Update Session Resource changedapi/beta/sessions/resources/update

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---
title: Update Session Resource
url: https://platform.claude.com/docs/en/api/beta/sessions/resources/update
---

## Update Session Resource

**post** `/v1/sessions/{session_id}/resources/{resource_id}`

Update Session Resource

### Path Parameters

- `session_id: string`

- `resource_id: string`

### Header Parameters

- `"anthropic-beta": optional array of AnthropicBeta`

  Optional header to specify the beta version(s) you want to use.

  - `string`

  - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 30 more`

    - `"message-batches-2024-09-24"`

    - `"prompt-caching-2024-07-31"`

    - `"computer-use-2024-10-22"`

    - `"computer-use-2025-01-24"`

    - `"pdfs-2024-09-25"`

    - `"token-counting-2024-11-01"`

    - `"token-efficient-tools-2025-02-19"`

    - `"output-128k-2025-02-19"`

    - `"files-api-2025-04-14"`

    - `"mcp-client-2025-04-04"`

    - `"mcp-client-2025-11-20"`

    - `"dev-full-thinking-2025-05-14"`

    - `"interleaved-thinking-2025-05-14"`

    - `"code-execution-2025-05-22"`

    - `"extended-cache-ttl-2025-04-11"`

    - `"context-1m-2025-08-07"`

    - `"context-management-2025-06-27"`

    - `"model-context-window-exceeded-2025-08-26"`

    - `"skills-2025-10-02"`

    - `"fast-mode-2026-02-01"`

    - `"output-300k-2026-03-24"`

    - `"user-profiles-2026-03-24"`

    - `"advisor-tool-2026-03-01"`

    - `"managed-agents-2026-04-01"`

    - `"cache-diagnosis-2026-04-07"`

    - `"dreaming-2026-04-21"`

    - `"thinking-token-count-2026-05-13"`

    - `"server-side-fallback-2026-06-01"`

    - `"server-side-fallback-2026-07-01"`

    - `"fallback-credit-2026-06-01"`

    - `"fallback-credit-2026-07-01"`

    - `"agent-memory-2026-07-22"`

    - `"mid-conversation-tool-changes-2026-07-01"`

### Body Parameters

- `authorization_token: string`

  New authorization token for the resource. Currently only `github_repository` resources support token rotation.

### Returns

- `BetaManagedAgentsGitHubRepositoryResource object { id, created_at, mount_path, 4 more }`

  - `id: string`

  - `created_at: string`

    A timestamp in RFC 3339 format

  - `mount_path: string`

  - `type: "github_repository"`

    - `"github_repository"`

  - `updated_at: string`

    A timestamp in RFC 3339 format

  - `url: string`

  - `checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null`

    - `BetaManagedAgentsBranchCheckout object { name, type }`

      - `name: string`

        Branch name to check out.

      - `type: "branch"`

        - `"branch"`

    - `BetaManagedAgentsCommitCheckout object { sha, type }`

      - `sha: string`

        Full commit SHA to check out.

      - `type: "commit"`

        - `"commit"`

- `BetaManagedAgentsFileResource object { id, created_at, file_id, 3 more }`

  - `id: string`

  - `created_at: string`

    A timestamp in RFC 3339 format

  - `file_id: string`

  - `mount_path: string`

  - `type: "file"`

    - `"file"`

  - `updated_at: string`

    A timestamp in RFC 3339 format

- `BetaManagedAgentsMemoryStoreResource object { memory_store_id, type, access, 4 more }`

  A memory store attached to an agent session.

  - `memory_store_id: string`

    The memory store ID (memstore_...). Must belong to the caller's organization and workspace.

  - `type: "memory_store"`

    - `"memory_store"`

  - `access: optional "read_write" or "read_only" or null`

    Access mode for an attached memory store.

    - `"read_write"`

    - `"read_only"`

  - `description: optional 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: optional string or null`

    Per-attachment guidance for the agent on how to use this store. Rendered into the memory section of the system prompt. Max 4096 chars.

  - `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.

  - `name: optional string or null`

    Display name of the memory store, snapshotted at attach time. Later edits to the store's name do not propagate to this resource.

### Example

```http
curl https://api.anthropic.com/v1/sessions/$SESSION_ID/resources/$RESOURCE_ID \
    -H 'Content-Type: application/json' \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: managed-agents-2026-04-01' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY" \
    -d '{
          "authorization_token": "ghp_exampletoken"
        }'
```

#### Response

```json
{
  "id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
  "created_at": "2026-03-15T10:00:00Z",
  "mount_path": "/workspace/example-repo",
  "type": "github_repository",
  "updated_at": "2026-03-15T10:00:00Z",
  "url": "https://github.com/example-org/example-repo",
  "checkout": {
    "name": "main",
    "type": "branch"
  }
}
```

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