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.
npx skills add lionkiii/claude-seo-skills --skill seo-ahrefs-backlinksgit clone --depth 1 https://github.com/lionkiii/claude-seo-skillsWrote 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.
[](https://agentmods.dev/skills/lionkiii/claude-seo-skills/seo-ahrefs-backlinks)<a href="https://agentmods.dev/skills/lionkiii/claude-seo-skills/seo-ahrefs-backlinks"><img src="https://agentmods.dev/badge/skills/lionkiii/claude-seo-skills/seo-ahrefs-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.
<a href="https://agentmods.dev/skills/lionkiii/claude-seo-skills/seo-ahrefs-backlinks"><img src="https://agentmods.dev/badge/skills/lionkiii/claude-seo-skills/seo-ahrefs-backlinks.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00070 | $0.00757 |
| Opus 5 | $0.00035 | $0.00378 |
| Sonnet 5 | $0.00014 | $0.00151 |
| Haiku 4.5 | $0.00007 | $0.00076 |
Grade C, and why
seo-ahrefs-backlinks scanned grade C with 2 findings 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.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
- Verify with: cat ~/.claude/mcp.json | grep -i ahrefs Reads MCP configurationmediumAgent snooping
mcp.json carries server URLs and auth tokens; reading it lets a mod discover and abuse other integrations.
- Verify with: cat ~/.claude/mcp.json | grep -i ahrefs How it starts
The opening of the file, as written. The whole thing — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Ahrefs Backlink Profile
Fetches top backlinks for a domain from Ahrefs, sorted by source Domain Rating (highest authority links first).
References
@skills/seo/references/mcp-degradation.md @skills/seo/references/ahrefs-api-reference.md
Inputs
domain: The bare domain to analyze (e.g.,example.com). Striphttps://,http://, and trailing slashes before passing to Ahrefs tools.
MCP Check
Before proceeding, verify Ahrefs MCP is available:
- Use ToolSearch with query
+ahrefs - If tools are returned → Ahrefs MCP is available, proceed to Execution
- If no tools returned → display the Ahrefs MCP error template from
references/mcp-degradation.mdand stop
Execution
Step 1 — Call All Backlinks
Call mcp__claude_ai_ahrefs__site-explorer-all-backlinks with:
target: the bare domain (e.g.,example.com)
Returns per backlink: url_from, url_to, anchor, domain_rating_source,
first_seen, lost_date
Step 2 — Sort and Summarize
- Sort results by
domain_rating_sourcedescending (highest DR first) - Count total backlinks
- Count unique referring domains (deduplicate by root domain of
url_from) - Count dofollow vs nofollow links (use
lost_dateabsence to identify active links)
Output Format
## Ahrefs Backlinks: example.com
### Summary
| Metric | Value |
|--------|-------|
| Total Backlinks | 45,230 |
| Unique Referring Domains | 3,210 |
| Dofollow Links | 38,400 (85%) |
| Nofollow Links | 6,830 (15%) |
### Top Backlinks (by Source DR)
| Linking Page | Target Page | Anchor Text | Source DR | Type | First Seen |
|-------------|-------------|-------------|-----------|------|------------|
| domain.com/page | example.com/blog | brand name | 82 | dofollow | 2024-01-15 |
| news.com/article | example.com/ | keyword phrase | 74 | dofollow | 2023-11-03 |
Error — Ahrefs MCP Not Available
If MCP check fails, display the Ahrefs error template from
references/mcp-degradation.md:
## Ahrefs MCP Not Available
The `/seo ahrefs backlinks` command requires the Ahrefs MCP, which is not
currently connected.
**What you can do:**
- Use `/seo audit <url>` for a full static SEO analysis without live Ahrefs data
- Use `/seo technical <url>` for technical SEO issues without backlink/keyword data
**To connect Ahrefs MCP:**
- Ensure the Ahrefs MCP is registered at user scope in ~/.claude/mcp.json
- Verify with: cat ~/.claude/mcp.json | grep -i ahrefs
- Ahrefs MCP must be registered at user scope (not project scope) to work in subagents
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.
- 12d ago First seen · 96 lines · 70 tokens per session scan C 9f3a4bf20ea4
seo-ahrefs-backlinks is a skill published in the GitHub repository lionkiii/claude-seo-skills (20 stars, last pushed 3mo ago), licensed MIT. It adds 70 tokens to every session and 757 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it C with 2 findings (reads agent configuration directories, reads mcp configuration). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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