Beta › Memory Stores
Create a memory store
POST /v1/memory_stores
Create a memory store
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
name: stringHuman-readable name for the store. Required; 1–255 characters; no control characters. The mount-path slug under
/mnt/memory/is derived from this name (lowercased, non-alphanumeric runs collapsed to a hyphen). Names need not be unique within a workspace.minLength: 1, maxLength: 255
description: optional stringFree-text description of what the store contains, up to 1024 characters. Included in the agent's system prompt when the store is attached, so word it to be useful to the agent.
maxLength: 1024
metadata: optional map[string]Arbitrary key-value tags for your own bookkeeping (such as the end user a store belongs to). Up to 16 pairs; keys 1–64 characters; values up to 512 characters. Not visible to the agent.
Returns
BetaManagedAgentsMemoryStore objectA
memory_store: a named container for agent memories, scoped to a workspace. Attach a store to a session viaresources[]to mount it as a directory the agent can read and write.type: "memory_store"id: stringUnique identifier for the memory store (a
memstore_...tagged ID). Use this when attaching the store to a session, or in the\{memory_store_id\}path parameter of subsequent calls.created_at: stringA timestamp in RFC 3339 format
format: date-time
name: stringHuman-readable name for the store. 1–255 characters. The store's mount-path slug under
/mnt/memory/is derived from this name.updated_at: stringA timestamp in RFC 3339 format
format: date-time
archived_at: optional string or nullA timestamp in RFC 3339 format
format: date-time
description: optional stringFree-text description of what the store contains, up to 1024 characters. Included in the agent's system prompt when the store is attached, so word it to be useful to the agent. Empty string when unset.
metadata: optional map[string]Arbitrary key-value tags for your own bookkeeping (such as the end user a store belongs to). Up to 16 pairs; keys 1–64 characters; values up to 512 characters. Returned on retrieve/list but not filterable.
Example
curl https://api.anthropic.com/v1/memory_stores \
-H 'Content-Type: application/json' \
-H 'anthropic-version: 2023-06-01' \
-H 'anthropic-beta: agent-memory-2026-07-22' \
-H "X-Api-Key: $ANTHROPIC_API_KEY" \
-d '{
"name": "x"
}'Response (200)
{
"id": "id",
"created_at": "2019-12-27T18:11:19.117Z",
"name": "name",
"type": "memory_store",
"updated_at": "2019-12-27T18:11:19.117Z",
"archived_at": "2019-12-27T18:11:19.117Z",
"description": "description",
"metadata": {
"foo": "string"
}
}List memory stores
GET /v1/memory_stores
List memory stores
Query parameters
"created_at[gte]": optional stringReturn only stores whose
created_atis at or after this time (inclusive). Sent on the wire ascreated_at[gte].format: date-time
"created_at[lte]": optional stringReturn only stores whose
created_atis at or before this time (inclusive). Sent on the wire ascreated_at[lte].format: date-time
include_archived: optional booleanWhen
true, archived stores are included in the results. Defaults tofalse(archived stores are excluded).limit: optional numberMaximum number of stores to return per page. Must be between 1 and 100. Defaults to 20 when omitted.
format: int32
page: optional stringOpaque pagination cursor (a
page_...value). Pass thenext_pagevalue from a previous response to fetch the next page; omit for the first page.
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: optional array of BetaManagedAgentsMemoryStoreMemory stores on this page, newest first. Empty when there are no stores matching the filters.
type: "memory_store"id: stringUnique identifier for the memory store (a
memstore_...tagged ID). Use this when attaching the store to a session, or in the\{memory_store_id\}path parameter of subsequent calls.created_at: stringA timestamp in RFC 3339 format
format: date-time
name: stringHuman-readable name for the store. 1–255 characters. The store's mount-path slug under
/mnt/memory/is derived from this name.updated_at: stringA timestamp in RFC 3339 format
format: date-time
archived_at: optional string or nullA timestamp in RFC 3339 format
format: date-time
description: optional stringFree-text description of what the store contains, up to 1024 characters. Included in the agent's system prompt when the store is attached, so word it to be useful to the agent. Empty string when unset.
metadata: optional map[string]Arbitrary key-value tags for your own bookkeeping (such as the end user a store belongs to). Up to 16 pairs; keys 1–64 characters; values up to 512 characters. Returned on retrieve/list but not filterable.
next_page: optional string or nullOpaque cursor for the next page (a
page_...value). Pass aspageon the next request.nullwhen there are no more results.
Example
curl https://api.anthropic.com/v1/memory_stores \
-H 'anthropic-version: 2023-06-01' \
-H 'anthropic-beta: agent-memory-2026-07-22' \
-H "X-Api-Key: $ANTHROPIC_API_KEY"Response (200)
{
"data": [
{
"id": "id",
"created_at": "2019-12-27T18:11:19.117Z",
"name": "name",
"type": "memory_store",
"updated_at": "2019-12-27T18:11:19.117Z",
"archived_at": "2019-12-27T18:11:19.117Z",
"description": "description",
"metadata": {
"foo": "string"
}
}
],
"next_page": "next_page"
}Retrieve a memory store
GET /v1/memory_stores/\{memory_store_id\}
Retrieve a memory store
Path parameters
memory_store_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
BetaManagedAgentsMemoryStore objectA
memory_store: a named container for agent memories, scoped to a workspace. Attach a store to a session viaresources[]to mount it as a directory the agent can read and write.type: "memory_store"id: stringUnique identifier for the memory store (a
memstore_...tagged ID). Use this when attaching the store to a session, or in the\{memory_store_id\}path parameter of subsequent calls.created_at: stringA timestamp in RFC 3339 format
format: date-time
name: stringHuman-readable name for the store. 1–255 characters. The store's mount-path slug under
/mnt/memory/is derived from this name.updated_at: stringA timestamp in RFC 3339 format
format: date-time
archived_at: optional string or nullA timestamp in RFC 3339 format
format: date-time
description: optional stringFree-text description of what the store contains, up to 1024 characters. Included in the agent's system prompt when the store is attached, so word it to be useful to the agent. Empty string when unset.
metadata: optional map[string]Arbitrary key-value tags for your own bookkeeping (such as the end user a store belongs to). Up to 16 pairs; keys 1–64 characters; values up to 512 characters. Returned on retrieve/list but not filterable.
Example
curl https://api.anthropic.com/v1/memory_stores/$MEMORY_STORE_ID \
-H 'anthropic-version: 2023-06-01' \
-H 'anthropic-beta: agent-memory-2026-07-22' \
-H "X-Api-Key: $ANTHROPIC_API_KEY"Response (200)
{
"id": "id",
"created_at": "2019-12-27T18:11:19.117Z",
"name": "name",
"type": "memory_store",
"updated_at": "2019-12-27T18:11:19.117Z",
"archived_at": "2019-12-27T18:11:19.117Z",
"description": "description",
"metadata": {
"foo": "string"
}
}Update a memory store
POST /v1/memory_stores/\{memory_store_id\}
Update a memory store
Path parameters
memory_store_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
description: optional string or nullNew description for the store, up to 1024 characters. Pass an empty string to clear it.
maxLength: 1024
metadata: optional map[string] or nullMetadata patch. Set a key to a string to upsert it, or to null to delete it. Omit the field to preserve. The stored bag is limited to 16 keys (up to 64 chars each) with values up to 512 chars.
name: optional string or nullNew human-readable name for the store. 1–255 characters; no control characters. Renaming changes the slug used for the store's
mount_pathin sessions created after the update.minLength: 1, maxLength: 255
Returns
BetaManagedAgentsMemoryStore objectA
memory_store: a named container for agent memories, scoped to a workspace. Attach a store to a session viaresources[]to mount it as a directory the agent can read and write.type: "memory_store"id: stringUnique identifier for the memory store (a
memstore_...tagged ID). Use this when attaching the store to a session, or in the\{memory_store_id\}path parameter of subsequent calls.created_at: stringA timestamp in RFC 3339 format
format: date-time
name: stringHuman-readable name for the store. 1–255 characters. The store's mount-path slug under
/mnt/memory/is derived from this name.updated_at: stringA timestamp in RFC 3339 format
format: date-time
archived_at: optional string or nullA timestamp in RFC 3339 format
format: date-time
description: optional stringFree-text description of what the store contains, up to 1024 characters. Included in the agent's system prompt when the store is attached, so word it to be useful to the agent. Empty string when unset.
metadata: optional map[string]Arbitrary key-value tags for your own bookkeeping (such as the end user a store belongs to). Up to 16 pairs; keys 1–64 characters; values up to 512 characters. Returned on retrieve/list but not filterable.
Example
curl https://api.anthropic.com/v1/memory_stores/$MEMORY_STORE_ID \
-H 'Content-Type: application/json' \
-H 'anthropic-version: 2023-06-01' \
-H 'anthropic-beta: agent-memory-2026-07-22' \
-H "X-Api-Key: $ANTHROPIC_API_KEY" \
-d '{}'Response (200)
{
"id": "id",
"created_at": "2019-12-27T18:11:19.117Z",
"name": "name",
"type": "memory_store",
"updated_at": "2019-12-27T18:11:19.117Z",
"archived_at": "2019-12-27T18:11:19.117Z",
"description": "description",
"metadata": {
"foo": "string"
}
}Delete a memory store
DELETE /v1/memory_stores/\{memory_store_id\}
Delete a memory store
Path parameters
memory_store_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
BetaManagedAgentsDeletedMemoryStore objectConfirmation that a
memory_storewas deleted.type: "memory_store_deleted"id: stringID of the deleted memory store (a
memstore_...identifier). The store and all its memories and versions are no longer retrievable.
Example
curl https://api.anthropic.com/v1/memory_stores/$MEMORY_STORE_ID \
-X DELETE \
-H 'anthropic-version: 2023-06-01' \
-H 'anthropic-beta: agent-memory-2026-07-22' \
-H "X-Api-Key: $ANTHROPIC_API_KEY"Response (200)
{
"id": "id",
"type": "memory_store_deleted"
}Archive a memory store
POST /v1/memory_stores/\{memory_store_id\}/archive
Archive a memory store
Path parameters
memory_store_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
BetaManagedAgentsMemoryStore objectA
memory_store: a named container for agent memories, scoped to a workspace. Attach a store to a session viaresources[]to mount it as a directory the agent can read and write.type: "memory_store"id: stringUnique identifier for the memory store (a
memstore_...tagged ID). Use this when attaching the store to a session, or in the\{memory_store_id\}path parameter of subsequent calls.created_at: stringA timestamp in RFC 3339 format
format: date-time
name: stringHuman-readable name for the store. 1–255 characters. The store's mount-path slug under
/mnt/memory/is derived from this name.updated_at: stringA timestamp in RFC 3339 format
format: date-time
archived_at: optional string or nullA timestamp in RFC 3339 format
format: date-time
description: optional stringFree-text description of what the store contains, up to 1024 characters. Included in the agent's system prompt when the store is attached, so word it to be useful to the agent. Empty string when unset.
metadata: optional map[string]Arbitrary key-value tags for your own bookkeeping (such as the end user a store belongs to). Up to 16 pairs; keys 1–64 characters; values up to 512 characters. Returned on retrieve/list but not filterable.
Example
curl https://api.anthropic.com/v1/memory_stores/$MEMORY_STORE_ID/archive \
-X POST \
-H 'anthropic-version: 2023-06-01' \
-H 'anthropic-beta: agent-memory-2026-07-22' \
-H "X-Api-Key: $ANTHROPIC_API_KEY"Response (200)
{
"id": "id",
"created_at": "2019-12-27T18:11:19.117Z",
"name": "name",
"type": "memory_store",
"updated_at": "2019-12-27T18:11:19.117Z",
"archived_at": "2019-12-27T18:11:19.117Z",
"description": "description",
"metadata": {
"foo": "string"
}
}