{
  "name": "firstsales",
  "description": "FirstSales.io MCP server: read-only email validation, DNS/DKIM/deliverability checks, domain age, spam-score and cold-email analysis, and public tutorial content.",
  "version": "1.0.0",
  "transport": "streamable-http",
  "url": "https://firstsales.io/mcp/",
  "documentation": "https://firstsales.io/developers/",
  "tools": [
    "validate_email",
    "check_disposable_email",
    "check_catchall_domain",
    "check_domain_dns",
    "check_dkim",
    "get_domain_age",
    "get_dns_records",
    "analyze_spam_score",
    "analyze_subject_line",
    "analyze_cold_email",
    "list_tutorials",
    "get_tutorial"
  ]
}