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Spook SEO
com.tryspook/spook in the official MCP registry.
Endpoint https://www.tryspook.com/api/mcp.
The registry describes it as: Free SEO tools + the Spook SEO autopilot: analyze domains, generate and publish SEO articles.
We read its 59 tools on 2026-10-26. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
serp-preview meta-tag-generator schema-generator robots-txt-generator word-counter character-counter readability-checker hreflang-generator canonical-tag-generator meta-robots-generator sitemap-generator robots-txt-tester keyword-density-checker headline-analyzer slug-generator utm-builder ctr-calculator conversion-rate-calculator roas-calculator cpm-calculator cpc-calculator ai-crawler-checker aeo-checker llms-txt-generator ai-prompt-generator analyze_domain list_sites get_site list_opportunities list_articles generate_article get_article get_site_metrics create_site update_publishing create_checkout publish_article set_autopilot blog-keyword-generator content-brief-generator blog-outline-generator content-idea-generator seo-title-generator meta-description-generator headline-generator subject-line-generator cta-generator ad-copy-generator social-post-generator article-summarizer article-rewriter grammar-checker faq-generator product-description-generator business-name-generator youtube-title-generator paragraph-generator content-coverage-checker hashtag-generator
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/com-tryspook-spook)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.
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