Get Session Thread changedapi/beta/sessions/threads/retrieve
Nearest release: v2.1.300, published 6 hours 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+29added
Lines−0removed
From line
125
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits22to this page, all time
The whole hunk
from line 125, old and new numbered
/
from line 125
125125
126126 - `"spend-limit-reads-2026-09-26"`
127127
128 - `"telemetry-destinations-2026-08-11"`
129
128130- `"anthropic-workspace-id": optional string`
129131
130132 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 159
157159
158160 - `description: string or null`
159161
162 - `execution_identity: BetaManagedAgentsExecutionIdentity`
163
164 Execution principal snapshotted from the agent at session creation. Always present; `{"type": "service_account"}` when runs carry no customer-named principal.
165
166 - `BetaManagedAgentsAWSRoleExecutionIdentity object`
167
168 An AWS IAM role principal as returned in API responses.
169
170 - `type: "aws_role"`
171
172 - `role_arn: string`
173
174 The IAM role's ARN.
175
176 - `BetaManagedAgentsServiceAccountExecutionIdentity object`
177
178 The Anthropic-managed service account as returned in API responses.
179
180 - `type: "service_account"`
181
160182 - `mcp_servers: array of BetaManagedAgentsMCPServerURLDefinition`
161183
162184 - `type: "url"`
from line 793
771793
772794 - `description: string or null`
773795
796 - `execution_identity: BetaManagedAgentsExecutionIdentity`
797
798 The session's execution principal.
799
774800 - `mcp_servers: array of BetaManagedAgentsMCPServerURLDefinition`
775801
776802 - `type: "url"`
from line 988
962988 "agent": {
963989 "id": "agent_011CZkYqphY8vELVzwCUpqiQ",
964990 "description": "A focused research subagent.",
991 "execution_identity": {
992 "type": "service_account"
993 },
965994 "mcp_servers": [
966995 {
967996 "name": "example-mcp",
No line in this hunk matches that.