forget
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 Use when removing outdated decisions, incorrect memories, sensitive data, or cleaning up after experiments.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.
What this skill does
# Mem0 Forget
Delete specific memories from mem0.
## Execution
### Step 1: Parse input
The user provides either:
- A search query: `/mem0:forget auth module decisions`
- A memory ID: `/mem0:forget <memory_id>`
If no argument, ask: "What should I forget? Provide a search query or memory ID."
### Step 2: Find memories
**If memory ID provided** (looks like a UUID or hex string):
- Call `get_memory` with the ID to verify it exists.
- Show: `Found: "<memory content first 120 chars>" (created <date>)`
**If search query provided:**
- Call `search_memories` with:
- `query=<user's query>`
- `filters={"AND": [{"user_id": "<active_user_id>"}, {"app_id": "<project_id>"}]}`
- `top_k=10`
- Show numbered list:
```
Found <N> memories matching "<query>":
1. <content, 120 chars> (type: <type>, created: <date>) [ID: <short_id>]
2. ...
```
### Step 3: Confirm
Ask: "Delete which memories? Enter numbers (e.g., 1,3,5), 'all', or 'cancel'."
For a single memory ID, ask: "Delete this memory? [y/N]"
**Never delete without confirmation.** This is destructive.
### Step 4: Delete
For each confirmed memory, call `delete_memory` with the memory ID.
### Step 5: Report
```
Deleted <N> memories.
```
If any deletions failed, report which ones and why.
## Undo recent writes
If the user says "undo last N memories" or "undo last write":
1. Read session stats to get recently written memory IDs:
```bash
SCRIPT_DIR="${CLAUDE_PLUGIN_ROOT:-${CODEX_PLUGIN_ROOT:-${CURSOR_PLUGIN_ROOT:-}}}/scripts"
python3 "$SCRIPT_DIR/session_stats.py" peek
```
2. Parse the `recent_ids` array from the JSON output. Each entry has `id`, `category`, `ts`.
3. Show the last N entries (default 1) and ask for confirmation.
4. Delete confirmed entries via `delete_memory`.
If `recent_ids` is empty, tell the user: "No recent memory IDs tracked this session. Try `/mem0:tour` to browse recent memories, or `/mem0:forget <search query>` to find specific ones."
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