Set up Semrush MCP in Claude Desktop
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1
Locate the config file
Claude Desktop reads MCP server configuration from the following file:
~/Library/Application Support/Claude/claude_desktop_config.jsonCreate this file if it does not already exist.
2
Add the configuration
Add the following to your Claude Desktop config file:
json
{
"mcpServers": {
"semrush-mcp": {
"command": "npx",
"args": [
"-y",
"semrush-mcp"
],
"env": {
"SEMRUSH_API_KEY": "YOUR_SEMRUSH_API_KEY"
}
}
}
}3
Set up environment variables
Semrush MCP requires the following environment variables:
SEMRUSH_API_KEYRequiredSemrush API key (requires paid subscription)
4
Verify it works
Restart Claude Desktop. Semrush MCP should appear in your MCP server list with 12 tools available.
This server adds approximately 6,180 tokens to your context window for tool definitions.