Beta › Sessions › Resources
Add Session Resource
POST /v1/sessions/\{session_id\}/resources
Add Session Resource
Path parameters
session_id: string
Headers
"anthropic-beta": optional array of AnthropicBetaOptional 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 42 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""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"
"anthropic-workspace-id": optional string
Body parameters
file_id: stringID of a previously uploaded file.
minLength: 1, maxLength: 128
type: "file"mount_path: optional string or nullMount path in the container. Defaults to
/mnt/session/uploads/<file_id>.minLength: 1, maxLength: 4096
Returns
BetaManagedAgentsFileResource objecttype: "file"id: stringcreated_at: stringA timestamp in RFC 3339 format
format: date-time
file_id: stringmount_path: stringupdated_at: stringA timestamp in RFC 3339 format
format: date-time
Example
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)
{
"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 numberMaximum number of resources to return per page (max 1000). If omitted, returns all resources.
format: int32
page: optional stringOpaque cursor from a previous response's
next_pagefield.
Headers
"anthropic-beta": optional array of AnthropicBetaOptional 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 42 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""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"
"anthropic-workspace-id": optional string
Returns
data: array of BetaManagedAgentsSessionResourceResources for the session, ordered by
created_at.BetaManagedAgentsGitHubRepositoryResource objecttype: "github_repository"id: stringcreated_at: stringA timestamp in RFC 3339 format
format: date-time
mount_path: stringupdated_at: stringA timestamp in RFC 3339 format
format: date-time
url: stringcheckout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or nullBetaManagedAgentsBranchCheckout objecttype: "branch"name: stringBranch name to check out.
minLength: 1, maxLength: 255
BetaManagedAgentsCommitCheckout objecttype: "commit"sha: stringFull commit SHA to check out.
minLength: 7, maxLength: 64
BetaManagedAgentsFileResource objecttype: "file"id: stringcreated_at: stringA timestamp in RFC 3339 format
format: date-time
file_id: stringmount_path: stringupdated_at: stringA timestamp in RFC 3339 format
format: date-time
BetaManagedAgentsMemoryStoreResource objectA memory store attached to an agent session.
type: "memory_store"memory_store_id: stringThe memory store ID (memstore_...). Must belong to the caller's organization and workspace.
access: optional "read_write" or "read_only" or nullAccess mode for an attached memory store.
"read_write""read_only"
description: optional stringDescription 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 nullPer-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 nullFilesystem 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 nullDisplay 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 nullOpaque cursor for the next page. Null when no more results.
Example
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)
{
"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_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"
}
}
],
"next_page": "page_MjAyNS0wNS0xNFQwMDowMDowMFo="
}Get Session Resource
GET /v1/sessions/\{session_id\}/resources/\{resource_id\}
Get Session Resource
Path parameters
session_id: stringresource_id: string
Headers
"anthropic-beta": optional array of AnthropicBetaOptional 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 42 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""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"
"anthropic-workspace-id": optional string
Returns
BetaManagedAgentsGitHubRepositoryResource objecttype: "github_repository"id: stringcreated_at: stringA timestamp in RFC 3339 format
format: date-time
mount_path: stringupdated_at: stringA timestamp in RFC 3339 format
format: date-time
url: stringcheckout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or nullBetaManagedAgentsBranchCheckout objecttype: "branch"name: stringBranch name to check out.
minLength: 1, maxLength: 255
BetaManagedAgentsCommitCheckout objecttype: "commit"sha: stringFull commit SHA to check out.
minLength: 7, maxLength: 64
BetaManagedAgentsFileResource objecttype: "file"id: stringcreated_at: stringA timestamp in RFC 3339 format
format: date-time
file_id: stringmount_path: stringupdated_at: stringA timestamp in RFC 3339 format
format: date-time
BetaManagedAgentsMemoryStoreResource objectA memory store attached to an agent session.
type: "memory_store"memory_store_id: stringThe memory store ID (memstore_...). Must belong to the caller's organization and workspace.
access: optional "read_write" or "read_only" or nullAccess mode for an attached memory store.
"read_write""read_only"
description: optional stringDescription 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 nullPer-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 nullFilesystem 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 nullDisplay name of the memory store, snapshotted at attach time. Later edits to the store's name do not propagate to this resource.
Example
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)
{
"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"
}
}Update Session Resource
POST /v1/sessions/\{session_id\}/resources/\{resource_id\}
Update Session Resource
Path parameters
session_id: stringresource_id: string
Headers
"anthropic-beta": optional array of AnthropicBetaOptional 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 42 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""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"
"anthropic-workspace-id": optional string
Body parameters
authorization_token: stringNew authorization token for the resource. Currently only
github_repositoryresources support token rotation.minLength: 1, maxLength: 4096
Returns
BetaManagedAgentsGitHubRepositoryResource objecttype: "github_repository"id: stringcreated_at: stringA timestamp in RFC 3339 format
format: date-time
mount_path: stringupdated_at: stringA timestamp in RFC 3339 format
format: date-time
url: stringcheckout: optional BetaManagedAgentsBranchCheckout or BetaManagedAgentsCommitCheckout or nullBetaManagedAgentsBranchCheckout objecttype: "branch"name: stringBranch name to check out.
minLength: 1, maxLength: 255
BetaManagedAgentsCommitCheckout objecttype: "commit"sha: stringFull commit SHA to check out.
minLength: 7, maxLength: 64
BetaManagedAgentsFileResource objecttype: "file"id: stringcreated_at: stringA timestamp in RFC 3339 format
format: date-time
file_id: stringmount_path: stringupdated_at: stringA timestamp in RFC 3339 format
format: date-time
BetaManagedAgentsMemoryStoreResource objectA memory store attached to an agent session.
type: "memory_store"memory_store_id: stringThe memory store ID (memstore_...). Must belong to the caller's organization and workspace.
access: optional "read_write" or "read_only" or nullAccess mode for an attached memory store.
"read_write""read_only"
description: optional stringDescription 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 nullPer-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 nullFilesystem 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 nullDisplay name of the memory store, snapshotted at attach time. Later edits to the store's name do not propagate to this resource.
Example
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)
{
"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"
}
}Delete Session Resource
DELETE /v1/sessions/\{session_id\}/resources/\{resource_id\}
Delete Session Resource
Path parameters
session_id: stringresource_id: string
Headers
"anthropic-beta": optional array of AnthropicBetaOptional 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 42 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""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"
"anthropic-workspace-id": optional string
Returns
BetaManagedAgentsDeleteSessionResource objectConfirmation of resource deletion.
type: "session_resource_deleted"id: string
Example
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)
{
"id": "sesrsc_011CZkZBJq5dWxk9fVLNcPht",
"type": "session_resource_deleted"
}