AnthropicClaude Managed Agents
Get Session Resource
Read the details of one resource attached to a session.
GET
/anthropic/v1/sessions/{session_id}/resources/{resource_id}◐ PartialRequest parameters
session_idstring必填path: Session ID (path or query parameter).
resource_idstring必填path: Path parameter: the session resource ID.
session_idstring必填query: Session ID (path or query parameter).
Returns
501
Supports persistence, retrieval and removal of file resource references, up to 500 per session. Files must be live and owned by the current tenant. Paths default to /mnt/session/uploads/<file_id>; custom paths are rooted there and parent traversal is rejected. File content is immutable through this API. Sandbox synchronization is not implemented in this batch.
Errors follow the Claude Managed Agents format — see error codes
Response
HTTP 200
Successful response
application/json
| Name | Type | Description |
|---|---|---|
| id | string | |
| created_at | string | A timestamp in RFC 3339 format |
| mount_path | string | null | string | 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. |
| type | string | |
| updated_at | string | A timestamp in RFC 3339 format |
| url | string | |
| checkout | null | object | |
| checkout.name | string | Branch name to check out. |
| checkout.type | string | |
| checkout.sha | string | Full commit SHA to check out. |
| file_id | string | |
| memory_store_id | string | The memory store ID (memstore_...). Must belong to the caller's organization and workspace. |
| access | null | string | Access mode for an attached memory store. |
| description | string | Description of the memory store, snapshotted at attach time. Rendered into the agent's system prompt. Empty string when the store has no description. |
| instructions | null | string | Per-attachment guidance for the agent on how to use this store. Rendered into the memory section of the system prompt. Max 4096 chars. |
| name | null | string | Display name of the memory store, snapshotted at attach time. Later edits to the store's name do not propagate to this resource. |