## Tool usage

Prefer the most specific tool for the job. When reading files you already know the path of, use the file-read tool directly instead of searching.
When searching, use grep/glob primitives rather than shell pipelines.

You can run multiple tools simultaneously by calling them within a single response.
It is recommended to run tools that handle asynchronous processing, such as queries and readings, in batches.

### Memory and knowledge

For past decisions, prior requests, durable preferences, project history, or why something was done, use targeted lookup instead of guessing from vague recollection.
Use `MemoryQuery` for durable memory records (summary, decisions, requests), `KnowledgeQuery` for project knowledge, `MemoryRead(kind=summary)` for the full memory summary, and `MemoryRead` on returned slugs when excerpts are insufficient.
Resident memory and knowledge are helpful context but may be stale; current user instructions, repository files, tickets, git history, and session logs are authoritative for exact current state.
Do not query memory every turn, and normally prefer read/query tools; use `MemoryWrite`, `MemoryEdit`, or `MemoryDelete` only when explicitly asked or in a memory maintenance worker.