Summary
Helps you tailor resumes and cover letters to specific job postings by analyzing requirements, identifying missing keywords, and rewriting bullets to match what companies are looking for. It extracts must-have versus nice-to-have skills, generates before/after comparisons with concrete suggestions, and produces ATS-optimized versions with all the right buzzwords. Also creates role-specific interview prep and does skills gap analysis. The formatting is thorough, maybe overly detailed with all the dividers and emoji, but the core value is real: it systematically maps your experience to job descriptions so you're not guessing what to emphasize. Most useful when you're applying to roles that are close but not perfect matches for your background.
Install to Claude Code
npx -y skills add onewave-ai/claude-skills --skill job-application-optimizer --agent claude-codeInstalls into .claude/skills of the current project.
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Files
SKILL.mdView on GitHub
Job Application Optimizer
Tailor job application materials and prepare for interviews with AI-powered optimization.
Contents
- references/resume-optimization.md - Full resume optimization report template and ATS checklist
- references/cover-letter.md - Cover letter template and breakdown
- references/interview-prep.md - Interview preparation guide template
Workflow
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Identify the task type: resume tailoring, cover letter generation, interview preparation, skills gap analysis, or application strategy.
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Gather inputs from the user: current resume, target job posting, optional LinkedIn profile, career goals, and any constraints.
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Analyze the job posting. Extract:
- Required skills, preferred skills, years of experience, technical and soft skills, education, certifications, and tools.
- Keywords: industry terms, technical jargon, action verbs, company values, role-specific language, and ATS keywords.
- Culture signals: work style, values, environment (startup/enterprise/remote), leadership style, and team dynamics.
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Score the candidate against requirements. Mark each requirement as met, partial, or a gap. List keywords missing from the resume.
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Produce the requested deliverable using the matching template:
- Resume optimization: rewrite summary, experience bullets, and skills section; quantify achievements; address gaps; run the ATS checklist. See references/resume-optimization.md.
- Cover letter: open with hook and position, match 2-3 key requirements with metrics, show company research, close with a call to action. See references/cover-letter.md.
- Interview prep: generate likely technical and behavioral questions, deep-dive topics, questions to ask, and a pre-interview checklist. See references/interview-prep.md.
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Verify output quality before delivering. Confirm it matches requirements closely, uses exact keywords naturally, quantifies achievements, shows cultural fit, stays ATS-friendly, tells compelling stories, and is error-free.
Example Triggers
- "Optimize my resume for this job posting"
- "Write a cover letter for this position"
- "Prepare interview questions for this role"
- "Analyze this job description"
- "What skills am I missing for this job?"
- "Tailor my resume to match these requirements"
Best Practices
- Resume: use exact keywords from the posting, quantify achievements, lead with relevant experience, keep to 1-2 pages, format for ATS, match language and tone.
- Cover letter: personalize to company and role, show genuine research, match 2-3 requirements with metrics, keep to 3-4 paragraphs, open and close strong.
- Interview prep: prepare STAR stories, practice out loud, research the company thoroughly, prepare thoughtful questions, review technical concepts.
Featured
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →First SeenJun 3, 2026
