Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add lionkiii/claude-seo-skills/plugin install 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-report)<a href="https://agentmods.dev/skills/lionkiii/claude-seo-skills/seo-report"><img src="https://agentmods.dev/badge/skills/lionkiii/claude-seo-skills/seo-report/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-report"><img src="https://agentmods.dev/badge/skills/lionkiii/claude-seo-skills/seo-report.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 | $0.00085 | $0.02580 |
| Opus 5 | $0.00043 | $0.01290 |
| Sonnet 5 | $0.00017 | $0.00516 |
| Haiku 4.5 | $0.00009 | $0.00258 |
Grade A, and why
seo-report scanned grade A 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 directorieslowAgent 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 Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.
Reads MCP configurationlowAgent 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 Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.
How it starts
The opening of the file, as written. The whole thing — 284 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SEO Report Generator — File-Persisted Reports
Generates complete, AI-analyzed SEO reports and saves them to disk as markdown files. Supports four report types: monthly, weekly, audit, and competitor. This is the first sub-skill in the project that uses the Write tool for file persistence.
References
@skills/seo/references/mcp-degradation.md @skills/seo/references/ahrefs-api-reference.md @skills/seo/references/gsc-api-reference.md
Inputs
type: Report type — one of:monthly,weekly,audit,competitor(required)domain: The domain to report on, bare domain e.g.example.com(required). Striphttps://,http://, and trailing slashes.site(optional): GSC property URL for including Google Search Console data. Format:https://example.com/orsc-domain:example.comcompetitor(optional, required forcompetitortype): Competitor domain to compare against, e.g.competitor.comoutput_dir(optional): Directory path to save the report file. Default: current working directory (pwd).
MCP Check
Before proceeding, check MCP availability:
-
Ahrefs (required for all report types): Use ToolSearch with query
+ahrefs- If tools returned → Ahrefs available, proceed
- If no tools returned → display Ahrefs error template from mcp-degradation.md and stop
-
GSC (optional — only if
siteparameter is provided): Use ToolSearch with query+google-search-console- If tools returned → GSC available, include GSC data in report
- If no tools returned → continue with Ahrefs-only, note missing GSC data in report
Execution
Step 0 — Generate Filename and Resolve Output Path
Use Bash to generate the absolute file path:
echo "$(pwd)/seo-report-$(date +%Y-%m-%d)-{domain}-{type}.md"
If output_dir is provided, replace $(pwd) with the provided directory path.
Store this absolute path — it is used in Step 4 (Write) and Step 5 (confirmation).
Filename convention: seo-report-YYYY-MM-DD-domain-type.md
Example: seo-report-2026-03-02-example.com-monthly.md
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 · 284 lines · 85 tokens per session scan A 7cc9b2a6a7d4
seo-report is a skill published in the GitHub repository lionkiii/claude-seo-skills (20 stars, last pushed 3mo ago), licensed MIT. It adds 85 tokens to every session and 2,580 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A 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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