred, retrying automatically.
2328 
23052329 - `"running"`
23062330 
2331 Agent is actively executing.
2332 
23072333 - `"idle"`
23082334 
2335 Agent is waiting for input, including user messages or tool confirmations. Sessions start in idle.
2336 
23092337 - `"terminated"`
23102338 
2339 Session has ended, either due to an error or completion.
2340 
23112341### Headers
23122342 
23132343- `"anthropic-beta": optional array of AnthropicBeta`
from line 2442
24122442 
24132443- `"anthropic-workspace-id": optional string`
24142444 
2445 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
2446 
2447 Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.
2448 
24152449### Returns
24162450 
24172451- `data: optional array of BetaManagedAgentsSession`
from line 3244
32103244 
32113245 - `"rescheduling"`
32123246 
3247 Transient error occurred, retrying automatically.
3248 
32133249 - `"running"`
32143250 
3251 Agent is actively executing.
3252 
32153253 - `"idle"`
32163254 
3255 Agent is waiting for input, including user messages or tool confirmations. Sessions start in idle.
3256 
32173257 - `"terminated"`
32183258 
3259 Session has ended, either due to an error or completion.
3260 
32193261 - `title: string or null`
32203262 
32213263 - `updated_at: string`
from line 3669
36273669 
36283670- `"anthropic-workspace-id": optional string`
36293671 
3672 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
3673 
3674 Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.
3675 
36303676### Returns
36313677 
36323678- `BetaManagedAgentsSession object`
from line 4471
44254471 
44264472 - `"rescheduling"`
44274473 
4474 Transient error occurred, retrying automatically.
4475 
44284476 - `"running"`
44294477 
4478 Agent is actively executing.
4479 
44304480 - `"idle"`
44314481 
4482 Agent is waiting for input, including user messages or tool confirmations. Sessions start in idle.
4483 
44324484 - `"terminated"`
44334485 
4486 Session has ended, either due to an error or completion.
4487 
44344488 - `title: string or null`
44354489 
44364490 - `updated_at: string`
from line 4882
48284882 
48294883- `"anthropic-workspace-id": optional string`
48304884 
4885 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
4886 
4887 Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.
4888 
48314889### Body parameters
48324890 
48334891- `agent: optional BetaManagedAgentsSessionAgentUpdate`
from line 6170
61126170 
61136171 - `"rescheduling"`
61146172 
6173 Transient error occurred, retrying automatically.
6174 
61156175 - `"running"`
61166176 
6177 Agent is actively executing.
6178 
61176179 - `"idle"`
61186180 
6181 Agent is waiting for input, including user messages or tool confirmations. Sessions start in idle.
6182 
61196183 - `"terminated"`
61206184 
6185 Session has ended, either due to an error or completion.
6186 
61216187 - `title: string or null`
61226188 
61236189 - `updated_at: string`
from line 6585
65196585 
65206586- `"anthropic-workspace-id": optional string`
65216587 
6588 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
6589 
6590 Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.
6591 
65226592### Returns
65236593 
65246594- `BetaManagedAgentsDeletedSession object`
from line 6732
66626732 
66636733- `"anthropic-workspace-id": optional string`
66646734 
6735 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
6736 
6737 Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.
6738 
66656739### Returns
66666740 
66676741- `BetaManagedAgentsSession object`
from line 7534
74607534 
74617535 - `"rescheduling"`
74627536 
7537 Transient error occurred, retrying automatically.
7538 
74637539 - `"running"`
74647540 
7541 Agent is actively executing.
7542 
74657543 - `"idle"`
74667544 
7545 Agent is waiting for input, including user messages or tool confirmations. Sessions start in idle.
7546 
74677547 - `"terminated"`
74687548 
7549 Session has ended, either due to an error or completion.
7550 
74697551 - `title: string or null`
74707552 
74717553 - `updated_at: string`
from line 8014
79328014 
79338015 - `"low"`
79348016 
8017 Low effort. Favors latency over reasoning depth.
8018 
79358019 - `"medium"`
79368020 
8021 Medium effort. Balances latency and reasoning depth.
8022 
79378023 - `"high"`
79388024 
8025 High effort. Favors reasoning depth.
8026 
79398027 - `"xhigh"`
79408028 
8029 Extra-high effort. Not all models accept this level.
8030 
79418031 - `"max"`
79428032 
8033 Maximum effort. Favors reasoning depth over latency.
8034 
79438035 - `BetaManagedAgentsEffortLow object`
79448036 
79458037 Low effort. Favors latency over reasoning depth.
from line 8436
83448436 
83458437 Default configuration for all tools in a toolset.
83468438 
8347 - `enabled: optional boolean or null`
8348 
8349 Whether tools are enabled and available to Claude by default. Defaults to true if not specified.
8350 
8351 - `permission_policy: optional BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy or null`
8352 
8353 Permission policy for tool execution.
8354 
8355 - `BetaManagedAgentsAlwaysAllowPolicy object`
8356 
8357 Tool calls are automatically approved without user confirmation.
8358 
8359 - `BetaManagedAgentsAlwaysAskPolicy object`
8360 
8361 Tool calls require user confirmation before execution.
8362 
8363 - `BetaManagedAgentsAutoPolicy object`
8364 
8365 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.
8366 
8367 - `BetaManagedAgentsMCPToolsetParams object`
8368 
8369 Configuration for tools from an MCP server defined in `mcp_servers`.
8370 
8371 - `type: "mcp_toolset"`
8372 
8373 - `mcp_server_name: string`
8374 
8375 Name of the MCP server. Must match a server name from the mcp_servers array. 1-255 characters.
8376 
8377 minLength: 1, maxLength: 255
8378 
8379 - `configs: optional array of BetaManagedAgentsMCPToolConfigParams`
8380 
8381 Per-tool configuration overrides.
8382 
8383 - `name: string`
8384 
8385 Name of the MCP tool to configure. 1-128 characters.
8386 
8387 minLength: 1, maxLength: 128
8388 
8389 - `enabled: optional boolean or null`
8390 
8391 Whether this tool is enabled. Overrides the `default_config` setting.
8392 
8393 - `permission_policy: optional BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy or null`
8394 
8395 Permission policy for tool execution.
8396 
8397 - `BetaManagedAgentsAlwaysAllowPolicy object`
8398 
8399 Tool calls are automatically approved without user confirmation.
8400 
8401 - `BetaManagedAgentsAlwaysAskPolicy object`
8402 
8403 Tool calls require user confirmation before execution.
8404 
8405 - `BetaManagedAgentsAutoPolicy object`
8406 
8407 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.
8408 
8409 - `default_config: optional BetaManagedAgentsMCPToolsetDefaultConfigParams or null`
8410 
8411 Default configuration for all tools from an MCP server.
8412 
8413 - `enabled: optional boolean or null`
8414 
8415 Whether tools are enabled by default. Defaults to true if not specified.
8416 
8417 - `permission_policy: optional BetaManagedAgentsAlwaysAllowPolicy or BetaManagedAgentsAlwaysAskPolicy or BetaManagedAgentsAutoPolicy or null`
8418 
8419 Permission policy for tool execution.
8420 
8421 - `BetaManagedAgentsAlwaysAllowPolicy object`
8422 
8423 Tool calls are automatically approved without user confirmation.
8424 
8425 - `BetaManagedAgentsAlwaysAskPolicy object`
8426 
8427 Tool calls require user confirmation before execution.
8428 
8429 - `BetaManagedAgentsAutoPolicy object`
8430 
8431 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.
8432 
8433 - `BetaManagedAgentsCustomToolParams object`
8434 
8435 A custom tool that is executed by the API client rather than the agent. When the agent calls this tool, an `agent.custom_tool_use` event is emitted and the session goes idle, waiting for the client to provide the result via a `user.custom_tool_result` event.
8436 
8437 - `type: "custom"`
8438 
8439 - `description: string`
8440 
8441 Description of what the tool does, shown to the agent to hel
8439