---
title: Resources
url: https://platform.claude.com/docs/en/api/beta/sessions/resources
---

# Resources

## Add Session Resource

**POST** `/v1/sessions/{session_id}/resources`

Add Session Resource

### Path parameters

- `session_id: string`

### Headers

- `"anthropic-version": optional string`

  The version of the Claude API you want to use.

  Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).

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

  This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.

  - `string`

  - `"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"`

  - `"user-profiles-2026-08-18"`

  - `"user-profiles-2026-09-04"`

  - `"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"`

  - `"compact-2026-01-12"`

  - `"computer-use-2025-11-24"`

  - `"mcp-tunnels-2026-06-22"`

  - `"structured-outputs-2025-11-13"`

  - `"task-budgets-2026-03-13"`

  - `"thinking-display-updates-2026-08-18"`

  - `"ce-user-management-2026-07-13"`

  - `"mid-conversation-output-config-2026-07-01"`

  - `"thinking-binding-controls-2026-08-01"`

  - `"mid-conversation-system-clear-at-2026-08-21"`

  - `"compact-2026-09-04"`

  - `"inline-tools-2026-09-15"`

  - `"mcp-client-2026-09-15"`

  - `"ce-plugins-2026-09-01"`

  - `"spend-limit-reads-2026-09-26"`

  - `"telemetry-destinations-2026-08-11"`

- `"anthropic-workspace-id": optional string`

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  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.

### Body parameters

- `file_id: string`

  ID of a previously uploaded file.

  minLength: 1, maxLength: 128

- `type: "file"`

- `mount_path: optional string or null`

  Mount path in the container. Defaults to `/mnt/session/uploads/<file_id>`.

  minLength: 1, maxLength: 4096

### Returns

- `BetaManagedAgentsFileResource object`

  - `type: "file"`

  - `id: string`

  - `created_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `file_id: string`

  - `mount_path: string`

  - `updated_at: string`

    A timestamp in RFC 3339 format

    format: date-time

### Example

```bash
curl https://api.anthropic.com/v1/sessions/$SESSION_ID/resources \
    -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 '{
          "file_id": "file_011CNha8iCJcU1wXNR6q4V8w",
          "type": "file",
          "mount_path": "/uploads/receipt.pdf"
        }'
```

#### Response (200)

```json
{
  "id": "sesrsc_011CZkZBJq5dWxk9fVLNcPht",
  "created_at": "2026-03-15T10:00:00Z",
  "file_id": "file_011CNha8iCJcU1wXNR6q4V8w",
  "mount_path": "/uploads/receipt.pdf",
  "type": "file",
  "updated_at": "2026-03-15T10:00:00Z"
}
```

## List Session Resources

**GET** `/v1/sessions/{session_id}/resources`

List Session Resources

### Path parameters

- `session_id: string`

### Query parameters

- `limit: optional number`

  Maximum number of resources to return per page (max 1000). If omitted, returns all resources.

  format: int32

- `page: optional string`

  Opaque cursor from a previous response's `next_page` field.

### Headers

- `"anthropic-version": optional string`

  The version of the Claude API you want to use.

  Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).

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

  This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.

  - `string`

  - `"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"`

  - `"user-profiles-2026-08-18"`

  - `"user-profiles-2026-09-04"`

  - `"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"`

  - `"compact-2026-01-12"`

  - `"computer-use-2025-11-24"`

  - `"mcp-tunnels-2026-06-22"`

  - `"structured-outputs-2025-11-13"`

  - `"task-budgets-2026-03-13"`

  - `"thinking-display-updates-2026-08-18"`

  - `"ce-user-management-2026-07-13"`

  - `"mid-conversation-output-config-2026-07-01"`

  - `"thinking-binding-controls-2026-08-01"`

  - `"mid-conversation-system-clear-at-2026-08-21"`

  - `"compact-2026-09-04"`

  - `"inline-tools-2026-09-15"`

  - `"mcp-client-2026-09-15"`

  - `"ce-plugins-2026-09-01"`

  - `"spend-limit-reads-2026-09-26"`

  - `"telemetry-destinations-2026-08-11"`

- `"anthropic-workspace-id": optional string`

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  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.

### Returns

- `data: array of BetaManagedAgentsSessionResource`

  Resources for the session, ordered by `created_at`.

  - `BetaManagedAgentsGitHubRepositoryResource object`

    - `type: "github_repository"`

    - `id: string`

    - `created_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `mount_path: string`

    - `updated_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `url: string`

    - `checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null`

      - `BetaManagedAgentsBranchCheckout object`

        - `type: "branch"`

        - `name: string`

          Branch name to check out.

          minLength: 1, maxLength: 255

      - `BetaManagedAgentsCommitCheckout object`

        - `type: "commit"`

        - `sha: string`

          Full commit SHA to check out.

          minLength: 7, maxLength: 64

  - `BetaManagedAgentsFileResource object`

    - `type: "file"`

    - `id: string`

    - `created_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `file_id: string`

    - `mount_path: string`

    - `updated_at: string`

      A timestamp in RFC 3339 format

      format: date-time

  - `BetaManagedAgentsMemoryStoreResource object`

    A memory store attached to an agent session.

    - `type: "memory_store"`

    - `memory_store_id: string`

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

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

      Access mode for the mounted store. Defaults to `read_write`. `read_only` mounts the store as a read-only filesystem.

      - `"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.

      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.

    - `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.

- `next_page: optional string or null`

  Opaque cursor for the next page. Null when no more results.

### Example

```bash
curl https://api.anthropic.com/v1/sessions/$SESSION_ID/resources \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: managed-agents-2026-04-01' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY"
```

#### Response (200)

```json
{
  "data": [
    {
      "id": "sesrsc_011CZkZBJq5dWxk9fVLNcPht",
      "created_at": "2026-03-15T10:00:00Z",
      "file_id": "file_011CNha8iCJcU1wXNR6q4V8w",
      "mount_path": "/uploads/receipt.pdf",
      "type": "file",
      "updated_at": "2026-03-15T10:00:00Z"
    },
    {
      "id": "sesrsc_011CZkZCKr6eXym1gWMPdQiu",
      "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"
      }
    }
  ],
  "next_page": "page_MjAyNS0wNS0xNFQwMDowMDowMFo="
}
```

## Get Session Resource

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

Get Session Resource

### Path parameters

- `session_id: string`

- `resource_id: string`

### Headers

- `"anthropic-version": optional string`

  The version of the Claude API you want to use.

  Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).

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

  This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.

  - `string`

  - `"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"`

  - `"user-profiles-2026-08-18"`

  - `"user-profiles-2026-09-04"`

  - `"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"`

  - `"compact-2026-01-12"`

  - `"computer-use-2025-11-24"`

  - `"mcp-tunnels-2026-06-22"`

  - `"structured-outputs-2025-11-13"`

  - `"task-budgets-2026-03-13"`

  - `"thinking-display-updates-2026-08-18"`

  - `"ce-user-management-2026-07-13"`

  - `"mid-conversation-output-config-2026-07-01"`

  - `"thinking-binding-controls-2026-08-01"`

  - `"mid-conversation-system-clear-at-2026-08-21"`

  - `"compact-2026-09-04"`

  - `"inline-tools-2026-09-15"`

  - `"mcp-client-2026-09-15"`

  - `"ce-plugins-2026-09-01"`

  - `"spend-limit-reads-2026-09-26"`

  - `"telemetry-destinations-2026-08-11"`

- `"anthropic-workspace-id": optional string`

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  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.

### Returns

- `BetaManagedAgentsGitHubRepositoryResource object`

  - `type: "github_repository"`

  - `id: string`

  - `created_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `mount_path: string`

  - `updated_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `url: string`

  - `checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null`

    - `BetaManagedAgentsBranchCheckout object`

      - `type: "branch"`

      - `name: string`

        Branch name to check out.

        minLength: 1, maxLength: 255

    - `BetaManagedAgentsCommitCheckout object`

      - `type: "commit"`

      - `sha: string`

        Full commit SHA to check out.

        minLength: 7, maxLength: 64

- `BetaManagedAgentsFileResource object`

  - `type: "file"`

  - `id: string`

  - `created_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `file_id: string`

  - `mount_path: string`

  - `updated_at: string`

    A timestamp in RFC 3339 format

    format: date-time

- `BetaManagedAgentsMemoryStoreResource object`

  A memory store attached to an agent session.

  - `type: "memory_store"`

  - `memory_store_id: string`

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

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

    Access mode for the mounted store. Defaults to `read_write`. `read_only` mounts the store as a read-only filesystem.

    - `"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.

    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.

  - `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

```bash
curl https://api.anthropic.com/v1/sessions/$SESSION_ID/resources/$RESOURCE_ID \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: managed-agents-2026-04-01' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY"
```

#### Response (200)

```json
{
  "id": "sesrsc_011CZkZCKr6eXym1gWMPdQiu",
  "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"
  }
}
```

## Update Session Resource

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

Update Session Resource

### Path parameters

- `session_id: string`

- `resource_id: string`

### Headers

- `"anthropic-version": optional string`

  The version of the Claude API you want to use.

  Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).

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

  This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.

  - `string`

  - `"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"`

  - `"user-profiles-2026-08-18"`

  - `"user-profiles-2026-09-04"`

  - `"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"`

  - `"compact-2026-01-12"`

  - `"computer-use-2025-11-24"`

  - `"mcp-tunnels-2026-06-22"`

  - `"structured-outputs-2025-11-13"`

  - `"task-budgets-2026-03-13"`

  - `"thinking-display-updates-2026-08-18"`

  - `"ce-user-management-2026-07-13"`

  - `"mid-conversation-output-config-2026-07-01"`

  - `"thinking-binding-controls-2026-08-01"`

  - `"mid-conversation-system-clear-at-2026-08-21"`

  - `"compact-2026-09-04"`

  - `"inline-tools-2026-09-15"`

  - `"mcp-client-2026-09-15"`

  - `"ce-plugins-2026-09-01"`

  - `"spend-limit-reads-2026-09-26"`

  - `"telemetry-destinations-2026-08-11"`

- `"anthropic-workspace-id": optional string`

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  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.

### Body parameters

- `authorization_token: string`

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

  minLength: 1, maxLength: 4096

### Returns

- `BetaManagedAgentsGitHubRepositoryResource object`

  - `type: "github_repository"`

  - `id: string`

  - `created_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `mount_path: string`

  - `updated_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `url: string`

  - `checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null`

    - `BetaManagedAgentsBranchCheckout object`

      - `type: "branch"`

      - `name: string`

        Branch name to check out.

        minLength: 1, maxLength: 255

    - `BetaManagedAgentsCommitCheckout object`

      - `type: "commit"`

      - `sha: string`

        Full commit SHA to check out.

        minLength: 7, maxLength: 64

- `BetaManagedAgentsFileResource object`

  - `type: "file"`

  - `id: string`

  - `created_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `file_id: string`

  - `mount_path: string`

  - `updated_at: string`

    A timestamp in RFC 3339 format

    format: date-time

- `BetaManagedAgentsMemoryStoreResource object`

  A memory store attached to an agent session.

  - `type: "memory_store"`

  - `memory_store_id: string`

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

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

    Access mode for the mounted store. Defaults to `read_write`. `read_only` mounts the store as a read-only filesystem.

    - `"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.

    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.

  - `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

```bash
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 (200)

```json
{
  "id": "sesrsc_011CZkZCKr6eXym1gWMPdQiu",
  "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"
  }
}
```

## Delete Session Resource

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

Delete Session Resource

### Path parameters

- `session_id: string`

- `resource_id: string`

### Headers

- `"anthropic-version": optional string`

  The version of the Claude API you want to use.

  Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).

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

  This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.

  - `string`

  - `"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"`

  - `"user-profiles-2026-08-18"`

  - `"user-profiles-2026-09-04"`

  - `"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"`

  - `"compact-2026-01-12"`

  - `"computer-use-2025-11-24"`

  - `"mcp-tunnels-2026-06-22"`

  - `"structured-outputs-2025-11-13"`

  - `"task-budgets-2026-03-13"`

  - `"thinking-display-updates-2026-08-18"`

  - `"ce-user-management-2026-07-13"`

  - `"mid-conversation-output-config-2026-07-01"`

  - `"thinking-binding-controls-2026-08-01"`

  - `"mid-conversation-system-clear-at-2026-08-21"`

  - `"compact-2026-09-04"`

  - `"inline-tools-2026-09-15"`

  - `"mcp-client-2026-09-15"`

  - `"ce-plugins-2026-09-01"`

  - `"spend-limit-reads-2026-09-26"`

  - `"telemetry-destinations-2026-08-11"`

- `"anthropic-workspace-id": optional string`

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  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.

### Returns

- `BetaManagedAgentsDeleteSessionResource object`

  Confirmation of resource deletion.

  - `type: "session_resource_deleted"`

  - `id: string`

### Example

```bash
curl https://api.anthropic.com/v1/sessions/$SESSION_ID/resources/$RESOURCE_ID \
    -X DELETE \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: managed-agents-2026-04-01' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY"
```

#### Response (200)

```json
{
  "id": "sesrsc_011CZkZBJq5dWxk9fVLNcPht",
  "type": "session_resource_deleted"
}
```

## Domain types

### Beta Managed Agents Delete Session Resource

- `BetaManagedAgentsDeleteSessionResource object`

  Confirmation of resource deletion.

  - `type: "session_resource_deleted"`

  - `id: string`

### Beta Managed Agents File Resource

- `BetaManagedAgentsFileResource object`

  - `type: "file"`

  - `id: string`

  - `created_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `file_id: string`

  - `mount_path: string`

  - `updated_at: string`

    A timestamp in RFC 3339 format

    format: date-time

### Beta Managed Agents GitHub Repository Resource

- `BetaManagedAgentsGitHubRepositoryResource object`

  - `type: "github_repository"`

  - `id: string`

  - `created_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `mount_path: string`

  - `updated_at: string`

    A timestamp in RFC 3339 format

    format: date-time

  - `url: string`

  - `checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null`

    - `BetaManagedAgentsBranchCheckout object`

      - `type: "branch"`

      - `name: string`

        Branch name to check out.

        minLength: 1, maxLength: 255

    - `BetaManagedAgentsCommitCheckout object`

      - `type: "commit"`

      - `sha: string`

        Full commit SHA to check out.

        minLength: 7, maxLength: 64

### Beta Managed Agents Memory Store Resource

- `BetaManagedAgentsMemoryStoreResource object`

  A memory store attached to an agent session.

  - `type: "memory_store"`

  - `memory_store_id: string`

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

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

    Access mode for the mounted store. Defaults to `read_write`. `read_only` mounts the store as a read-only filesystem.

    - `"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.

    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.

  - `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.

### Beta Managed Agents Session Resource

- `BetaManagedAgentsSessionResource = BetaManagedAgentsGitHubRepositoryResource or BetaManagedAgentsFileResource or BetaManagedAgentsMemoryStoreResource`

  - `BetaManagedAgentsGitHubRepositoryResource object`

    - `type: "github_repository"`

    - `id: string`

    - `created_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `mount_path: string`

    - `updated_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `url: string`

    - `checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null`

      - `BetaManagedAgentsBranchCheckout object`

        - `type: "branch"`

        - `name: string`

          Branch name to check out.

          minLength: 1, maxLength: 255

      - `BetaManagedAgentsCommitCheckout object`

        - `type: "commit"`

        - `sha: string`

          Full commit SHA to check out.

          minLength: 7, maxLength: 64

  - `BetaManagedAgentsFileResource object`

    - `type: "file"`

    - `id: string`

    - `created_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `file_id: string`

    - `mount_path: string`

    - `updated_at: string`

      A timestamp in RFC 3339 format

      format: date-time

  - `BetaManagedAgentsMemoryStoreResource object`

    A memory store attached to an agent session.

    - `type: "memory_store"`

    - `memory_store_id: string`

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

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

      Access mode for the mounted store. Defaults to `read_write`. `read_only` mounts the store as a read-only filesystem.

      - `"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.

      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.

    - `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.

### Resource Retrieve Response

- `ResourceRetrieveResponse = BetaManagedAgentsGitHubRepositoryResource or BetaManagedAgentsFileResource or BetaManagedAgentsMemoryStoreResource`

  The requested session resource.

  - `BetaManagedAgentsGitHubRepositoryResource object`

    - `type: "github_repository"`

    - `id: string`

    - `created_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `mount_path: string`

    - `updated_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `url: string`

    - `checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null`

      - `BetaManagedAgentsBranchCheckout object`

        - `type: "branch"`

        - `name: string`

          Branch name to check out.

          minLength: 1, maxLength: 255

      - `BetaManagedAgentsCommitCheckout object`

        - `type: "commit"`

        - `sha: string`

          Full commit SHA to check out.

          minLength: 7, maxLength: 64

  - `BetaManagedAgentsFileResource object`

    - `type: "file"`

    - `id: string`

    - `created_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `file_id: string`

    - `mount_path: string`

    - `updated_at: string`

      A timestamp in RFC 3339 format

      format: date-time

  - `BetaManagedAgentsMemoryStoreResource object`

    A memory store attached to an agent session.

    - `type: "memory_store"`

    - `memory_store_id: string`

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

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

      Access mode for the mounted store. Defaults to `read_write`. `read_only` mounts the store as a read-only filesystem.

      - `"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.

      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.

    - `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.

### Resource Update Response

- `ResourceUpdateResponse = BetaManagedAgentsGitHubRepositoryResource or BetaManagedAgentsFileResource or BetaManagedAgentsMemoryStoreResource`

  The updated session resource.

  - `BetaManagedAgentsGitHubRepositoryResource object`

    - `type: "github_repository"`

    - `id: string`

    - `created_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `mount_path: string`

    - `updated_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `url: string`

    - `checkout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or null`

      - `BetaManagedAgentsBranchCheckout object`

        - `type: "branch"`

        - `name: string`

          Branch name to check out.

          minLength: 1, maxLength: 255

      - `BetaManagedAgentsCommitCheckout object`

        - `type: "commit"`

        - `sha: string`

          Full commit SHA to check out.

          minLength: 7, maxLength: 64

  - `BetaManagedAgentsFileResource object`

    - `type: "file"`

    - `id: string`

    - `created_at: string`

      A timestamp in RFC 3339 format

      format: date-time

    - `file_id: string`

    - `mount_path: string`

    - `updated_at: string`

      A timestamp in RFC 3339 format

      format: date-time

  - `BetaManagedAgentsMemoryStoreResource object`

    A memory store attached to an agent session.

    - `type: "memory_store"`

    - `memory_store_id: string`

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

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

      Access mode for the mounted store. Defaults to `read_write`. `read_only` mounts the store as a read-only filesystem.

      - `"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.

      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.

    - `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.