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Lists all projects with stored memories for the current user, showing memory counts and last activity dates. Use when checking which projects have memories, comparing memory distribution across repos, or finding a specific project scope.
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Searches and injects relevant memories into context before starting work on a task. Use when beginning a new task, switching context, or when project history, past decisions, or coding conventions need to be loaded.
Consolidates stored memories by merging duplicates, resolving contradictions, and pruning stale entries. Use when memory count is high, search results feel noisy or repetitive, or periodic cleanup is needed to maintain memory quality.
Deletes memories by search query or memory ID with confirmation before removal. Use when removing outdated decisions, incorrect memories, sensitive data, or cleaning up after experiments. Also handles undo of recent additions.
Pins or unpins a memory to protect it from pruning during dream consolidation. Use when a memory is critical and must never be removed, such as architecture decisions, security constraints, or immutable team conventions.
Stores a memory verbatim from user input with appropriate type classification and metadata. Use when the user says remember this, save this, store this, note that, or explicitly asks to record a decision, preference, convention, or learning.
Views or changes the default memory scope (project, session, or global) used when saving and searching memories. Use when the user wants to control whether memories are scoped to this repo, this run, or shared across all their projects.
| name | list-projects |
| description | Lists all projects with stored memories for the current user, showing memory counts and last activity dates. Use when checking which projects have memories, comparing memory distribution across repos, or finding a specific project scope. |
Show all known project scopes for the current user.
There is no dedicated "list projects" API endpoint. Discover projects by fetching the user's memories across all scopes.
Important: A filter with only user_id triggers implicit null scoping — it
excludes memories that have a non-null app_id. Run two queries and merge:
get_memories with filters={"AND": [{"user_id": "<active_user_id>"}]}, page_size=200
— catches memories without app_idget_memories with filters={"AND": [{"user_id": "<active_user_id>"}, {"app_id": {"exists": true}}]}, page_size=200
— catches memories with any app_idRun both calls in parallel. Merge results, deduplicate by memory id.
If either response indicates more pages, paginate (up to 1000 total).
For each memory, determine project by:
app_id field (preferred)metadata.project_id (legacy memories)metadata.project (oldest format)"(unscoped)" if none foundGroup by resolved project name. For each project, count:
created_at datemetadata.type values by frequency## mem0 projects
<app_id_1> <count> memories (last: <date>) ← current
<app_id_2> <count> memories (last: <date>)
<N> projects, <M> total memories
Mark current project with ← current. Sort by memory count descending.
If zero memories found:
No projects found. Run /mem0:onboard to get started.