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Agent skill

Resume Ats Optimizer

by davila7 in davila7/claude-code-templates

Optimize resumes for Applicant Tracking Systems, check ATS compatibility, and analyze keyword match.

MITAuto-check passedBusiness, Finance & HR

Install Resume Ats Optimizer

skills CLI
$ npx skills add davila7/claude-code-templates --skill resume-ats-optimizer -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install davila7/claude-code-templates resume-ats-optimizer --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/davila7/claude-code-templates.git skills-src && mkdir -p .claude/skills && cp -r skills-src/cli-tool/components/skills/career/resume-ats-optimizer .claude/skills/resume-ats-optimizer && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
resume-ats-optimizer
GitHub stars
33k
Used in
3 other repos
Token cost
~2.3k tokens
SKILL.md length
802 words
Files
1
Skills in repo
479
Repo updated
First seen
Licence
MIT

At a glance

Optimize resumes for Applicant Tracking Systems, check ATS compatibility, and analyze keyword match.

  • Works in 4 steps: Extract Job Description Keywords → Match Analysis → Calculate Match Score → …
  • The user mentions ATS
  • SKILL.md covers When to Use This Skill, Core Capabilities, The ATS Problem and ATS Compatibility Checklist, plus 5 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Resume Ats Optimizer is an agent skill from davila7/claude-code-templates. Optimize resumes for Applicant Tracking Systems, check ATS compatibility, and analyze keyword match. Use when the user mentions ATS, applicant tracking, keyword optimization, parsing, or getting past resume screening software.

Its SKILL.md is about 2.3k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Business, Finance & HR, covering Recruiting and HR. The repository describes itself as: CLI tool for configuring and monitoring Claude Code. The licence is MIT.

When your agent uses it

  • The user mentions ATS
  • Applicant tracking
  • Keyword optimization
  • Getting past resume screening software

Example prompts

  • “/resume-ats-optimizer”

Requirements

  • Python 3
  • Node.js

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. Extract Job Description Keywords
  2. Match Analysis
  3. Calculate Match Score
  4. Keyword Placement Strategy

What it can do on your machine

Read from SKILL.md and the folder at commit c0ca7da. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Resume Ats Optimizer loads about 2.3k tokens when it runs. Until then it costs about 62 tokens; SKILL.md has 802 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~62
When it runs · the whole SKILL.md, loaded when a task matches
~2.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from davila7/claude-code-templates at commit c0ca7da, republished under its MIT licence (© davila7). 802 words, ~2,299 tokens.

Download SKILL.mdSave it as .claude/skills/resume-ats-optimizer/SKILL.md (or your agent's skills folder).
name
resume-ats-optimizer
description
Optimize resumes for Applicant Tracking Systems, check ATS compatibility, and analyze keyword match. Use when the user mentions ATS, applicant tracking, keyword optimization, parsing, or getting past resume screening software.

Resume ATS Optimizer

When to Use This Skill

Use this skill when the user wants to:

  • Optimize their resume for Applicant Tracking Systems (ATS)
  • Check if their resume will pass automated screening
  • Understand why their applications aren't getting responses
  • Mentions keywords like: "ATS", "not getting interviews", "resume not working", "optimize resume", "keyword optimization"

Also use when the user provides a resume file and mentions they're applying to jobs.

Core Capabilities

  • Parse resume and test ATS compatibility
  • Extract and analyze keywords against job descriptions
  • Identify formatting issues that break ATS parsers
  • Calculate match scores between resume and job postings
  • Suggest keyword additions and placements
  • Generate ATS-friendly formatting recommendations

The ATS Problem

75% of resumes are rejected by Applicant Tracking Systems before a human ever sees them. Companies use ATS to:

  • Filter out unqualified candidates automatically
  • Search for specific keywords from job requirements
  • Parse resumes into structured data
  • Rank candidates by keyword match percentage

Common reasons resumes fail ATS:

  1. Poor formatting (tables, columns, headers/footers)
  2. Missing keywords from job description
  3. Inconsistent section headers
  4. Non-standard fonts or special characters
  5. Text embedded in images
  6. Incorrect file format

ATS Compatibility Checklist

File Format
  • ✅ Use .docx or .pdf (not .pages, .odt)
  • ✅ PDF must be text-based, not scanned image
  • ✅ File name: "FirstName_LastName_Resume.pdf"
Font & Formatting
  • ✅ Standard fonts: Arial, Calibri, Georgia, Times New Roman
  • ✅ Font size: 10-12pt for body, 14-16pt for headers
  • ✅ No text boxes, tables, or columns
  • ✅ No headers/footers (put contact info in body)
  • ✅ No images, graphics, or charts
  • ✅ Consistent date formats (MM/YYYY)
  • ✅ Standard bullet points (•, -, *)
Section Headers

Use standard, recognizable headers:

  • ✅ "Professional Experience" or "Work Experience" (not "Where I've Been")
  • ✅ "Education" (not "Academic Background")
  • ✅ "Skills" (not "Core Competencies")
  • ✅ "Summary" or "Professional Summary"
Contact Information
John Smith
email@example.com | (555) 123-4567 | LinkedIn: linkedin.com/in/johnsmith
San Francisco, CA

NOT in header/footer, and avoid:

  • ❌ Tables for contact info
  • ❌ Special characters in email
  • ❌ Multiple phone numbers
  • ❌ Full mailing address (city/state is enough)

Keyword Optimization Process

Step 1: Extract Job Description Keywords

Identify three types of keywords:

Hard Skills (Technical)

  • Programming languages (Python, Java, SQL)
  • Tools and platforms (Salesforce, AWS, Excel)
  • Certifications (PMP, CPA, CFA)
  • Methodologies (Agile, Six Sigma, SDLC)

Soft Skills

  • Leadership, collaboration, communication
  • Problem-solving, analytical thinking
  • Project management, stakeholder management

Industry Terms

  • B2B, SaaS, e-commerce
  • Enterprise, SMB, mid-market
  • ARR, MRR, churn rate
Step 2: Match Analysis

For each keyword in job description:

  1. Check if exact phrase appears in resume
  2. Check for synonyms or variations
  3. Count frequency of mention
  4. Note location (summary, experience, skills)
Step 3: Calculate Match Score
Match Score = (Keywords Matched / Total Required Keywords) × 100

Example:
Job has 20 required keywords
Your resume has 15 of them
Match Score = 75%

Target: 80%+ for strong match
Step 4: Keyword Placement Strategy

Priority 1: Professional Summary (Top of Resume)

  • Include 5-8 most important keywords
  • Use naturally in 3-4 sentence paragraph
  • Example: "Data Scientist with 5+ years using Python, SQL, and machine learning to drive business insights..."

Priority 2: Skills Section

  • List keywords explicitly
  • Group by category if needed
  • Use exact phrasing from job description

Priority 3: Experience Bullets

  • Incorporate keywords into achievement statements
  • Don't force keywords unnaturally
  • Use variations throughout

Keyword Density Guidelines:

  • Critical keywords: Appear 2-4 times throughout resume
  • Important keywords: Appear 1-2 times
  • Don't keyword stuff - keep it natural
  • Vary phrasing (e.g., "led team" and "team leadership")
Show full SKILL.md (295 more words)Show less

Analysis Output Format

When analyzing a resume, provide this structured report:

markdown
# ATS COMPATIBILITY REPORT

## Overall Score: [X]/100

### File Format Check ✅/❌
- Format: [DOCX/PDF]
- Text extraction: [Success/Failed]
- File size: [X KB/MB]

### Formatting Issues
✅ No tables or columns detected
❌ Contact info in header (move to body)
⚠️  Two different font sizes in skills section

### Keyword Analysis

JOB REQUIREMENTS vs YOUR RESUME:

**Critical Keywords (Must Have):**
✅ Project Management - Found 3x
✅ Agile/Scrum - Found 2x
❌ Stakeholder Management - MISSING (mentioned 5x in JD)
❌ Budget Management - MISSING (mentioned 3x in JD)

**Important Keywords:**
✅ Cross-functional teams - Found 1x
⚠️  "Risk management" - You have "risk mitigation" (close but not exact match)
✅ Process improvement - Found 2x

**Match Score: 65%**
Target: 80%+ recommended

### Recommended Changes

**1. Add Missing Keywords:**

In Professional Summary, change:
"Experienced project manager with proven track record..."

To:
"Experienced project manager with proven track record in stakeholder management and budget oversight..."

In Experience section, add bullet:
"Managed stakeholder communication across 3 departments and executive leadership team"
"Directed budget management for $2.5M project portfolio"

**2. Fix Formatting:**
- Move contact information from header to body of resume
- Make all skill section items same font size (currently 10pt and 11pt mixed)

**3. Strengthen Existing Keywords:**
Change "risk mitigation" to "risk management" for exact match

### Estimated New Match Score: 85%

Common ATS Failure Patterns

Pattern 1: Creative Formatting
❌ PROBLEM:
[Two-column layout with graphics]
[Skill bars and proficiency charts]
[Text in colored boxes]

✅ SOLUTION:
- Single column layout
- Text-only skills list
- Simple bullet points
Pattern 2: Unconventional Section Names
❌ PROBLEM:
"My Journey" (instead of Experience)
"What I Bring to the Table" (instead of Skills)
"Academic Pursuits" (instead of Education)

✅ SOLUTION:
Use standard headers ATS recognizes
Pattern 3: Missing Keywords
❌ PROBLEM:
Job requires: "Python, SQL, Data Visualization"
Resume says: "Programming, databases, making charts"

✅ SOLUTION:
Use exact terminology from job description
Pattern 4: Keyword Stuffing
❌ PROBLEM:
Skills: Python, Python programming, Python developer, Python expert, Python specialist, Advanced Python...

✅ SOLUTION:
Skills: Python, SQL, JavaScript, React, Node.js
(Then incorporate naturally in bullets)

Industry-Specific Considerations

Tech Resumes
  • Emphasize programming languages and frameworks
  • Include GitHub, portfolio links in Skills section (not header)
  • Certifications and courses matter highly
Business/Finance
  • Focus on software proficiency (Excel, SAP, Salesforce)
  • Certifications critical (CPA, CFA, PMP)
  • Industry keywords (P&L, ROI, KPI)
Healthcare
  • Licenses and certifications required
  • Specific systems (Epic, Cerner, MEDITECH)
  • Compliance keywords (HIPAA, Joint Commission)
Marketing
  • Platform expertise (HubSpot, Salesforce, Google Analytics)
  • Channel keywords (SEO, PPC, email marketing)
  • Metrics and results-driven language

Edge Cases & Special Situations

Career Changers
  • Focus on transferable skills
  • Use keywords from TARGET industry, not just current
  • May need two resume versions for ATS
Recent Graduates
  • Education section becomes priority for keywords
  • Include relevant coursework, projects
  • Internships count as experience - use those keywords
Executive Level
  • ATS still matters for senior roles
  • Focus on strategic keywords
  • Include board experience, P&L size, team size
Gaps in Employment
  • Use years only (not months) if it helps
  • Include freelance/consulting with keywords
  • Volunteer work can include relevant keywords

Implementation Checklist

When helping user optimize for ATS:

  1. ✅ Scan current resume for ATS compatibility issues
  2. ✅ Analyze job description for required keywords
  3. ✅ Calculate current match score
  4. ✅ Identify specific missing keywords
  5. ✅ Suggest exact placements for new keywords
  6. ✅ Flag formatting problems
  7. ✅ Provide before/after examples
  8. ✅ Re-score after suggested changes
  9. ✅ Verify file format and naming
  10. ✅ Test with ATS simulator if possible

Success Metrics

After optimization, the resume should:

  • Score 80%+ match for target job descriptions
  • Pass ATS parsing test (all sections recognized)
  • Have zero formatting errors
  • Include all critical keywords 2-4x each
  • Read naturally (not keyword-stuffed)
  • Be ready to submit immediately

© davila7, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in cli-tool/components/skills/career/resume-ats-optimizer of davila7/claude-code-templates.

Open the folder on GitHubat commit c0ca7da

Used in 3 other repositories

We found 4 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 3 other GitHub owners. This page covers the copy in davila7/claude-code-templates, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Resume Ats Optimizer next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

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Build Resume Portfolio Sitetao943/build-resume-portfolio-site195—~5.8kAutomated safety check: PassNone
Cyber Resume Reviewermubix/cyber-resume-reviewer-skill184—~2.9kAutomated safety check: PassMIT
Repo To Resume TailorSsabby1/repo-to-resume-tailor127—~1.8kAutomated safety check: PassMIT

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Categories

Questions about Resume Ats Optimizer

What does Resume Ats Optimizer do?

Optimize resumes for Applicant Tracking Systems, check ATS compatibility, and analyze keyword match. Resume Ats Optimizer is an agent skill from davila7/claude-code-templates. Optimize resumes for Applicant Tracking Systems, check ATS compatibility, and analyze keyword match.

When should I use Resume Ats Optimizer?

Resume Ats Optimizer fits situations like: the user mentions ATS; applicant tracking; keyword optimization; getting past resume screening software.

How do I install Resume Ats Optimizer in Claude Code?

Run `npx skills add davila7/claude-code-templates --skill resume-ats-optimizer -a claude-code`. Or copy the skill folder (cli-tool/components/skills/career/resume-ats-optimizer in davila7/claude-code-templates) into .claude/skills/resume-ats-optimizer in your project. Claude Code loads it when a task matches its description.

How do I install Resume Ats Optimizer in Codex?

Run `npx skills add davila7/claude-code-templates --skill resume-ats-optimizer -a codex`. Or copy the skill folder (cli-tool/components/skills/career/resume-ats-optimizer in davila7/claude-code-templates) into .agents/skills/resume-ats-optimizer in your project. Codex loads it when a task matches its description.

Can I use Resume Ats Optimizer in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add davila7/claude-code-templates --skill resume-ats-optimizer -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/resume-ats-optimizer, .gemini/skills/resume-ats-optimizer, .github/skills/resume-ats-optimizer and .opencode/skills/resume-ats-optimizer in your project.

What does Resume Ats Optimizer need to run?

SKILL.md names no scripts, command-line tools or credentials: Resume Ats Optimizer is instructions for the agent only. Our summary lists: Python 3; Node.js.

Does Resume Ats Optimizer access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Resume Ats Optimizer safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Resume Ats Optimizer use?

Resume Ats Optimizer is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Resume Ats Optimizer use?

About 2.3k tokens (SKILL.md is roughly 9.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Resume Ats Optimizer?

Skills that share tags, products or a category with Resume Ats Optimizer: Get Job (agentenatalie/get-job.skill, 632 stars), Resume Reviewer (weeelin98/ResumeDom, 173 stars), Build Resume Portfolio Site (tao943/build-resume-portfolio-site, 195 stars) and Cyber Resume Reviewer (mubix/cyber-resume-reviewer-skill, 184 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Resume Ats Optimizer?

davila7 (a GitHub user) maintains it in davila7/claude-code-templates, which has 32,512 GitHub stars. The repository holds 479 skills in this directory. The repository was last updated on October 10, 2026.

Source: davila7/claude-code-templates on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.