30x-seo-backlinks

30x-seo-backlinks is a skill for Claude Code from norahe0304-art/30x-seo. It costs 79 tokens per session (2,129 once invoked), scanned A, original, MIT.

A backlink analysis tool for examining links from other websites to a domain, using the DataForSEO service.

In plain words
What is it for?
It helps review a domain’s backlink profile, compare domains, find missing links versus competitors, examine linking phrases, track new and lost links, and identify likely competitors.
Why use it?
It gathers link information in one place so you can see which sites link to you, spot potentially harmful links, and find opportunities your competitors have.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions CLAUDE.md.

Good fit It helps review a domain’s backlink profile, compare domains, find missing links versus competitors, examine linking phrases, track new and lost links, and identify likely competitors.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/norahe0304-art/30x-seo/30x-seo-backlinks
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add norahe0304-art/30x-seo --skill 30x-seo-backlinks
Clone the repo
git clone --depth 1 https://github.com/norahe0304-art/30x-seo

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for 30x-seo-backlinks

README.md
[![agentmods](https://agentmods.dev/badge/skills/norahe0304-art/30x-seo/30x-seo-backlinks/github.svg)](https://agentmods.dev/skills/norahe0304-art/30x-seo/30x-seo-backlinks)
Your own site
<a href="https://agentmods.dev/skills/norahe0304-art/30x-seo/30x-seo-backlinks"><img src="https://agentmods.dev/badge/skills/norahe0304-art/30x-seo/30x-seo-backlinks/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for 30x-seo-backlinks

Your own site · 80×15
<a href="https://agentmods.dev/skills/norahe0304-art/30x-seo/30x-seo-backlinks"><img src="https://agentmods.dev/badge/skills/norahe0304-art/30x-seo/30x-seo-backlinks.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 79 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,129 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00079 $0.02129
Opus 5 $0.00039 $0.01064
Sonnet 5 $0.00016 $0.00426
Haiku 4.5 $0.00008 $0.00213

Measured 12d ago against content hash 044dcd13ce38, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

30x-seo-backlinks scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

Comprehensive backlink analysis and link building intelligence using DataForSEO API via direct curl calls.
skills/30x-seo-backlinks/SKILL.md · 286 lines

How it starts

The opening of the file, as written. The whole thing — 286 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Comprehensive backlink analysis and link building intelligence using DataForSEO API via direct curl calls.

API Configuration

Credentials stored in ~/.config/dataforseo/auth (Base64 encoded).

# Read auth token
AUTH=$(cat ~/.config/dataforseo/auth)

Quick Reference

Command What it does
/seo backlinks profile <domain> Full backlink profile analysis
/seo backlinks compare <domain1> <domain2> Compare two domains' backlink profiles
/seo backlinks gap <your-domain> <competitor1> [competitor2] Find link gap opportunities
/seo backlinks toxic <domain> Identify potentially toxic/spammy links
/seo backlinks anchors <domain> Analyze anchor text distribution
/seo backlinks trend <domain> New/lost backlinks over time
/seo backlinks competitors <domain> Find competitors by backlink overlap

API Endpoints

Backlink Summary

curl -s -X POST "https://api.dataforseo.com/v3/backlinks/summary/live" \
  -H "Authorization: Basic $(cat ~/.config/dataforseo/auth)" \
  -H "Content-Type: application/json" \
  -d '[{"target": "example.com"}]'

Get Backlinks

curl -s -X POST "https://api.dataforseo.com/v3/backlinks/backlinks/live" \
  -H "Authorization: Basic $(cat ~/.config/dataforseo/auth)" \
  -H "Content-Type: application/json" \
  -d '[{"target": "example.com", "limit": 100, "order_by": ["rank,desc"]}]'

Anchor Text Analysis

curl -s -X POST "https://api.dataforseo.com/v3/backlinks/anchors/live" \
  -H "Authorization: Basic $(cat ~/.config/dataforseo/auth)" \
  -H "Content-Type: application/json" \
  -d '[{"target": "example.com", "limit": 100}]'

Bulk Backlinks (Multiple Domains)

curl -s -X POST "https://api.dataforseo.com/v3/backlinks/bulk_backlinks/live" \
  -H "Authorization: Basic $(cat ~/.config/dataforseo/auth)" \
  -H "Content-Type: application/json" \
  -d '[{"targets": ["domain1.com", "domain2.com", "domain3.com"]}]'

Read the full file on GitHub · 286 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 286 lines · 79 tokens per session scan A 044dcd13ce38

Subscribe to this mod's changes

30x-seo-backlinks is a skill published in the GitHub repository norahe0304-art/30x-seo (51 stars, last pushed 6mo ago), licensed MIT. It adds 79 tokens to every session and 2,129 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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