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Agent skill

Backlink Analysis

by kostja94 in kostja94/marketing-skills

When the user wants to analyze backlinks, audit link profile, or identify link issues.

MITAuto-check passedMarketing & SEO

Install Backlink Analysis

skills CLI
$ npx skills add kostja94/marketing-skills --skill backlink-analysis -a claude-code

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

GitHub CLI
$ gh skill install kostja94/marketing-skills backlink-analysis --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/kostja94/marketing-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/seo/off-page/backlink-analysis .claude/skills/backlink-analysis && 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
backlink-analysis
GitHub stars
1k
Token cost
~792 tokens
SKILL.md length
325 words
Files
1
Skills in repo
102
Repo updated
First seen
Licence
MIT

At a glance

When the user wants to analyze backlinks, audit link profile, or identify link issues.

  • Works in 3 steps: Quality Assessment → Risk Signals → Competitive Comparison
  • Wants to analyze backlinks
  • SKILL.md covers Scope (Off-Page SEO), Initial Assessment, Key Metrics and Analysis Framework, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Backlink Analysis is an agent skill from kostja94/marketing-skills. When the user wants to analyze backlinks, audit link profile, or identify link issues. Also use when the user mentions "backlink analysis," "backlink audit," "referring domains," "toxic links," "link profile," or "disavow file." For acquisition, use link-building.

Its SKILL.md is about 790 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 Marketing & SEO, covering Link building. The repository describes itself as: Agent Skills for Marketing — SEO, Social, Influencer & More. 160+ open-source skills for SEO, content, 40+ page types, paid ads, channels, and strategies. Add project context… The licence is MIT.

When your agent uses it

  • Wants to analyze backlinks
  • Audit link profile
  • Identify link issues
  • The user mentions backlink analysis

Example prompts

  • “backlink analysis,”
  • “backlink audit,”
  • “referring domains,”
  • “/backlink-analysis”

Workflow steps

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

  1. Quality Assessment
  2. Risk Signals
  3. Competitive Comparison

What it can do on your machine

Read from SKILL.md and the folder at commit 8dd89c5. 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.

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

  • Network

    Links to these hosts (documentation or services it may open):

    • developers.google.com

    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

Backlink Analysis loads about 792 tokens when it runs. Until then it costs about 71 tokens; SKILL.md has 325 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~71
When it runs · the whole SKILL.md, loaded when a task matches
~792

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 kostja94/marketing-skills at commit 8dd89c5, republished under its MIT licence (© kostja94). 325 words, ~792 tokens.

Download SKILL.mdSave it as .claude/skills/backlink-analysis/SKILL.md (or your agent's skills folder).
name
backlink-analysis
description
When the user wants to analyze backlinks, audit link profile, or identify link issues. Also use when the user mentions "backlink analysis," "backlink audit," "referring domains," "toxic links," "link profile," or "disavow file." For acquisition, use link-building.
metadata.version
1.0.1

SEO Off-Page: Backlink Analysis

Guides backlink profile analysis: assessing quality, identifying issues, and planning improvements.

When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.

Scope (Off-Page SEO)

  • Backlink audit: Analyze profile; toxic links; competitive analysis
  • Authority Score: Monitor domain/page authority; referring domains

Initial Assessment

Identify:

  1. Domain: Site to analyze
  2. Tool access: SEO tools (e.g. Ahrefs, Semrush) or free alternatives
  3. Goals: Audit for issues, competitive analysis, or growth planning

Key Metrics

MetricMeaning
Referring domainsNumber of unique sites linking
BacklinksTotal number of links
Domain Rating (DR) / Domain Authority (DA)Domain strength score
Anchor text distributionMix of branded, generic, exact match
Link velocityRate of new links over time

Analysis Framework

1. Quality Assessment
  • Relevance: Do links come from related niches?
  • Authority: Are referring domains trusted?
  • Context: Editorial vs. footer/sidebar links?
  • Anchor text: Natural or over-optimized?
2. Risk Signals
SignalAction
Toxic linksConsider disavow (use cautiously)
Spammy anchorsDiversify anchor text naturally
Link schemesRemove or disavow
Sudden spikeInvestigate; may trigger penalty
3. Competitive Comparison
  • Compare backlink profile to competitors
  • Identify link gaps (sites linking to competitors but not you)
  • Find link opportunities from competitor backlinks
  • See competitor-research for full methodology

Disavow File

  • Use only when necessary (manual penalty, toxic links)
  • Submit via Google Search Console (see google-search-console for Links report and disavow submission)
  • Caution: Over-disavowing can harm; use sparingly
  • References: Google Disavow

Output Format

  • Profile summary: Key metrics, trends
  • Quality assessment: Strengths and weaknesses
  • Risk signals: Toxic or suspicious links
  • Recommendations: Link building priorities, disavow if needed
  • Competitive insights: Link gap opportunities
  • google-search-console: Links report, disavow file submission
  • seo-monitoring: Backlink metrics in full SEO monitoring; quality vs quantity, referral ROI
  • link-building: Use analysis to plan link building
  • competitor-research: Competitor backlink analysis; link gap methodology

© kostja94, 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 skills/seo/off-page/backlink-analysis of kostja94/marketing-skills.

Open the folder on GitHubat commit 8dd89c5

Compare with similar skills

Backlink Analysis 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.

Backlink Analysis compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Backlink Analysis this skillkostja94/marketing-skills1k—~792Automated safety check: PassMIT
FLOW SEO FrameworkAgriciDaniel/claude-seo18k2 repos~1.4kAutomated safety check: PassMIT
SEO DataforseoAgriciDaniel/codex-seo7872 repos~4.6kAutomated safety check: PassMIT
Backlink CheckRyze-AI-Adgent/open-seo-mcp-skills4.4k—~515Automated safety check: PassMIT
Beyondseobeyondtahir/beyondseo155—~4.3kAutomated safety check: PassMIT
Webobsidianxnohat/webobsidian268—~2.1kAutomated safety check: PassMIT

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Categories

Questions about Backlink Analysis

What does Backlink Analysis do?

When the user wants to analyze backlinks, audit link profile, or identify link issues. Backlink Analysis is an agent skill from kostja94/marketing-skills. When the user wants to analyze backlinks, audit link profile, or identify link issues.

When should I use Backlink Analysis?

Backlink Analysis fits situations like: wants to analyze backlinks; audit link profile; identify link issues; the user mentions backlink analysis.

How do I install Backlink Analysis in Claude Code?

Run `npx skills add kostja94/marketing-skills --skill backlink-analysis -a claude-code`. Or copy the skill folder (skills/seo/off-page/backlink-analysis in kostja94/marketing-skills) into .claude/skills/backlink-analysis in your project. Claude Code loads it when a task matches its description.

How do I install Backlink Analysis in Codex?

Run `npx skills add kostja94/marketing-skills --skill backlink-analysis -a codex`. Or copy the skill folder (skills/seo/off-page/backlink-analysis in kostja94/marketing-skills) into .agents/skills/backlink-analysis in your project. Codex loads it when a task matches its description.

Can I use Backlink Analysis 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 kostja94/marketing-skills --skill backlink-analysis -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/backlink-analysis, .gemini/skills/backlink-analysis, .github/skills/backlink-analysis and .opencode/skills/backlink-analysis in your project.

What does Backlink Analysis need to run?

SKILL.md names no scripts, command-line tools or credentials: Backlink Analysis is instructions for the agent only.

Does Backlink Analysis access the network?

SKILL.md names 1 domain. As links in the text: developers.google.com. This is read from the text; nothing was executed.

Is Backlink Analysis 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 Backlink Analysis use?

Backlink Analysis 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 Backlink Analysis use?

About 792 tokens (SKILL.md is roughly 3.2k 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 Backlink Analysis?

Skills that share tags, products or a category with Backlink Analysis: FLOW SEO Framework (AgriciDaniel/claude-seo, 18k stars), SEO Dataforseo (AgriciDaniel/codex-seo, 787 stars), Backlink Check (Ryze-AI-Adgent/open-seo-mcp-skills, 4.4k stars) and Beyondseo (beyondtahir/beyondseo, 155 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Backlink Analysis?

kostja94 (a GitHub user) maintains it in kostja94/marketing-skills, which has 1,016 GitHub stars. The repository holds 102 skills in this directory. The repository was last updated on October 6, 2026.

Source: kostja94/marketing-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.