Free SEO tools + the Spook SEO autopilot: analyze domains, generate and publish SEO articles.
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Read from a real MCP initialize → tools/list handshake against the declared endpoint. No tool was ever invoked — tools/list is the read-only introspection call the protocol defines for this. It reflects what the server advertised at that moment; a hosted endpoint is not pinned to any version and can change without notice.
https://www.tryspook.com/api/mcp59 tools · 215msserp-previewPreview how a page's title and meta description render in Google search, with pixel-width truncation for desktop and mobile.Preview how a page's title and meta description render in Google search, with pixel-width truncation for desktop and mobile.
| Parameter | Type | Description |
|---|---|---|
| title* | string | The page title tag. |
| url | string | The page URL. |
| description | string | The meta description. |
| device | string | — |
meta-tag-generatorGenerate a complete set of HTML meta tags: title, description, canonical, Open Graph, and Twitter Cards.Generate a complete set of HTML meta tags: title, description, canonical, Open Graph, and Twitter Cards.
| Parameter | Type | Description |
|---|---|---|
| title | string | — |
| description | string | — |
| url | string | Canonical URL. |
| image | string | Social share image URL. |
| siteName | string | — |
| ogType | string | — |
| string | Twitter handle. |
schema-generatorBuild valid JSON-LD structured data (FAQ, Article, Organization, or Product) for rich results.Build valid JSON-LD structured data (FAQ, Article, Organization, or Product) for rich results.
| Parameter | Type | Description |
|---|---|---|
| type* | string | — |
| faqs | array | — |
| article | object | — |
| organization | object | — |
| product | object | — |
robots-txt-generatorBuild a valid robots.txt: allow or block crawlers, disallow paths, block specific bots, and link a sitemap.Build a valid robots.txt: allow or block crawlers, disallow paths, block specific bots, and link a sitemap.
| Parameter | Type | Description |
|---|---|---|
| mode | string | — |
| disallow | array | — |
| sitemap | string | — |
| crawlDelay | number | — |
| blockedBots | array | — |
word-counterCount words, characters, sentences, and paragraphs in text, plus reading and speaking time.Count words, characters, sentences, and paragraphs in text, plus reading and speaking time.
| Parameter | Type | Description |
|---|---|---|
| text* | string | — |
character-counterCount characters (with and without spaces), words, sentences, and paragraphs in text.Count characters (with and without spaces), words, sentences, and paragraphs in text.
| Parameter | Type | Description |
|---|---|---|
| text* | string | — |
readability-checkerScore text readability with Flesch Reading Ease and Flesch-Kincaid Grade, plus a reading level.Score text readability with Flesch Reading Ease and Flesch-Kincaid Grade, plus a reading level.
| Parameter | Type | Description |
|---|---|---|
| text* | string | — |
hreflang-generatorGenerate hreflang link tags for international/multilingual pages, plus an optional x-default.Generate hreflang link tags for international/multilingual pages, plus an optional x-default.
| Parameter | Type | Description |
|---|---|---|
| rows* | array | — |
| xDefault | string | — |
canonical-tag-generatorGenerate a rel=canonical link tag for a URL.Generate a rel=canonical link tag for a URL.
| Parameter | Type | Description |
|---|---|---|
| url* | string | — |
meta-robots-generatorBuild a meta robots tag (and X-Robots-Tag header) from index/follow and snippet directives.Build a meta robots tag (and X-Robots-Tag header) from index/follow and snippet directives.
| Parameter | Type | Description |
|---|---|---|
| index | boolean | — |
| follow | boolean | — |
| noarchive | boolean | — |
| nosnippet | boolean | — |
| noimageindex | boolean | — |
| maxSnippet | string | — |
| maxImagePreview | string | — |
| maxVideoPreview | string | — |
sitemap-generatorBuild an XML sitemap from a list of URLs, with an optional lastmod date.Build an XML sitemap from a list of URLs, with an optional lastmod date.
| Parameter | Type | Description |
|---|---|---|
| urls* | array | — |
| lastmod | string | — |
robots-txt-testerTest whether a robots.txt allows or blocks a given URL path for a given user-agent.Test whether a robots.txt allows or blocks a given URL path for a given user-agent.
| Parameter | Type | Description |
|---|---|---|
| robotsTxt* | string | — |
| url* | string | — |
| userAgent | string | — |
keyword-density-checkerAnalyze text for the most frequent words and phrases with their density, to spot keyword stuffing or thin coverage.Analyze text for the most frequent words and phrases with their density, to spot keyword stuffing or thin coverage.
| Parameter | Type | Description |
|---|---|---|
| text* | string | — |
| n | integer | Phrase length (n-gram). |
| removeStopwords | boolean | — |
| limit | integer | — |
headline-analyzerScore a headline (0-100) on length, word balance, power/emotional words, numbers, and brackets.Score a headline (0-100) on length, word balance, power/emotional words, numbers, and brackets.
| Parameter | Type | Description |
|---|---|---|
| headline* | string | — |
slug-generatorTurn a title into a clean, SEO-friendly URL slug: lowercase, hyphenated, accent-safe, optional stopword removal.Turn a title into a clean, SEO-friendly URL slug: lowercase, hyphenated, accent-safe, optional stopword removal.
| Parameter | Type | Description |
|---|---|---|
| text* | string | — |
| separator | string | — |
| removeStopwords | boolean | — |
utm-builderAppend UTM tracking parameters (source, medium, campaign, term, content) to a destination URL.Append UTM tracking parameters (source, medium, campaign, term, content) to a destination URL.
| Parameter | Type | Description |
|---|---|---|
| url* | string | — |
| source* | string | — |
| medium* | string | — |
| campaign* | string | — |
| term | string | — |
| content | string | — |
ctr-calculatorCalculate Click-through rate.Calculate Click-through rate.
| Parameter | Type | Description |
|---|---|---|
| clicks* | number | Clicks |
| impressions* | number | Impressions |
conversion-rate-calculatorCalculate Conversion rate.Calculate Conversion rate.
| Parameter | Type | Description |
|---|---|---|
| conversions* | number | Conversions |
| visitors* | number | Visitors |
roas-calculatorCalculate ROAS, ROAS (percentage).Calculate ROAS, ROAS (percentage).
| Parameter | Type | Description |
|---|---|---|
| revenue* | number | Revenue from ads |
| adSpend* | number | Ad spend |
cpm-calculatorCalculate Cost per 1,000 impressions (CPM).Calculate Cost per 1,000 impressions (CPM).
| Parameter | Type | Description |
|---|---|---|
| cost* | number | Total cost |
| impressions* | number | Impressions |
cpc-calculatorCalculate Cost per click (CPC).Calculate Cost per click (CPC).
| Parameter | Type | Description |
|---|---|---|
| cost* | number | Total cost |
| clicks* | number | Clicks |
ai-crawler-checkerCheck a robots.txt to see which AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, ...) it currently allows or blocks.Check a robots.txt to see which AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, ...) it currently allows or blocks.
| Parameter | Type | Description |
|---|---|---|
| robotsTxt* | string | The contents of a robots.txt file. |
aeo-checkerScore content (0-100) for how easily AI answer engines (ChatGPT, Perplexity, AI Overviews) can quote it, with specific fixes.Score content (0-100) for how easily AI answer engines (ChatGPT, Perplexity, AI Overviews) can quote it, with specific fixes.
| Parameter | Type | Description |
|---|---|---|
| text* | string | — |
llms-txt-generatorGenerate an llms.txt file from a site name, one-line summary, optional details, and sections of links.Generate an llms.txt file from a site name, one-line summary, optional details, and sections of links.
| Parameter | Type | Description |
|---|---|---|
| siteName* | string | — |
| summary | string | — |
| details | string | — |
| sections | array | — |
ai-prompt-generatorGenerate prompts to test whether ChatGPT/Perplexity/Gemini/Claude recommend a brand, and where it's invisible.Generate prompts to test whether ChatGPT/Perplexity/Gemini/Claude recommend a brand, and where it's invisible.
| Parameter | Type | Description |
|---|---|---|
| brand* | string | — |
| category* | string | What the brand does / its category. |
| competitors | array | Competitor names (array, or a comma-separated string). |
| audience | string | — |
analyze_domainFree, no-signup SEO snapshot for any domain: the queries it already ranks on page 1-2 for (its quick-win opportunities), with search volume and estimated traffic. Great first look before signing up.Free, no-signup SEO snapshot for any domain: the queries it already ranks on page 1-2 for (its quick-win opportunities), with search volume and estimated traffic. Great first look before signing up.
| Parameter | Type | Description |
|---|---|---|
| domain* | string | A domain, e.g. example.com |
list_sitesList the Spook sites on the account this API key belongs to, with each site's id, domain, autopilot state, and publishing setup. (requires an agent API key)List the Spook sites on the account this API key belongs to, with each site's id, domain, autopilot state, and publishing setup. (requires an agent API key)
No input schema was published for this tool.
get_siteGet one site's details and status by its id. (requires an agent API key)Get one site's details and status by its id. (requires an agent API key)
| Parameter | Type | Description |
|---|---|---|
| siteId* | string | — |
list_opportunitiesThe winnable search queries Spook has found for a site (scored, ranked). No cost. Pass questionsOnly to get only question-shaped queries. (requires an agent API key)The winnable search queries Spook has found for a site (scored, ranked). No cost. Pass questionsOnly to get only question-shaped queries. (requires an agent API key)
| Parameter | Type | Description |
|---|---|---|
| siteId* | string | — |
| questionsOnly | boolean | — |
| limit | integer | — |
list_articlesRecent articles for a site with their status (draft/review/published) and generation status. (requires an agent API key)Recent articles for a site with their status (draft/review/published) and generation status. (requires an agent API key)
| Parameter | Type | Description |
|---|---|---|
| siteId* | string | — |
| limit | integer | — |
generate_articleGenerate a new SEO article draft for a site targeting a search query. Returns an articleId immediately; generation runs in the background - poll get_article/list_articles, or pass callbackUrl to be notified. Idempotent per query (a repeat returns the existing article). Requires an active subscripti…Generate a new SEO article draft for a site targeting a search query. Returns an articleId immediately; generation runs in the background - poll get_article/list_articles, or pass callbackUrl to be notified. Idempotent per query (a repeat returns the existing article). Requires an active subscripti…
| Parameter | Type | Description |
|---|---|---|
| siteId* | string | — |
| query* | string | The search query the article should target. |
| callbackUrl | string | Optional https URL to POST { articleId, status, ... } to when generation finishes. |
get_articleFetch one article by id: full markdown body, meta, FAQs, SEO score, status, and published URL. Use to review a draft before publishing. (requires an agent API key)Fetch one article by id: full markdown body, meta, FAQs, SEO score, status, and published URL. Use to review a draft before publishing. (requires an agent API key)
| Parameter | Type | Description |
|---|---|---|
| articleId* | string | — |
get_site_metricsRead a site's performance: daily Search Console clicks/impressions trend plus cached SEO metrics (domain rating, organic traffic estimate, top keywords). No cost. Use to check whether Spook is working. (requires an agent API key)Read a site's performance: daily Search Console clicks/impressions trend plus cached SEO metrics (domain rating, organic traffic estimate, top keywords). No cost. Use to check whether Spook is working. (requires an agent API key)
| Parameter | Type | Description |
|---|---|---|
| siteId* | string | — |
| days | integer | — |
create_siteAdd a new site to the account. Language/market is auto-detected from the homepage. Requires an available paid site slot (use create_checkout first if none). Returns the new siteId. (requires an agent API key)Add a new site to the account. Language/market is auto-detected from the homepage. Requires an available paid site slot (use create_checkout first if none). Returns the new siteId. (requires an agent API key)
| Parameter | Type | Description |
|---|---|---|
| name* | string | — |
| domain* | string | Bare domain, e.g. example.com |
| description | string | — |
| brandVoice | string | — |
| niche | string | — |
| publishIntegration | string | — |
| publishWebhookUrl | string | — |
update_publishingConfigure where a site publishes. Set publishIntegration to 'nextjs' for a credential-free Spook-hosted blog (returns a blog API key), or 'webhook' with publishWebhookUrl. publishMode 'draft' or 'live'. (requires an agent API key)Configure where a site publishes. Set publishIntegration to 'nextjs' for a credential-free Spook-hosted blog (returns a blog API key), or 'webhook' with publishWebhookUrl. publishMode 'draft' or 'live'. (requires an agent API key)
| Parameter | Type | Description |
|---|---|---|
| siteId* | string | — |
| publishIntegration | string | — |
| publishMode | string | — |
| publishWebhookUrl | string | — |
| publishWebhookSecret | string | — |
create_checkoutGet a Stripe Checkout URL to add the first paid site to the account. Return the URL to the user to approve payment. Needed before create_site if the account has no available slot. (requires an agent API key)Get a Stripe Checkout URL to add the first paid site to the account. Return the URL to the user to approve payment. Needed before create_site if the account has no available slot. (requires an agent API key)
No input schema was published for this tool.
publish_articlePublish a generated article to the site's connected CMS. Enforces Spook's SEO-score floor - a draft below it is refused (returns published:false with a reason). (requires an agent API key)Publish a generated article to the site's connected CMS. Enforces Spook's SEO-score floor - a draft below it is refused (returns published:false with a reason). (requires an agent API key)
| Parameter | Type | Description |
|---|---|---|
| articleId* | string | — |
set_autopilotTurn a site's autopilot on or off. When on, Spook plans, writes, and publishes articles automatically. (requires an agent API key)Turn a site's autopilot on or off. When on, Spook plans, writes, and publishes articles automatically. (requires an agent API key)
| Parameter | Type | Description |
|---|---|---|
| siteId* | string | — |
| enabled* | boolean | — |
blog-keyword-generatorBlog Keyword Generator: Generate SEO keyword ideas for a topic, with search intent and difficulty. (free, AI-generated, rate-limited).Blog Keyword Generator: Generate SEO keyword ideas for a topic, with search intent and difficulty. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
content-brief-generatorContent Brief Generator: Create a detailed SEO content brief for a target keyword. (free, AI-generated, rate-limited).Content Brief Generator: Create a detailed SEO content brief for a target keyword. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| keyword* | string | — |
| audience | string | Optional target audience. |
blog-outline-generatorBlog Outline Generator: Produce a structured, SEO-friendly blog post outline. (free, AI-generated, rate-limited).Blog Outline Generator: Produce a structured, SEO-friendly blog post outline. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
content-idea-generatorContent Idea Generator: Generate content ideas with formats and angles for a niche. (free, AI-generated, rate-limited).Content Idea Generator: Generate content ideas with formats and angles for a niche. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
seo-title-generatorSEO Title Generator: Write catchy, SEO-friendly title tags for a topic. (free, AI-generated, rate-limited).SEO Title Generator: Write catchy, SEO-friendly title tags for a topic. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| keyword* | string | — |
| topic | string | — |
meta-description-generatorMeta Description Generator: Write SEO meta descriptions that maximize click-through rate. (free, AI-generated, rate-limited).Meta Description Generator: Write SEO meta descriptions that maximize click-through rate. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| keyword* | string | — |
| topic | string | — |
| tone | string | Optional tone, e.g. professional, playful. |
headline-generatorHeadline Generator: Generate catchy, click-worthy headlines. (free, AI-generated, rate-limited).Headline Generator: Generate catchy, click-worthy headlines. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
subject-line-generatorEmail Subject Line Generator: Write high-converting email subject lines. (free, AI-generated, rate-limited).Email Subject Line Generator: Write high-converting email subject lines. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
cta-generatorCTA Generator: Write effective call-to-action phrases. (free, AI-generated, rate-limited).CTA Generator: Write effective call-to-action phrases. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| product* | string | — |
| topic | string | — |
| goal | string | Optional CTA goal, e.g. sign up, buy. |
ad-copy-generatorAd Copy Generator: Generate ad headlines and descriptions. (free, AI-generated, rate-limited).Ad Copy Generator: Generate ad headlines and descriptions. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| product* | string | — |
| topic | string | — |
| platform | string | Optional ad platform, e.g. Google, Meta. |
social-post-generatorSocial Media Post Generator: Write platform-specific social media posts. (free, AI-generated, rate-limited).Social Media Post Generator: Write platform-specific social media posts. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
| platform | string | Optional network, e.g. LinkedIn, X. |
article-summarizerAI Article Summarizer: Condense an article into a TL;DR, key points, and summary. (free, AI-generated, rate-limited).AI Article Summarizer: Condense an article into a TL;DR, key points, and summary. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| text* | string | — |
article-rewriterAI Article Rewriter: Rephrase text to be clearer, unique, and engaging. (free, AI-generated, rate-limited).AI Article Rewriter: Rephrase text to be clearer, unique, and engaging. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| text* | string | — |
| tone | string | Optional target tone. |
grammar-checkerAI Grammar Checker: Fix grammar, spelling, and punctuation, and list the corrections. (free, AI-generated, rate-limited).AI Grammar Checker: Fix grammar, spelling, and punctuation, and list the corrections. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| text* | string | — |
faq-generatorFAQ Generator: Generate a set of frequently asked questions and answers for a topic. (free, AI-generated, rate-limited).FAQ Generator: Generate a set of frequently asked questions and answers for a topic. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
product-description-generatorProduct Description Generator: Write persuasive product descriptions. (free, AI-generated, rate-limited).Product Description Generator: Write persuasive product descriptions. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| product* | string | — |
| features | string | Optional key features. |
business-name-generatorBusiness Name Generator: Generate brandable business name ideas. (free, AI-generated, rate-limited).Business Name Generator: Generate brandable business name ideas. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | What the business is about. |
| keywords | string | Optional words to work in. |
| style | string | Optional naming style. |
youtube-title-generatorYouTube Title & Description Generator: Write a YouTube title, description, and tags for a video topic. (free, AI-generated, rate-limited).YouTube Title & Description Generator: Write a YouTube title, description, and tags for a video topic. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
paragraph-generatorParagraph Generator: Expand a topic or sentence into a well-written paragraph. (free, AI-generated, rate-limited).Paragraph Generator: Expand a topic or sentence into a well-written paragraph. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
| tone | string | Optional tone. |
content-coverage-checkerContent Coverage Checker: List the terms and entities an article targeting a keyword is expected to cover. (free, AI-generated, rate-limited).Content Coverage Checker: List the terms and entities an article targeting a keyword is expected to cover. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| keyword | string | — |
| language | string | — |
hashtag-generatorHashtag Generator: Generate relevant hashtags for a topic and platform. (free, AI-generated, rate-limited).Hashtag Generator: Generate relevant hashtags for a topic and platform. (free, AI-generated, rate-limited).
| Parameter | Type | Description |
|---|---|---|
| topic* | string | — |
| platform | string | Optional network, e.g. Instagram, TikTok. |
59 of 59 tools published a description.
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Free SEO tools + the Spook SEO autopilot: analyze domains, generate and publish SEO articles.
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