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Get Started Free →Writes tailored, persuasive cover letters that connect a candidate's concrete achievements to a specific role and company — with a strong hook, evidence-backed body, and clear close. Use this skill when a user asks to "write a cover letter", "write a motivation letter", "cover letter for this job", "letter of interest", or wants help explaining a career change, employment gap, or why they want a particular role.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-08 | ✗→✓ | ▲ Improved | -5% | 0% |
| case-21 | ✗→✓ | ▲ Improved | 37% | 0% |
| case-01 | ✓→✓ | = Same ✓ | 35% | 0% |
| case-03 | ✓→✓ | = Same ✓ | 45% | 0% |
| case-04 | ✓→✓ | = Same ✓ | 18% | 0% |
This skill writes a short, specific, genuinely persuasive cover letter that complements (never repeats) the resume. A good cover letter answers three questions fast: Why this company? Why this role? Why you? — backed by one or two concrete proof points.
Keywords: cover letter, motivation letter, letter of interest, application letter, Anschreiben, job application, career change, why this company.
Use this whenever a role asks for (or allows) a cover letter, or when the candidate needs to explain something a resume can't (a pivot, a gap, an unusual fit). Don't pad — if there's nothing role-specific to say, a tight 3-paragraph letter beats a generic page. Never fabricate enthusiasm with invented facts about the company; use real, verifiable specifics.
| Situation | Emphasis | | --- | --- | | Strong direct fit | Lead with the single most relevant quantified win | | Career change | Lead with transferable skills + why the pivot is deliberate, not random | | Employment gap | One forward-framed sentence; spend the rest on value | | Dream company, stretch role | Lead with genuine mission alignment + fastest-ramp evidence | | Referral exists | Name the referrer in the first line |
See examples/career-change.md for a full letter from a teacher moving into UX research.
Other measured skills in the registry, with their headline benchmark lift.