# Semrush MCP

> Semrush MCP gives your AI agent direct access to one of the industry's largest SEO databases. It lets you analyze competitor backlink profiles, track domain ranks across regions, and research high-potential keywords with real search volume data—all without leaving your chat window.

## Overview
- **Category:** growth-engine
- **Price:** Free
- **Tags:** seo, keyword-research, backlink-analysis, competitive-intelligence, digital-marketing, site-audit, rank-tracking, traffic-analytics

## Description

Stop juggling browser tabs and exporting spreadsheets just to compare sites. This MCP pulls massive amounts of SERP forensics directly into your context window. Your agent handles the heavy lifting, letting you ask complex questions about SEO performance in plain language.

Need to know why a rival is outranking you? You can command the AI to analyze organic search volume differences between two competing domains using `domain_vs_domain`. Want to build content around low-competition topics? Just point your agent at a seed topic, and it will compile editorial briefs loaded with actual keyword volumes and CPCs. This whole capability is accessed through Vinkius, which hosts thousands of specialized MCPs, ensuring you never have to search for data again.

Whether you're auditing technical errors using `site_audit` or checking a competitor’s entire backlink profile with `get_backlinks`, this MCP makes deep digital analysis conversational. You get the raw metrics—the authority scores, the traffic numbers, the keyword difficulty—and your agent explains what it all means right then and there.

## Tools

### domain_overview
Provides a high-level SEO summary for any domain, including its organic and paid traffic estimates in a specified region.

### organic_keywords
Retrieves the list of keywords where a specific domain currently ranks in search results.

### keyword_overview
Calculates key metrics for any given keyword, such as monthly volume, cost per click, and competition difficulty.

### related_keywords
Suggests a list of topic-adjacent keywords ideal for content expansion, along with their predicted volumes and difficulties.

### get_backlinks
Retrieves a comprehensive overview of the inbound links pointing to an external website.

### domain_vs_domain
Performs a direct, quantitative comparison of two domains' SEO performance metrics side-by-side.

### traffic_analytics
Pulls detailed traffic data for a domain, including visits, bounce rate, and average pages viewed per visit.

### site_audit
Generates a technical quality score for a specified project ID and explains any flagged SEO errors found on the site.

## Prompt Examples

**Prompt:** 
```
Pull the foundational organic ranking and paid traffic overview for the domain 'airbnb.com'. Target the US database.
```

**Response:** 
```
Using the 'us' database configuration on `domain_overview`, I found that 'airbnb.com' commands a massive overarching Authority Score. Their organic search yields approximately 12.8M monthly hits relying on short-head housing terms, while their exact Paid Traffic scale denotes ~3.4M monthly clicks pushed primarily through Google Sponsored verticals.
```

**Prompt:** 
```
Find 10 related keywords for the term 'buy mechanical keyboard' including their respective difficulties and search volumes.
```

**Response:** 
```
I processed `related_keywords` targeting 'buy mechanical keyboard'. Let's focus on three prominent signals out of the 10 fetched: 1) 'best mechanical keyboard 2024' (Volume: 24K, KD: 78%). 2) 'buy cheap wired mechanical keyboard' (Volume: 8K, KD: 42%). 3) 'buy tactile mechanical keyboard red switches' (Volume: 3.5k, KD: 27%). The third option presents an excellent low-competition long-tail entry point.
```

**Prompt:** 
```
Compare the overarching inbound domain performance between 'coca-cola.com' and 'pepsi.com'.
```

**Response:** 
```
I executed `domain_vs_domain` between the corporate endpoints. Both share astronomically similar Authority Scores (~91). Coca-Cola leads marginally in total referring domains (approx. 240k unique backlinking entities), while Pepsi tracks slightly higher on brand-name aggregate search volume in the US. However, Coca-Cola is currently picking up 15% more non-brand long-tail queries overall.
```

## Capabilities

### Compare rival domain performance
Run side-by-side comparisons to gauge which of two domains has stronger organic authority or better traffic metrics.

### Generate keyword research briefs
Take a general topic and receive a list of related, high-potential keywords complete with estimated search volume and competition difficulty scores.

### Audit website technical health
Check a site's technical SEO score and ask the AI to explain exactly what flagged errors mean for your visibility.

### Track domain authority and traffic
Get an immediate overview of a single domain’s rank, estimated organic traffic, and paid search presence globally or by specific country.

### Analyze inbound link structure
Examine the full backlink profile of any external website to assess its overall industry authority and credibility.

## Use Cases

### A competitor just launched a massive campaign.
Instead of waiting for market reports, ask your agent to run `domain_vs_domain` comparing your site against theirs. You'll immediately see if they gained authority via more backlinks or if their traffic spike came from a different source.

### My content plan feels thin.
Hand the AI your main pillar topic and have it use `related_keywords`. It compiles dozens of long-tail opportunities, giving you a clear roadmap for three months' worth of articles.

### The site is getting slow and ranking drops.
Run the `site_audit` tool. The agent reads the resulting score and then writes out a prioritized checklist—like 'Fix missing meta tags on X pages'—so you know exactly what to fix first.

### I need to prove my client’s current traffic issues.
Use `traffic_analytics` on five different industry rivals. The agent compiles the data, showing side-by-side comparisons of bounce rates and average pages/visit, making your argument undeniable.

## Benefits

- Stop guessing about keywords. Use `keyword_overview` to instantly validate if a topic has enough search volume (volume) and manageable competition difficulty (KD).
- Never write a content brief blind. By running `related_keywords`, you get immediate, structured ideas that naturally expand your topical coverage.
- Understand competitive weaknesses fast. Use `domain_vs_domain` to spot where rivals are strong and, more importantly, where they're weak compared to your own site metrics.
- Quickly diagnose technical debt. Run a `site_audit` to get the quality score and an explanation of what specific flagged errors mean for search engine crawlability.
- Gauge true authority instantly. Use `get_backlinks` to pull up an external domain’s link profile, letting you judge its credibility in seconds.

## How It Works

The bottom line is you don't write complex API queries; you just ask the question in plain English, and the MCP handles the rest of the data fetching.

1. First, you enable the Semrush MCP on your client environment and authorize it using your specific Business API key.
2. Next, you ask your agent a highly technical question—for example, 'Compare Domain A to Domain B' or 'Give me related keywords for X.'
3. The MCP executes the required tool calls, pulling raw data (like traffic metrics or keyword volumes) and feeding it back into the conversation context for your agent to interpret.

## Frequently Asked Questions

**How do I check if my competitor has better domain authority using Semrush MCP?**
You use the `domain_vs_domain` tool to compare your site directly against theirs. The agent will provide a side-by-side breakdown of their overall SEO scores, traffic estimates, and backlink profiles.

**Can Semrush MCP help me plan content around low-competition keywords?**
Yes. Send the AI your main topic, and it runs `related_keywords`. It filters through hundreds of ideas and presents you with the best long-tail options based on volume and difficulty.

**What is the best way to audit a website's technical SEO using Semrush MCP?**
Simply use the `site_audit` tool. It generates a comprehensive quality score for your project ID, and the agent can explain exactly what every flagged error means in simple terms.

**Does Semrush MCP only track organic keywords, or can it help with paid ads?**
It handles both. You can use `domain_overview` to get an estimate of a site's paid traffic alongside its core organic search rankings.

**How do I analyze the credibility of a partner website using Semrush MCP?**
You run `get_backlinks` on their domain. This tool pulls up an overview of all inbound links, letting you gauge how many high-authority sites are pointing to them.