curl --request POST \
  --url https://app.moltsets.com/mcp/ \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "method": "tools/call",
    "params": {
      "name": "get_billing",
      "arguments": {}
    }
  }'

{
    "jsonrpc": "2.0",
    "id": null,
    "result": {
        "content": [
            {
                "type": "text",
                "text": "{\"plan\":\"free\",\"subscription_status\":\"none\",\"credit_balance\":250,\"unlimited\":false,\"current_period_start\":null,\"current_period_end\":null,\"credit_costs\":{\"business_email_to_personal_hem\":1,\"enrich_email\":1,\"enrich_personal_email\":1,\"enrich_phone\":1,\"get_account\":1,\"get_billing\":1,\"get_usage\":1,\"hem_to_best_linkedin\":1,\"hem_to_business_profile\":1,\"hem_to_email\":1,\"hem_to_linkedin\":1,\"hem_to_maid\":1,\"ip_to_company\":1,\"ip_to_hem\":1,\"ip_to_maid\":1,\"linkedin_slug_search\":1,\"linkedin_to_best_personal_email\":1,\"linkedin_to_business_profile\":1,\"linkedin_to_hashed_emails\":1,\"linkedin_to_mobile_phone\":1,\"linkedin_to_personal_email\":1}}"
            }
        ],
        "isError": false
    }
}