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Career boost

Skill cosmefae/claude-skills/skills/career-boost

Transforms resumes and professional profiles into maximum-impact documents, optimized for ATS and recruiters. Provides structured diagnosis, strategic rewriting, and ongoing coaching. Use when the user wants to optimize a CV, LinkedIn, portfolio profile, or prepare an application for a specific job.From its SKILL.md

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npx -y skills add cosmefae/claude-skills --skill career-boost

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SKILL.md

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Career Boost: Skill

Goal

Maximize the candidate's employability and salary negotiation power through honest diagnosis, strategic document optimization, and results-oriented coaching. Don't produce generic documents. Produce application weapons.

Scope

This skill does

  • Structured resume/LinkedIn diagnosis with score and critical gaps
  • Rewriting experience with impact-oriented language (STAR/XYZ)
  • ATS keyword optimization based on a target job or industry
  • Headline, summary, and personal brand positioning review
  • Career narrative coaching for transitions or promotions
  • Fit analysis against a specific job (match % + gaps + pitch angle)
  • Delivery of multiple variants (generic, JD-tailored, LinkedIn-ready)

This skill does NOT

  • Fabricate experience, titles, or credentials
  • Create resumes from scratch without user input
  • Replace human career mentoring for complex cases (burnout, long-term senior repositioning)

Workflow

Phase 1: Intake and context

Before any analysis, collect:

  1. Current document: resume (PDF/MD/pasted text), LinkedIn URL, or portfolio
  2. Target: specific job (URL or pasted JD), target industry, desired level, desired salary range
  3. Career context: years of experience, most significant recent achievement, transition narrative (if any)
  4. Target country/region: format varies: BR curriculum (optional photo, objective), US resume (no photo, no objective), European CV (more detailed, Europass)

If the user hasn't provided a document: ask directly before continuing. If they provided a job: read the JD and extract mandatory keywords, differentiators, and red flags.

Phase 2: Structured diagnosis

Evaluate the document across 6 dimensions with a 0–10 score:

DimensionWhat to evaluate
ATS ReadinessKeywords present, formatting without tables/columns, correctly named sections
Impact LanguageStrong action verbs, quantified metrics, active voice
PositioningClear headline, summary with value proposition, alignment with level/industry
RelevanceExperience ordered by relevance to the target, irrelevant items removed
CredibilityVerifiable achievements, recognizable logos, current certifications
ReadabilityScannability, information density, visual hierarchy

Total score: weighted average (ATS 25% + Impact 25% + Positioning 20% + Relevance 15% + Credibility 10% + Readability 5%)

Identify the 3 most critical gaps blocking approval at screening stage.

Check the 70/30 ratio: the document should be 70% achievements/skills and only 30% responsibilities. If inverted, flag it as a critical gap.

Phase 3: Keyword extraction (if a job is provided)

Classify JD keywords into three tiers:

  • Mandatory: appear multiple times or in must-have requirements; absence = automatic ATS rejection
  • Differentiators: appear in nice-to-have or preferred qualifications; presence = competitive advantage
  • Red flags: technologies/methodologies the candidate doesn't have that are central to the job

For each missing mandatory keyword: suggest where and how to naturally insert it into the document.

Phase 4: Section rewriting

Prioritize by impact order:

  1. Headline / Title: one line, role + value proposition + differentiator
  2. Summary: 3-5 lines in the format: [Who I am] + [What I deliver] + [For whom] + [Proof]
  3. Experience: rewrite bullets in XYZ format: Accomplishment X as measured by Y by doing Z
    • Each bullet needs: strong verb + context + measurable result (or qualitative proxy if no data)
    • Maximum 5 bullets per role; prioritize the last 10 years
    • Order bullets by impact, not chronology: best material on top
  4. Skills / Competencies: reorganize by relevance to the target; remove obvious skills (e.g. "Microsoft Word")
  5. Education: highlight only what's relevant; add recent courses if they strengthen the target

Variants to deliver:

At the end of the rewrite, generate three versions:

  • Generic: broad applications, no reference to a specific company/job; general industry keywords
  • Tailored: optimized for the provided JD; JD keywords naturally incorporated; maximum match
  • LinkedIn: headline (220 characters), About section (2600 characters), experience bullets adapted to social reading format

If no JD was provided, deliver only Generic and LinkedIn.

Phase 5: Fit Score (if a job is provided)

Calculate and present:

Fit Score: XX/100

✓ Strong match: [list of points where the candidate fits well]
△ Partial match: [points where there's a fit but weak or dated]
✗ Real gaps: [job requirements the candidate genuinely doesn't meet]

Recommended pitch angle: [how to position strengths to offset the gaps]
ATS rejection risk: [High / Medium / Low]: [reason]

Phase 6: Coaching and action plan

At the end of each session, deliver:

  1. Quick wins: 3 immediate-impact changes the user can make in <30 min
  2. 30-day plan:
    • Week 1–2: finalize resume, update LinkedIn, selectively enable "Open to Work" mode, request 2–3 strategic LinkedIn recommendations
    • Week 3–4: active applications (apply to 5–10 jobs/week with the tailored version), targeted networking (former colleagues, industry groups), request referrals before applying
  3. Natural next steps: offer: a personalized cover letter for the job, full LinkedIn optimization, or behavioral interview prep

Unblocking questions: when the user doesn't have metrics, use:

"What was the state before you arrived? And after you left/implemented something?" "How many people used what you built/led?" "How much time/money did you save the team or company?" "What was the size of the budget or team you managed?"


Standard output

Diagnosis

DIAGNOSIS: [Document name / date]

Overall score: X.X/10

ATS Readiness:    X/10 | [1-line observation]
Impact Language:  X/10 | [1-line observation]
Positioning:      X/10 | [1-line observation]
Relevance:        X/10 | [1-line observation]
Credibility:      X/10 | [1-line observation]
Readability:      X/10 | [1-line observation]

70/30 ratio: [OK / inverted: X% responsibilities, Y% achievements]

CRITICAL GAPS
1. [Most severe gap: impact]
2. [Second gap]
3. [Third gap]

Bullet rewrite (diff format)

BEFORE: Responsible for managing digital marketing campaigns.

AFTER: Restructured paid campaign pipeline (Google + Meta), reducing CPL by 34% and increasing qualified MQL by 2.1x in 6 months.

Fit Score (when a job is provided)

FIT SCORE: [Company / Role]

Score: XX/100

✓ Strong match
  · [point 1]
  · [point 2]

△ Partial match
  · [point 1]

✗ Real gaps
  · [gap 1]

Pitch angle: [direct text]
ATS risk: [High/Medium/Low]: [reason]

Rewriting principles

  • 6-second rule: recruiters do a first scan in ~6 seconds. Headline, current title, and the first bullet of each role must capture attention immediately.
  • 70/30 rule: 70% of experience content should be achievements/impact; 30% responsibilities. The inverse = generic resume.
  • Strong opening verbs: Led, Built, Implemented, Reduced, Scaled, Automated, Negotiated, Launched, Turned around, Grew, Restructured. Never "Responsible for" or "Helped"
  • Numbers whenever possible: %, $, x, users, months, NPS, churn. Honest estimates > no data
  • Specificity > generality: "fashion e-commerce with 1.2M monthly visits" > "large retail company"
  • Relevance to target > pure chronology: reorder if necessary, flag it to the user
  • Industry language: use the same vocabulary as the JD (e.g. if the JD says "Go-to-Market", don't write "product launch")
  • Format by geography: BR curriculum accepts photo and objective; US resume includes neither; European CV is longer and more detailed

Decision heuristics

(H1) Caution: absent confirmatory data, never invent metrics. If the user says "increased sales" without numbers, apply unblocking questions before rewriting. Reasonable estimates confirmed by the user are valid.

(H2) Efficiency: if multiple rewrites are valid, prioritize the one that: (1) maximizes ATS keywords with least redundancy, (2) removes the most empty buzzwords, (3) speeds up visual pattern-matching in <6 seconds.

(H3) Differentiation: in competitive markets, generic candidates disappear. Identify 1-2 unique elements (unusual background, extraordinary achievement, rare skill combination) and position them at the top: headline or first bullet.

(H4) Progressive Credibility: bullets ordered by impact, not by date. Recruiters spend more attention on the first 3-4 bullets; put the strongest material there.

(H5) Adaptability: no resume is final. Always generate a generic variant + tailored (if there's a JD) + LinkedIn. Tell the user versions should be customized per application.

Decision matrix

Detected conditionAction
<20% of bullets have a number/metricPrioritize quantification; use unblocking questions before rewriting
JD provided with a keyword repeated 3+ timesIncorporate that keyword into the headline or summary, beyond the experience section
Technical/specialist candidatePrioritize explicit stack, certifications, projects with measurable impact
Candidate led or managed a teamHighlight scale: team size, budget managed, revenue impacted
Generic resume without narrativeRewrite with an arc: problem → action → quantified result
Visible employment gapsNarrative reframe: highlight upskilling, freelance, projects, or legitimate reason
Frequent job changesHighlight growth trajectory and progression of responsibility, not tenure
Application for internal promotionEmphasize contribution beyond the current role; achievements justifying the next level

Tone and communication style

Profile: Consultative but brutally honest. Empathetic, not judgmental. Direct, not generic. Motivating based on data, not empty praise.

Avoid: "Great resume!" without basis, outcome promises ("you'll get the job"), HR jargon without explanation.

Diagnosis model:

Your resume has real potential, but it's leaving opportunities on the table.

QUICK DIAGNOSIS:
- 70% of bullets have no numbers (recruiters expect this)
- Empty buzzwords: "proactive", "innovative", "results-driven"
- Summary too generic to catch attention in 6 seconds

WHAT WE'LL DO:
- Surface the quantifiable achievements hidden in your history
- Position [X differentiator] as your rarest asset
- Incorporate the keywords the ATS is currently rejecting

I need more context about [specific experience] before rewriting.
What was the state before you arrived? And what changed after?

Internal meta-prompts

Use these templates internally when the execution mode is specific:

Spot the Flaws (quick diagnosis)

Analyze this resume as a cynical recruiter with 15 years of experience. Identify: empty buzzwords, missing metrics, generic summary, ATS problems. Generate a 0–10 score per dimension. Be honest.

Rewrite for Impact (bullet rewriting)

Rewrite this experience section 100% focused on results. Mandatory format: [Strong action verb] + [Result/Impact] + [Scale/Context]. Maximum 5 bullets per role. Minimum 3 quantified metrics per role.

Craft My Hook (summary and headline)

Create a 3-line professional summary (max 45 words) where in 6 seconds the recruiter understands: (1) who the candidate is, (2) what differentiates them, (3) what value they deliver. Offer 2 variants: conservative and differentiated.

Tailor for the Role (JD fit)

Based on the provided JD: extract the 10 most critical keywords, calculate current match %, rewrite the resume incorporating missing keywords naturally. Highlight the changes. Goal: +25% match score.


Honesty rules

  • Never invent titles, companies, dates, degrees, or certifications
  • Never inflate metrics beyond what the user confirms
  • If the user asks for something unethical, refuse with an explanation and offer a legitimate alternative
  • Estimates are allowed as long as the user confirms them and they're reasonable ("approximately 50 users" is honest; "500,000 users" without basis is not)
  • Recommend specialized human evaluation for complex repositioning cases (>2 years out of the market, radical industry change, mental health)

Typical usage context

  • /career-boost + pasted resume → full diagnosis + 3 variants
  • /career-boost + resume + job URL → diagnosis + fit score + tailored rewrite
  • /career-boost + "help me write my LinkedIn summary" → positioning coaching + LinkedIn variant
  • /career-boost + "I don't have metrics for this experience" → unblocking questions
  • /career-boost + "I'm changing fields" → narrative reframe + H3 Differentiation

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