How to integrate Semrush MCP with Claude Agent SDK

Connect Claude Agent SDK to Semrush MCP. Show top anchor texts for example.com, compare backlink profiles for three domains, and more using natural language, with authentication handled for you.

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Semrush is a leading SEO tool suite for keyword research, competitor analysis, and campaign tracking. It empowers marketers to improve search rankings and optimize online visibility.

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Introduction

This guide walks you through connecting Semrush to the Claude Agent SDK using the Composio tool router. By the end, you'll have a working Semrush agent that can research organic and paid keywords, analyze backlinks, compare competitor domains, track local map rankings, and manage business listings through natural language commands.

This guide will help you understand how to give your Claude Agent SDK agent real control over a Semrush account through Composio's Semrush MCP server.

Before we dive in, let's take a quick look at the key ideas and tools involved.

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TL;DR

Here's what you'll learn:
  • Get and set up your Claude/Anthropic and Composio API keys
  • Install the necessary dependencies
  • Initialize Composio and create a Tool Router session for Semrush
  • Configure an AI agent that can use Semrush as a tool
  • Run a live chat session where you can ask the agent to perform Semrush operations

What is Claude Agent SDK?

The Claude Agent SDK is Anthropic's official framework for building AI agents powered by Claude. It provides a streamlined interface for creating agents with MCP tool support and conversation management.

Key features include:

  • Native MCP Support: Built-in support for Model Context Protocol servers
  • Permission Modes: Control tool execution permissions
  • Streaming Responses: Real-time response streaming for interactive applications
  • Context Manager: Clean async context management for sessions

What is the Semrush MCP server, and what's possible with it?

The Semrush MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Semrush account. It provides structured and secure access to keyword, search competitor, backlink, and advertising data, so your agent can research keywords, compare domains, inspect backlink profiles, analyze search competitors, and review paid campaigns on your behalf.

  • Keyword research and content planning: Have your agent find related, broad match, and question-based keywords, then review search volume, cost per click, competition, and keyword difficulty.
  • Organic search analysis: Let the agent examine a domain's ranking keywords, top organic pages, ranking subdomains, and search results across supported regional databases.
  • Competitor and keyword gap research: Direct your agent to identify organic or paid search competitors and compare up to five domains for shared, unique, and missing keywords.
  • Backlink profile assessment: Instruct your agent to review backlinks, referring domains, anchor text, indexed pages, authority score distribution, historical trends, and geographic or top-level domain diversity.
  • Paid search and shopping research: Have your agent inspect paid keywords, search ads, advertising history, Product Listing Ad keywords and copies, and competing advertisers.

What is the Composio tool router, and how does it fit here?

What is Composio SDK?

Composio's Composio SDK helps agents find the right tools for a task at runtime. You can plug in multiple toolkits (like Gmail, HubSpot, and GitHub), and the agent will identify the relevant app and action to complete multi-step workflows. This can reduce token usage and improve the reliability of tool calls. Read more here: Getting started with Composio SDK

The tool router generates a secure MCP URL that your agents can access to perform actions.

How the Composio SDK works

The Composio SDK follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Step by step09 STEPS
1

Prerequisites

Before starting, make sure you have:
  • Composio API Key and Claude/Anthropic API Key
  • Primary know-how of Claude Agents SDK
  • A Semrush account
  • Some knowledge of Python
2

Getting API Keys for Claude/Anthropic and Composio

Claude/Anthropic API Key
  • Go to the Anthropic Console and create an API key. You'll need credits to use the models.
  • Keep the API key safe.
Composio API Key
  • Log in to the Composio dashboard.
  • Navigate to your API settings and generate a new API key.
  • Store this key securely as you'll need it for authentication.
3

Install dependencies

npm install @anthropic-ai/claude-agent-sdk @composio/core dotenv

Install the Composio SDK and the Claude Agents SDK.

What's happening:

  • @composio/core provides Composio integration for Anthropic
  • @anthropic-ai/claude-agent-sdk is the core agent framework
  • dotenv/config loads environment variables
4

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here
ANTHROPIC_API_KEY=your_anthropic_api_key_here

Create a .env file in your project root.

What's happening:

  • COMPOSIO_API_KEY authenticates with Composio
  • USER_ID identifies the user for session management
  • ANTHROPIC_API_KEY authenticates with Anthropic/Claude
5

Import dependencies

import 'dotenv/config';
import readline from 'node:readline';
import { Composio } from '@composio/core';
import { query, type Options } from "@anthropic-ai/claude-agent-sdk";

dotenv.config();
What's happening:
  • We're importing all necessary libraries including the Claude Agent SDK and Composio
  • The dotenv.config() function loads environment variables from your .env file
  • This setup prepares the foundation for connecting Claude with Semrush functionality
6

Create a Composio instance and Tool Router session

async function chat() {
  const { COMPOSIO_API_KEY, USER_ID } = process.env;
  if (!COMPOSIO_API_KEY || !USER_ID) {
    throw new Error('COMPOSIO_API_KEY and USER_ID required in .env');
  }

  const composio = new Composio({ apiKey: COMPOSIO_API_KEY });

  // Create Tool Router session for Semrush
  const session = await composio.create(USER_ID, {
    toolkits: ['semrush'],
  });
  const mcpUrl = session?.mcp.url;
What's happening:
  • The function checks for the required COMPOSIO_API_KEY environment variable
  • We're creating a Composio instance using our API key
  • The create method creates a Tool Router session for Semrush
  • The returned url is the MCP server URL that your agent will use
7

Configure Claude Agent with MCP

const options: Options = {
  permissionMode: 'bypassPermissions',
  mcpServers: {
    composio: {
      type: 'http',
      url: mcpUrl,
      headers: { 'x-api-key': COMPOSIO_API_KEY }
    }
  },
  systemPrompt: 'You are a helpful assistant with access to Semrush tools via Composio.',
  maxTurns: 10,
};
What's happening:
  • We're configuring the Claude Agent options with the MCP server URL
  • permissionMode: 'bypassPermissions' allows the agent to execute operations without asking for permission each time
  • The system prompt instructs the agent that it has access to Semrush
  • maxTurns: 10 limits the conversation length to prevent excessive API usage
8

Create client and start chat loop

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
    prompt: 'You: '
  });

  console.log('\nChat started. Type "exit" to quit.\n');

  let isProcessing = false;

  async function ask(prompt: string) {
    isProcessing = true;
    rl.pause();

    process.stdout.write('Claude is thinking...');
    const stream = query({ prompt, options });

    let firstChunk = true;
    for await (const msg of stream) {
      const content = (msg as any).message?.content || (msg as any).content;
      if (Array.isArray(content)) {
        for (const block of content) {
          if (block.type === 'text' && block.text) {
            if (firstChunk) {
              process.stdout.write('\r\x1b[K');
              process.stdout.write('Claude: ');
              firstChunk = false;
            }
            process.stdout.write(block.text);
          }
        }
      }
    }
    process.stdout.write('\n\n');

    isProcessing = false;
    rl.resume();
    rl.prompt();
  }

  rl.on('line', async (line) => {
    if (isProcessing) return;

    const input = line.trim();
    if (input === 'exit') {
      rl.close();
      process.exit(0);
    }
    if (input) await ask(input);
    else rl.prompt();
  });

  await ask('What can you help me with?');
}
What's happening:
  • The readline interface is created to handle user input and output
  • The query function is used to send the user's input to the agent
  • The chat loop continues until the user types 'exit' or 'quit'
9

Run the application

try {
  await chat();
} catch (error) {
  console.error(error);
  process.exit(1);
}
What's happening:
  • The chat function is the entry point for the application
  • The try-catch block is used to handle any errors that occur

Complete Code

Here's the complete code to get you started with Semrush and Claude Agent SDK:

import 'dotenv/config';
import readline from 'node:readline';
import { Composio } from '@composio/core';
import { query, type Options } from "@anthropic-ai/claude-agent-sdk";

async function chat() {
  const { COMPOSIO_API_KEY, USER_ID } = process.env;
  if (!COMPOSIO_API_KEY || !USER_ID) {
    throw new Error('COMPOSIO_API_KEY and USER_ID required in .env');
  }

  const composio = new Composio({ apiKey: COMPOSIO_API_KEY });
  const session = await composio.create(USER_ID, {
    toolkits: ['semrush']
  });
  const mcp_url = session?.mcp.url;

  const options: Options = {
    permissionMode: 'bypassPermissions',
    mcpServers: {
      composio: {
        type: 'http',
        url: mcp_url,
        headers: { 'x-api-key': COMPOSIO_API_KEY }
      }
    },
    systemPrompt: 'You are a helpful assistant with access to Semrush tools via Composio.',
    maxTurns: 10,
  };

  const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
    prompt: 'You: '
  });

  console.log('\nChat started. Type "exit" to quit.\n');

  let isProcessing = false;

  async function ask(prompt: string) {
    isProcessing = true;
    rl.pause();

    process.stdout.write('Claude is thinking...');
    const stream = query({ prompt, options });

    let firstChunk = true;
    for await (const msg of stream) {
      const content = (msg as any).message?.content || (msg as any).content;
      if (Array.isArray(content)) {
        for (const block of content) {
          if (block.type === 'text' && block.text) {
            if (firstChunk) {
              process.stdout.write('\r\x1b[K');
              process.stdout.write('Claude: ');
              firstChunk = false;
            }
            process.stdout.write(block.text);
          }
        }
      }
    }
    process.stdout.write('\n\n');

    isProcessing = false;
    rl.resume();
    rl.prompt();
  }

  rl.on('line', async (line) => {
    if (isProcessing) return;

    const input = line.trim();
    if (input === 'exit') {
      rl.close();
      process.exit(0);
    }
    if (input) await ask(input);
    else rl.prompt();
  });

  await ask('What can you help me with?');
}

try {
  await chat();
} catch (error) {
  console.error(error);
  process.exit(1);
}

Conclusion

You've successfully built a Claude Agent SDK agent that can interact with Semrush through Composio's Tool Router.

Key features:

  • Native MCP support through Claude's agent framework
  • Streaming responses for real-time interaction
  • Permission bypass for smooth automated workflows
You can extend this by adding more toolkits, implementing custom business logic, or building a web interface around the agent.
TOOLS

Supported Tools

Every Semrush action and event your agent gets out of the box.

Check Semrush account units balance

Fetch remaining Semrush Standard API units for a legacy v3 connection.

Add Semrush review comment

Publish an owner comment to a review that supports replies.

Get ad copies

Retrieves unique ad copies Semrush has observed for a specified domain from a regional database, detailing ads seen in Google's paid search results.

Get competitors in organic search

Use to get a domain's organic search competitors from Semrush as a semicolon-separated string; `display_date` requires 'YYYYMM15' format if used.

Get competitors in paid search

Retrieves a list of a domain's competitors in paid search results from a specified regional database.

Create Semrush GBP post

Create a draft, scheduled, or ready-to-send GBP post.

Create Listing Management location

Create a Semrush Listing Management location.

Create location image

Add a base64-encoded JPEG or PNG image to a Semrush Listing Management location using a read-write v4 key and Local Pro or Business.

Manage Semrush GBP suggestion

Start accepting or rejecting an open GBP suggestion.

Delete Semrush GBP post

Permanently delete a DRAFT, SCHEDULED, or TO_SEND GBP post.

Delete Listing Management location

Permanently delete an eligible location using a read-write v4 key and Local plan.

Delete location image

Permanently delete an image using a read-write v4 key and Local plan.

Delete Semrush review comment

Permanently remove a public review comment.

Disable location listing

Stop distribution for a controllable listing; a parent may affect child listings.

Get domain ad history

Retrieves a domain's 12-month advertising history from Semrush (keywords bid on, ad positions, ad copy) for PPC strategy and competitor analysis; most effective when the domain has ad history in the selected database.

Get domain organic pages

Fetches a report on a domain's unique organic pages ranking in Google's top 100 search results, with options for specifying database, date, columns, sorting, and filtering.

Get domain organic search keywords

Retrieves organic search keywords for a domain from a specified Semrush regional database; `display_positions` must be set if `display_daily=1` for daily updates.

Get domain organic subdomains

Retrieves a report on subdomains of a given domain that rank in Google's top 100 organic search results for a specified regional database.

Get domain paid search keywords

Fetches keywords driving paid search traffic to a specified, existing domain using a supported Semrush regional database.

Get PLA search keywords for a domain

Retrieves Product Listing Ad (PLA) search keywords for a specified domain from a Semrush regional database.

Compare domains

Analyzes keyword rankings by comparing up to five domains to find common, unique, or gap keywords, using specified organic/paid types and comparison logic in the `domains` string.

Enable location listing

Resume distribution for a controllable disconnected listing.

Get Semrush GBP metrics

Return GBP metrics for up to five locations.

Get Listing Management location

Get one Listing Management location using a v4 key and Local Pro or Business.

Get Semrush review auto-reply config

Return review auto-reply settings for a location.

Get Semrush review overview

Return review counts, rating distribution, and reply statistics.

List Semrush GBP additional-hour types

Return additional business-hour types available for a GBP location.

List Semrush GBP attributes

Return GBP attributes and allowed values for a category and country.

List Semrush GBP categories

Return GBP categories supported in a country.

List Semrush GBP posts

Return filtered GBP posts for one or more Semrush locations.

List Semrush GBP suggestions

Return GBP data-change suggestions for one or more active locations.

List Listing Management locations

List locations using a v4 key and Local Pro or Business; uses no API units.

List location categories

List Semrush Local business categories supported for a country.

List location images

List location images using a v4 key and Local Pro or Business.

List location listings

Get directory listings using a v4 key and Local Pro or Business.

List location payment options

Get payment options using a v4 key and Local Pro or Business.

List Semrush location reviews

Return a filtered, paginated list of reviews for a Semrush location.

Collect Map Rank Tracker campaign data (consumes credits)

Start a data-collection mutation that creates a new campaign report.

Create Map Rank Tracker campaign

Create persistent Map Rank Tracker campaign data.

Delete Map Rank Tracker campaign

Permanently delete a campaign and all its collected data.

Get Map Rank Tracker campaign

Get one Map Rank Tracker campaign without consuming API units.

Get Map Rank Tracker heatmap

Get a campaign heatmap for one keyword and report timestamp.

Get Map Rank Tracker keyword statuses

Get campaign keyword statuses for the latest or a specified report.

Get Map Rank Tracker metrics

Get average-position and share-of-voice history for one keyword.

Get Map Rank Tracker user limits

Get campaign-slot and monthly Map Rank Tracker credit limits.

List Map Rank Tracker campaigns

List and filter Map Rank Tracker campaigns without consuming API units.

List Map Rank Tracker top competitors

Get a paginated competitor ranking for one keyword and report.

Update Map Rank Tracker campaign

Mutate selected settings of an existing Map Rank Tracker campaign.

Get PLA competitors

Retrieves domains competing with a specified domain in Google's Product Listing Ads (PLA) from a given Semrush regional database.

Get PLA copies

Fetches Product Listing Ad (PLA) copies that Semrush observed for a domain in Google's paid search results.

Update Semrush GBP post

Update a DRAFT, SCHEDULED, or TO_SEND GBP post.

Update Listing Management location

Patch selected fields on a Semrush Listing Management location.

Update location image

Replace a location image caption using a read-write v4 key and Local Pro or Business.

Replace Semrush review auto-reply config

Replace all review auto-reply settings for a location.

Update Semrush review comment

Replace the public text of an editable review comment.

List v4 backlink anchors

List v4 backlink anchors for a URL or domain.

Get v4 authority score profile

Get the v4 referring-domain authority-score distribution.

List v4 backlink competitors

List v4 backlink competitors based on referring-domain overlap.

List v4 backlinks

List v4 backlinks with field selection, filtering, sorting, and pagination.

Compare v4 backlink summaries

Compare v4 backlink summaries for up to ten targets.

Get v4 backlinks historical summary

Get monthly v4 backlink history for a URL or domain.

Get v4 backlinks matrix

Compare shared referring domains and backlinks for up to six targets.

Get v4 backlinks overview

Get aggregated v4 backlink metrics for a URL or domain.

Create v4 project

Create a Semrush v4 project for a domain.

Delete v4 project

Permanently delete a Semrush v4 project and all associated data.

Get v4 project

Get the full details of one accessible Semrush v4 project.

List v4 indexed pages

List v4 indexed backlink pages for a URL or domain.

Get v4 keyword metrics

Get Semrush v4 SEO and PPC metrics for one keyword and country.

List v4 projects

List Semrush v4 projects by ownership or sharing scope.

List v4 referring domains

List v4 referring domains for a URL or domain.

List v4 referring IPs

List v4 referring IP addresses for a URL or domain.

Update v4 project

Rename a Semrush v4 project.

Validate Listing Management location creation

Validate a Listing Management location payload without creating it or consuming a Local Pro location limit.

Validate Listing Management location update

Validate selected changes to a Listing Management location without applying them.

FAQ

Frequently asked questions

With a standalone Semrush MCP server, the agents and LLMs can only access a fixed set of Semrush tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Semrush and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Agent SDK fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Semrush tools.

Yes, absolutely. You can configure which Semrush scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Semrush data and credentials are handled as safely as possible.

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