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Get Started Free →Reference: DEPRECATED — use `/client-letter` for routine correspondence or `/status client` for substantive updates. Split into two more focused skills during the v2 rebuild. Kept as a redirect for migration.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | -25% | 0% |
| case-02 | ✗→✓ | ▲ Improved | -60% | 0% |
| case-03 | ✗→✓ | ▲ Improved | -59% | 0% |
| case-04 | ✗→✓ | ▲ Improved | 19% | 0% |
| case-05 | ✗→✓ | ▲ Improved | -59% | 0% |
/client-letter and /status clientThis skill was split during the v2 rebuild:
"we filed it" updates) → skills/client-letter/ — use /client-letter [type]
skills/status/ in client-facingmode — use /status client
Both apply the plain-language standards (reading level, no jargon) from CLAUDE.md.
See the respective SKILL.md files for full workflows.
Other measured skills in the registry, with their headline benchmark lift.