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Black SEO Analyzer

by sethblackversion 26.11.3i★ –iRuns on your computer
Registry nameio.github.sethblack/bseoa

Install

Overview

Description from the maker (original English)

Audit a page or crawl a whole site for technical SEO issues, locally. Compares crawls.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs on your computer
  • Transport: stdio
  • Category: Marketing & social media
  • You need to fill in: BLACK_SEO_ANALYZER_KEY

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on your computer with your user’s permissions (files, network, apps).
  • You fill in yourself: BLACK_SEO_ANALYZER_KEY

Values marked secret are keys to your account. Never share them or paste them into a chat.

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Download the maker’s .mcpb file

The link goes to the maker’s own file; we do not host or repackage it. Open the file and Claude Desktop installs it.

Run this in your terminal

Fill in the empty values before running it.

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • BLACK_SEO_ANALYZER_KEY secret required env
    Black SEO Analyzer license key. Start a free 14-day trial at https://www.blackseoanalyzer.com/free-trial. Without it every tool returns a license error.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account sethblack, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Marketing & social mediai

  • More stars than 0% of the other 2972 servers in this category
  • Published to the registry more recently than 90% of the other 2972 servers in this category
  • Basic checks equal to or better than 100% of the other 2972 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Black SEO Analyzer safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: BLACK_SEO_ANALYZER_KEY

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (26.11.3) reached the registry 3 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need MCPB on your computer.

What can I use instead?

In the same category: MCP YouTube Transcript, Google Analytics MCP, BibiGPT YouTube Video Summarizer

Alternatives

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Black SEO Analyzer

A powerful tool for comprehensive SEO analysis, designed for SEO professionals and developers who want to ensure their websites are optimized for both search engines and AI systems.

When run without a license you're limited in the number of pages you can crawl, but no other functionality is restricted. To purchase a license and unlock unlimited analysis power, visit Black SEO Analyzer product page.

Overview

Black SEO Analyzer is a powerful tool that keeps your website visible in both traditional search results and AI-generated responses. Good technical SEO isn't just about Google rankings—it's about making sure AI systems can find and understand your content when people ask about you.

When your site's structure and metadata are optimized correctly, you'll appear in both search results and AI conversations. Black SEO Analyzer cuts through the noise and tells you exactly what's holding your site back - without corporate buzzwords, just actionable data so you don't get left behind when someone asks an AI about exactly what you sell.

True Ownership, Not Subscription

Unlike subscription-based tools that stop working when you stop paying, Black SEO Analyzer offers genuine software ownership. Your purchase includes a legally-binding source code access guarantee if we ever discontinue the product — protecting your investment permanently.

Black SEO Analyzer License: One-Time Purchase

  • Lifetime software ownership
  • All future updates
  • Command-line efficiency
  • Source code escrow guarantee
  • Unlimited URLs and sites
  • All advanced features included

Installation

Please read the INSTALL.md file for installation instructions.

Windows Usage

A comprehensive SEO analysis tool

Usage: black-seo-analyzer.exe [OPTIONS]

Options: --url-to-begin-crawl URL of the sitemap to analyze --log-file Path to log file --output-type Output format type [default: html-folder] [possible values: json, jsonl, xml, csv, csv-flat, html-folder, json-files] --concurrent-requests Optional Number of concurrent requests to make [default: 20] --rate-limit Optional Rate limit in milliseconds [default: 50] --output-file Optional argument to specify the output file --spa Optional flag to indicate if the site is a Single-Page Application (SPA) --is-sitemap Optional flag to indicate if the initial page is a sitemap.xml --disable-external-links Optional flag to disable external link checking --locale Optional locale for internationalization [default: en] --use-anthropic-analyzer Optional flag to enable Anthropic Claude API for SEO analysis --anthropic-api-key Optional Anthropic API key (can also be set via ANTHROPIC_API_KEY environment variable) --anthropic-model Optional Anthropic model to use for analysis [default: claude-3-haiku-20240307] --anthropic-prompt-file Optional path to a file containing a custom Anthropic prompt --use-deepseek-analyzer Optional flag to enable DeepSeek API for SEO analysis --deepseek-api-key Optional DeepSeek API key (can also be set via DEEPSEEK_API_KEY environment variable) --deepseek-model Optional DeepSeek model to use for analysis [default: deepseek-chat] --deepseek-prompt-file Optional path to a file containing a custom DeepSeek prompt --use-openai-analyzer Optional flag to enable OpenAI API for SEO analysis --openai-api-key Optional OpenAI API key (can also be set via OPENAI_API_KEY environment variable) --openai-model Optional OpenAI model to use for analysis [default: gpt-4o] --openai-prompt-file Optional path to a file containing a custom OpenAI prompt --use-gemini-analyzer Optional flag to enable Google Gemini API for SEO analysis --gemini-api-key Optional Google Gemini API key (can also be set via GEMINI_API_KEY environment variable) --gemini-model Optional Google Gemini model to use for analysis [default: gemini-1.5-flash-latest] --gemini-prompt-file Optional path to a file containing a custom Google Gemini prompt --user-agent Optional User-Agent string for HTTP requests [default: "black-seo-analyzer v25.6.61905"] --max-pages Optional maximum number of pages to crawl --html-templates-dir Directory holding replacements for the built-in HTML report templates -h, --help Print help -V, --version Print version

Windows Example Usage
Basic JSON output for one site
black-seo-analyzer.exe --url-to-begin-crawl https://example.com --output-type json --output-file example-report.json
Website with a sitemap
black-seo-analyzer.exe --url-to-begin-crawl https://example.com/sitemap.xml --is-sitemap --output-type json --output-file sitemap-report.json
Single page app
black-seo-analyzer.exe --url-to-begin-crawl https://spa-example.com --spa --output-type json --output-file spa-report.json
HTML folder output
black-seo-analyzer.exe --url-to-begin-crawl https://example.com --output-type html-folder --output-file ./seo-reports

Linux/MacOS Usage

A comprehensive SEO analysis tool

Usage: black-seo-analyzer [OPTIONS]

Options: --url-to-begin-crawl URL of the sitemap to analyze --log-file Path to log file --output-type Output format type [default: html-folder] [possible values: json, jsonl, xml, csv, csv-flat, html-folder, json-files] --concurrent-requests Optional Number of concurrent requests to make [default: 20] --rate-limit Optional Rate limit in milliseconds [default: 50] --output-file Optional argument to specify the output file --spa Optional flag to indicate if the site is a Single-Page Application (SPA) --is-sitemap Optional flag to indicate if the initial page is a sitemap.xml --disable-external-links Optional flag to disable external link checking --locale Optional locale for internationalization [default: en] --use-anthropic-analyzer Optional flag to enable Anthropic Claude API for SEO analysis --anthropic-api-key Optional Anthropic API key (can also be set via ANTHROPIC_API_KEY environment variable) --anthropic-model Optional Anthropic model to use for analysis [default: claude-3-haiku-20240307] --anthropic-prompt-file Optional path to a file containing a custom Anthropic prompt --use-deepseek-analyzer Optional flag to enable DeepSeek API for SEO analysis --deepseek-api-key Optional DeepSeek API key (can also be set via DEEPSEEK_API_KEY environment variable) --deepseek-model Optional DeepSeek model to use for analysis [default: deepseek-chat] --deepseek-prompt-file Optional path to a file containing a custom DeepSeek prompt --use-openai-analyzer Optional flag to enable OpenAI API for SEO analysis --openai-api-key Optional OpenAI API key (can also be set via OPENAI_API_KEY environment variable) --openai-model Optional OpenAI model to use for analysis [default: gpt-4o] --openai-prompt-file Optional path to a file containing a custom OpenAI prompt --use-gemini-analyzer Optional flag to enable Google Gemini API for SEO analysis --gemini-api-key Optional Google Gemini API key (can also be set via GEMINI_API_KEY environment variable) --gemini-model Optional Google Gemini model to use for analysis [default: gemini-1.5-flash-latest] --gemini-prompt-file Optional path to a file containing a custom Google Gemini prompt --user-agent Optional User-Agent string for HTTP requests [default: "black-seo-analyzer v2025.1.100001"] --max-pages Optional maximum number of pages to crawl --html-templates-dir Directory holding replacements for the built-in HTML report templates -h, --help Print help -V, --version Print version

Linux/MacOS Example Usage

Notes:

  • If the binary is not executable, you may need to run chmod +x ./black-seo-analyzer first.
  • The examples below assume the binary is in the current directory. If it's in a different directory, you'll need to provide the full path to the binary or if it is in your PATH, you can just run black-seo-analyzer.
Basic JSON output for one site
./black-seo-analyzer --url-to-begin-crawl https://example.com --output-type json --output-file example-report.json
Website with a sitemap
./black-seo-analyzer.exe --url-to-begin-crawl https://example.com/sitemap.xml --is-sitemap --output-type json --output-file sitemap-report.json
Single page app
./black-seo-analyzer.exe --url-to-begin-crawl https://spa-example.com --spa --output-type json --output-file spa-report.json
HTML folder output
./black-seo-analyzer.exe --url-to-begin-crawl https://example.com --output-type html-folder --output-file ./seo-reports

Comprehensive Feature List

Core Functionality
  • Command-line interface
  • GUI interface
  • Crawl websites starting from a specified URL
  • Crawl websites using a sitemap
  • Support for both static websites (HTTP requests) and Single Page Applications (SPAs) via headless browser
  • Configurable concurrent request limit
  • Configurable maximum page limit
  • Detailed logging system
  • Configurable log file location
Crawling Capabilities
  • HTTP request-based crawler
  • Headless browser-based crawler
  • Automatic detection and extraction of links, scripts, stylesheets, images
  • Sitemap parsing and processing
  • Asynchronous processing for crawling and analysis
  • Content hash generation (SHA1) for duplicate content detection
  • Configurable crawl delay
  • Respect robots.txt
  • User-agent customization
  • Domain extraction utility
SEO Analysis Modules
  • Content Analysis
  • Word count
  • Keyword density analysis
  • Readability analysis (Flesch-Kincaid score, syllable counting)
  • Duplicate content detection
  • Heading structure analysis (H1, H2, etc.)
  • Extraction of content from additional tags ( , , etc.)
  • Metadata Analysis
  • Title tag extraction and validation
  • Meta description extraction and validation
  • Meta keywords extraction
  • Viewport meta tag validation
  • Robots meta tag validation
  • Canonical URL validation
  • OpenGraph data extraction and analysis (og:title, og:description, og:image, etc.)
  • Twitter Card data extraction and analysis (twitter:card, twitter:title, etc.)
  • URL Structure Analysis
  • Scheme validation (HTTPS preferred

Only the beginning is shown; read the rest in the repo

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