Source Intelligence
Sweep 28 Aug 2026 ยท 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

One change

Update Session Resource

api/beta/sessions/resources/update

first seen The page's own history The capture it came from

Nearest release: v2.1.245, 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.

api/beta/sessions/resources/update Changed · +33 / -32 lines

# Update Session Resource ## Path parameters ## Headers ## Body parameters ## Returns ## Example ### Response (200) ## Update Session Resource ### Path Parameters ### Header Parameters ### Body Parameters ### Returns ### Example #### Response

from line 1
----
-title: Update Session Resource
-url: https://platform.claude.com/docs/en/api/beta/sessions/resources/update
----
+# Update Session Resource
 
-## Update Session Resource
+**POST** `/v1/sessions/{session_id}/resources/{resource_id}`
 
-**post** `/v1/sessions/{session_id}/resources/{resource_id}`
-
 Update Session Resource
 
-### Path Parameters
+## Path parameters
 
 - `session_id: string`
 
 - `resource_id: string`
 
-### Header Parameters
+## Headers
 
 - `"anthropic-beta": optional array of AnthropicBeta`
 
from line 88
 
     - `"mid-conversation-tool-changes-2026-07-01"`
 
-### Body Parameters
+## Body parameters
 
 - `authorization_token: string`
 
   New authorization token for the resource. Currently only `github_repository` resources support token rotation.
 
-### Returns
+  minLength: 1, maxLength: 4096
 
-- `BetaManagedAgentsGitHubRepositoryResource object { id, created_at, mount_path, 4 more }`
+## Returns
 
+- `BetaManagedAgentsGitHubRepositoryResource object`
+
   - `id: string`
 
   - `created_at: string`
from line 106
 
     A timestamp in RFC 3339 format
 
+    format: date-time
+
   - `mount_path: string`
 
   - `type: "github_repository"`
 
-    - `"github_repository"`
-
   - `updated_at: string`
 
     A timestamp in RFC 3339 format
 
+    format: date-time
+
   - `url: string`
 
   - `checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null`
 
-    - `BetaManagedAgentsBranchCheckout object { name, type }`
+    - `BetaManagedAgentsBranchCheckout object`
 
       - `name: string`
 
         Branch name to check out.
 
+        minLength: 1, maxLength: 255
+
       - `type: "branch"`
 
-        - `"branch"`
+    - `BetaManagedAgentsCommitCheckout object`
 
-    - `BetaManagedAgentsCommitCheckout object { sha, type }`
-
       - `sha: string`
 
         Full commit SHA to check out.
 
+        minLength: 7, maxLength: 64
+
       - `type: "commit"`
 
-        - `"commit"`
+- `BetaManagedAgentsFileResource object`
 
-- `BetaManagedAgentsFileResource object { id, created_at, file_id, 3 more }`
-
   - `id: string`
 
   - `created_at: string`
from line 150
 
     A timestamp in RFC 3339 format
 
+    format: date-time
+
   - `file_id: string`
 
   - `mount_path: string`
from line 158
 
   - `type: "file"`
 
-    - `"file"`
-
   - `updated_at: string`
 
     A timestamp in RFC 3339 format
 
-- `BetaManagedAgentsMemoryStoreResource object { memory_store_id, type, access, 4 more }`
+    format: date-time
 
+- `BetaManagedAgentsMemoryStoreResource object`
+
   A memory store attached to an agent session.
 
   - `memory_store_id: string`
from line 174
 
   - `type: "memory_store"`
 
-    - `"memory_store"`
-
   - `access: optional "read_write" or "read_only" or null`
 
     Access mode for an attached memory store.
from line 190
 
     Per-attachment guidance for the agent on how to use this store. Rendered into the memory section of the system prompt. Max 4096 chars.
 
+    maxLength: 4096
+
   - `mount_path: optional string or null`
 
     Filesystem path where the store is mounted in the session container, e.g. /mnt/memory/user-preferences. Derived from the store's name. Output-only.
from line 200
 
     Display name of the memory store, snapshotted at attach time. Later edits to the store's name do not propagate to this resource.
 
-### Example
+## Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/sessions/$SESSION_ID/resources/$RESOURCE_ID \
     -H 'Content-Type: application/json' \
     -H 'anthropic-version: 2023-06-01' \
from line 213
         }'
 ```
 
-#### Response
+### Response (200)
 
 ```json
 {