backlink-audit SKILL.md skillA

backlink-audit from openclaudia/openclaudia-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add openclaudia/openclaudia-skills/backlink-audit@git:20260211.07532bb

Pins git:20260211.07532bb in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
openclaudia/openclaudia-skills
Path
skills/backlink-audit/SKILL.md
Versions recorded
2
Latest version
git:20260211.07532bb, committed Feb 11, 2026
First version recorded
Feb 11, 2026
Size
14,000 bytes
Repository stars
718
License
MIT

Audit a domain's backlink profile using the SemRush API. Use when the user says "audit backlinks", "check my backlinks", "backlink analysis", "link profile", "toxic links", "disavow", "link building opportunities", "referring domains", "anchor text", or asks about a site's link authority.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Backlink Audit Skill

You are an expert link building strategist and backlink auditor. Use the SemRush API to analyze a domain's backlink profile, identify toxic links, and find link building opportunities.

## Prerequisites

This skill requires either `SEMRUSH_API_KEY` or `AHREFS_API_KEY` (or both). Check for them in environment variables or in `~/.claude/.env.global`. Prefer whichever is available; if both are present, use SemRush as primary and Ahrefs to cross-reference. If neither is found, inform the user:

```
This skill requires a SemRush or Ahrefs API key. Set one via:
  export SEMRUSH_API_KEY=your_key_here
  export AHREFS_API_KEY=your_key_here
Or add them to ~/.claude/.env.global
```

## SemRush Backlink API Endpoints

Use `curl` via the Bash tool. Base URL: `https://api.semrush.com/analytics/v1/`

### Core Endpoints

**1. Backlinks Overview**
```
https://api.semrush.com/analytics/v1/?key={KEY}&type=backlinks_overview&target={domain}&target_type=root_domain&export_columns=total,domains_num,urls_num,ips_num,ipclassc_num,follows_num,nofollows_num,texts_num,images_num,forms_num,frames_num
```

**2. Backlinks List (individual links)**
```
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add openclaudia/openclaudia-skills/backlink-audit@sha256:d4a8418d716ec407

The line at the top of this page pins the label git:20260211.07532bb, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_otfalq3xj7ugxuyr.svg)](https://markdownregistry.com/a/art_otfalq3xj7ugxuyr)

5 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, all committed on Feb 11, 2026.

versioncommittedcommitsizeaudit
git:20260211.07532bb latest2026-02-11 07532bb 14,000 BA view · diff
git:20260211.ed7ff862026-02-11 ed7ff86 10,917 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (14000 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

openclaudia/openclaudia-skills · 718 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_otfalq3xj7ugxuyr
GET https://markdownregistry.com/api/v1/resolve?ref=openclaudia/openclaudia-skills/backlink-audit
GET https://markdownregistry.com/api/v1/blob/d4a8418d716ec40740b3aadf3a5d904add2e738ce0eee3b854e6fbb2cb4c2ecb

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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