Search memories from earlier Claude Code sessions in this repository. Use it when earlier work may already explain the code, error, decision, or command you need, so you can avoid repeating file reads, searches, or experiments.
Call search_memories with the user's question. Treat --top-k, --category,
--scope, and --run-id as tool arguments instead of including them in the
query.
Omit top_k to use Mem0's configured default. Omit category to search every
category; a category is a best-effort label Mem0 assigned when it saved the
memory, so if a category search misses, repeat it without the category. Omit
scope to use the configured default, normally repo: this repository's
shared memory, which everyone who works in it contributes to, plus your own
preferences.
Pass scope when the question needs something else: dir to narrow the
shared memory to the directory you are working in (a package inside a
monorepo), mine for your own preferences alone.
Pass run_id with any scope to retrieve memories saved in a specific coding-agent
session. Omit run_id to search across sessions. It filters the memories returned;
it does not identify the session making the search request. Use a known session ID,
never invent one. Return the tool's result directly.
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since Sep 11, 2026
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