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SEO Keyword Gap Audit · rampstackco | DecimalAI

marketingby rampstackco

SEO Keyword Gap Audit

rampstackco/seo-keyword-gap-audit

Source rampstackco/claude-skills ↗License MIT

Find keywords competitors rank for that the target property does not, and prioritize them by opportunity. Uses Ahrefs MCP for keyword and competitor data.

SkillScore96Maintained

Automatic

Marketing & Content pack

Last verified 8/20/2026

What it changes

Passed 23 of 24 test cases with the skill, and 10 of 24 without it.

Without skill42%

With skill96%

Checks it passed that the model alone missed

Allocates a 20% weight to Intent Match.
Assigns a 15% weight to Position Potential.
Categorizes the keyword as Unique Territory.

and 12 more in the full report

13 fixed10 passed either way1 still failing0 broke

Pass-rate lift: +54 pp
Tokens: +43%
Agent turns: 0%
Response time: -31%

Model gemini-3.6-flashMeasured 8/20/2026v223 of 24 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/rampstackco-seo-keyword-gap-audit/SKILL.md https://app.decimal.ai/s/rampstackco-seo-keyword-gap-audit/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add rampstackco-seo-keyword-gap-audit, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/rampstackco-seo-keyword-gap-audit/ and pins it in .decimal/skills.lock

decimalai skills add rampstackco-seo-keyword-gap-audit

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/rampstackco-seo-keyword-gap-audit/SKILL.md https://app.decimal.ai/s/rampstackco-seo-keyword-gap-audit/SKILL.md

Raw file: /s/rampstackco-seo-keyword-gap-audit/SKILL.md ↗ · machine-readable summary at /s/rampstackco-seo-keyword-gap-audit.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 13 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 13

Prompt

For the query 'custom payroll compliance API', target domain PayrollAPI.com holds position #4 while none of the five specified competitor domains rank within the top 100 search results. Which cell of the gap matrix applies to this term?

What was checked, without and with the skill
Checked	Without skill	With skill
Categorizes the keyword as Unique Territory.	Missed	Passed

case-10 · gemini-3.6-flash · 8/20/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md159 lines2 files

SEO Keyword Gap Audit

Find keyword opportunities by comparing the target property's organic footprint against a competitor set, using Ahrefs MCP data. Stack-agnostic. Produces a prioritized list of keywords to target with new or improved content.

When to use

Planning content investment for the next quarter
Identifying quick-win keywords for fast organic gains
Scoping market entry into a new vertical
Refreshing a stale content strategy
Diagnosing why a competitor is gaining organic share
Pre-acquisition due diligence on growth ceiling

When NOT to use

Pure keyword discovery without a competitor frame (use seo-keyword)
Single-page optimization (use seo-onpage)
Content audit on existing pages (use seo-content-audit)
Topic and pillar planning (use content-strategy)

Required inputs

Target property
Competitor set (3-5 properties with overlapping intent and audience)
Target market and language
Business priorities (which segments matter most)
Existing content inventory (URLs and primary topics)
Confirmation Ahrefs MCP is connected

The framework: the gap matrix

A keyword can fall into one of four cells based on whether the target ranks and whether competitors rank.

| | Target ranks | Target does not rank |

Track record

Benchmark

23 / 24

test cases passed, vs 10 / 24 without

Adoption

Users: 1
Times used: 22

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/10/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

rampstackco / claude-skills

skills/seo-keyword-gap-audit/SKILL.md

View on GitHub ↗

License MITImported 9/17/2026Version v2Bundled 1 file

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

rampstackco/seo-content-gap-auditAudit content gaps and decay using Ahrefs MCP data: missing topics, thin coverage, outdated content, and decaying pages. Use this skill when planning a content roadmap, refreshing a stale catalog, building topical authority, or identifying which existing pages need update versus replacement. Triggers on content gap, content audit, content refresh, content roadmap, decaying content, content decay, topical authority, what topics should we cover, where is competitor content stronger. Also triggers Close match+9 pp pass-rate lift

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

SEO Keyword Gap Audit

When to use

When NOT to use

Required inputs

The framework: the gap matrix

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills