Set up Semrush MCP in Claude Code
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1
Locate the config file
Claude Code reads MCP server configuration from the following file:
~/.claude.jsonCreate this file if it does not already exist.
2
Add the configuration
You can configure Semrush MCP using the CLI command or by editing the config file directly.
Option A: CLI command
bash
claude mcp add semrush-mcp -e SEMRUSH_API_KEY=YOUR_SEMRUSH_API_KEY -- npx -y semrush-mcpOption B: 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 Code. 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.