Security assessment of a codebase — minimal mode for runner validation
Daily fetch from a fixed public allowlist; score against the user's interests file; cluster into themes; push the digest to the configured channel
Read-only retrieval over the daily-digest kept set. Slash-invoke with `/librarian <question>`; returns items verbatim with citations.
Math calculations and unit conversions
Parse and analyze CSV data
Analyze disk usage and find large files
Docker container management
Find files and search content across directories