Many marketers run multiple workflows where one can do the trick.
You ask ChatGPT for keyword ideas, get generic suggestions, and then switch to Semrush to get real search volumes.
Or you write a competitor analysis in Claude, realize you need more up-to-date backlink data, and go back to exporting a CSV. It then analyzes the CSV and adds the relevant data to your competitor analysis.
Every piece of knowledge requires a change of context, and by the time you’ve put it all together, you’ll have lost your train of thought.
Semrush One MCP eliminates this friction completely. Connect Semrush’s 26+ billion keywords, 808 million domain profiles, and 43 trillion backlinks directly to AI tools like ChatGPT, Claude, and Cursor. This means you get real SEO intelligence within the same conversation where you’re developing strategy, creating content, or analyzing performance.
In this guide, we’ll explain what Semrush One MCP is, how to set it up, and give you three practical ways marketers use it to make AI tools truly useful for competitive research.
What is Semrush One?
Semrush One is an online visibility solution that combines traditional SEO tools with AI search visibility tracking in a single subscription. Instead of working on separate platforms and purchasing separate subscriptions to monitor Google rankings and As AI Platform mentions, you get both toolkits working together in a single unified interface.
The package includes two main components:
- The SEO Toolkit: For keyword research, site audits, ranking tracking, and competitor analysis.
- The AI Visibility Toolkit: To track how your brand appears in ChatGPT, Perplexity, Gemini, Google AI Mode and Google AI Overviews
This is important because search behavior has become fragmented. Users now discover brands through both traditional search engines. and AI and Semrush One chat platforms allow you to measure and optimize both channels from a single dashboard.
Semrush One is designed to SEO and content marketers who need visibility beyond Google, agencies manage customer performance across multiple discovery platforms, and brands They want a complete view of where they appear when people search for solutions in their industry.
There are three subscription levels for Semrush One:
- Initial ($199/month) for up to 5 projects, 500 tracked keywords and 50 tracked prompts
- Pro+ ($299/month) for 15 projects, 1500 keywords and 100 posts, along with historical data and content optimization tools
- Advanced ($549/month) for 40 projects, 5000 keywords and 200 messages, along with API access
What is Semrush One MCP?
MCP (Model Context Protocol) is like a bridge that connects AI tools with live data sources. Instead of AI tools running off of static training data or generic web searches, MCP allows them to query specific databases in real time and extract current information directly into conversations.
Think of it as a universal adapter between AI agents and the tools you already use. Instead of creating custom integrations for each combination of AI platform and data source, MCP provides a standardized way for AI tools to request information and retrieve it in a format they can understand and present naturally (i.e., in a way that you can understand).
How Semrush One MCP works
Semrush’s MCP Server provides AI agents with direct and secure access to Semrush APIs. Once connected, you can ask ChatGPT, Claude, Cursor or VS Code questions about keywords, competitors or website performance. Then, you’ll get answers based on real data from Semrush without leaving your chat or coding environment.
For example, you could ask:
- “What are the top 10 keywords driving traffic to (competitor domain)?”
- “Show me backlink profiles for these three domains and compare their authority scores”
- “What keywords have the highest search volume but the least competition in (the industry)?”
The AI then consults the relevant SEMrush tools…
…and generates what you requested:
What’s included
Every Semrush One plan (Starter, Pro+ and Advanced) and SEO Classic plan (Pro, Guru and Business) now includes MCP access with 50,000 API units per month. No plugins required, no additional setup fees, no separate API subscription to manage. If you have an active Semrush One subscription, you can use MCP, even during a free trial.
The MCP Server provides access to the Semrush Analytics API (including domain analytics, keyword research, and backlink data), Projects API (for site audit and position tracking data), and Trends API if your subscription includes it.
This means that almost everything you can access through the Semrush web interface becomes accessible through AI agents using natural language prompts.
How to use Semrush One MCP
Here’s how to get started with Semrush One MCP:
Step 1: Verify your subscription
Make sure you have an active Semrush One plan (Starter, Pro+ or Advanced). As we mentioned above, access to MCP is automatically included in all of these plans, even during free trials.
If you’re not currently a subscriber, Semrush One offers a 7-day free trial that includes full access to MCP, giving you the opportunity to test the integration before committing to a paid plan.
Step 2: Choose your AI tool
Semrush MCP works with many of the most popular AI platforms and development environments, including:
- ChatGPT
- claudio
- Claude Code
- Cursor
- VS code
You can connect multiple tools to the same Semrush account and your 50,000 monthly API units are shared between all of them.
You may want to start with ChatGPT or Claude, as these are the most common conversational AI tools. But if you have development experience, try connecting Claude Code, Cursor, or VS Code to get SEO data during your coding workflows.
Step 3 – Connect the MCP Server
The connection process varies slightly depending on the tool, but generally follows the same authentication pattern.
For ChatGPT:
- Navigate to Account > Settings > Applications
- Search and select semrush of available applications
- Click Connect
- You will be redirected to SEMrush to approve access.
- Once approved, return to ChatGPT and the connection will be active and ready to use.
For Claudio:
- Gonna Settings > Connectors > Add custom connector
- Give your connector a name (for example, “Semrush MCP”)
- Add the MCP server URL: https://mcp.semrush.com/v1/mcp
- save changes
- It will automatically redirect you to the Semrush login page to authorize the connection.
If you are using Claude Code, Cursor, or VS Code, see the official Semrush MCP documentation to know how to configure it.
Step 4: Start querying
Once you’ve connected your AI tool to Semrush MCP, you can start asking Semrush-powered questions right away. How you reference Semrush data depends on your tool:
In ChatGPT: you can write @Semrush before your question to ensure that ChatGPT pulls data from Semrush instead of using general knowledge. For example: “@Semrush What are the top organic keywords for nike.com?”
In Claude and other tools: Just ask naturally as the AI agent automatically recognizes when you ask about domains, keywords, backlinks or competitive data and queries Semrush accordingly. For example: “Show me the keyword difficulty scores for these 10 keywords” or “Compare the backlink profiles of these three competing domains.”
The connection persists across all your sessions, so you only need to configure it once. After that, whenever you open your AI tool and ask SEO related questions, it will pull live data from Semrush automatically.
Semrush One MCP Use Cases
Here are two simple but effective ways to use Semrush One MCP within your marketing workflows:
Use case 1: Daily competitive monitoring without manual controls
You need to track how your competitors are moving, whether it’s new content, ranking changes, or backlink gains. But checking it manually every day consumes a lot of valuable time.
With Semrush MCP connected to an AI agent, you can automate this process.
Simply ask your AI tool something like: “Set up a task that checks keyword rankings, AI traffic, and backlink changes for (competitor domain) every day and flags any significant movements. Share the report with me every day at 12 pm.”
The AI queries Semrush, pulls current data, and tells you what’s changed.
Did your competitor launch a new content hub and get 200 backlinks? You know it immediately.
Did your traffic from key AI platforms grow 20% overnight? You see it before they do and can dig deeper into why to help inform your own AI visibility strategy.
Set this as a recurring message or task so that multiple rivals always have up-to-date information on competitors.
Use case 2: Real-time keyword research within drafts
Imagine you’re writing a blog post in Claude or writing product copy in ChatGPT. Halfway through your draft, you realize you need keyword variations, search volumes, and difficulty scores to optimize the article.
Without MCP, you would stop writing, open SEMrush, perform keyword research, export the results, and paste them back into your draft. With MCP, simply ask, “What related keywords should I target (topic) and what are their search volumes and difficulty scores?”
The AI pulls live Semrush data, suggests keywords you should use, and you keep typing. All without having to change tools, so you can focus solely on writing.
Try Semrush One MCP Today
Semrush One MCP turns generic AI assistants into data-driven research engines. Instead of choosing between quick AI responses and accurate SEO data, you get both.
Each Semrush One plan includes MCP access with 50,000 API units per month. No additional costs, no technical setup, no custom integrations. Simply connect once and start checking.
Try it today with a Semrush One Subscription.
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