mem0

Vercel AI SDK Provider (v3.0.0)

Major Release

Migrated to Vercel AI SDK v6 (LanguageModelV3 / ProviderV3) and the Mem0 v3 API.

Breaking Changes

AI SDK v6

• Upgraded from AI SDK v5 (LanguageModelV2) to AI SDK v6 (LanguageModelV3).

• Users must upgrade:

  • ai → ^6.0.199
  • All @ai-sdk/* provider packages → ^3.x

Mem0 v3 API

• Memory endpoints migrated:

  • /v1/memories/ → /v3/memories/add/
  • /v2/memories/search → /v3/memories/search/

• Entity IDs (user_id, agent_id, run_id) must now be provided inside the filters object for search requests.

Graph Memory Removed

• Removed:

  • enable_graph
  • Graph prompts
  • Relation extraction code

• Graph memory is now configured as a project-level setting in the Platform.

Deprecated Parameters Removed

The following fields have been removed from Mem0ConfigSettings:

• org_id
• project_id
• org_name
• project_name
• output_format
• filter_memories
• async_mode
• enable_graph
• version
• api_version

New Features

V3 Provider Contract

• specificationVersion: "v3"
• supportedUrls property
• V3 content arrays in doGenerate
• V3 stream lifecycle events in doStream

Mem0 Source in Responses

• Memories are attached as a source in generateText and streamText responses.

• Programmatic access is available via:

  • providerMetadata.mem0.memories

Bug Fixes

Async Memory Storage

• addMemories is now properly awaited.
• Memories no longer silently fail to store.

Prompt Mutation

• Prompt arrays are now cloned before memory context injection.
• Prevents side effects on the caller's array.

Null Guard on Content

• doGenerate now guards against null content values returned by upstream providers.

Stream Response

• doStream now returns the complete LanguageModelV3StreamResult object.
• Preserves all V3 fields.

Response Normalization

• getMemories and retrieveMemories now support both response formats:

  • [...]
  • { results: [...] }