Inbox Check — Email Deliverability Test
Quality Score
90
/100
Email inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex (SPF/DKIM/DMARC).
§01 Install
Claude Desktop (claude_desktop_config.json)
{
"mcpServers": {
"inbox-check": {
"command": "npx",
"args": [
"-y",
"ldm-inbox-check-mcp"
],
"env": {
"INBOX_CHECK_API_KEY": "<your-inbox_check_api_key>",
"INBOX_CHECK_BASE_URL": "https://check.live-direct-marketing.online"
}
}
}
}Cursor (.cursor/mcp.json)
{
"mcpServers": {
"inbox-check": {
"command": "npx",
"args": [
"-y",
"ldm-inbox-check-mcp"
],
"env": {
"INBOX_CHECK_API_KEY": "<your-inbox_check_api_key>",
"INBOX_CHECK_BASE_URL": "https://check.live-direct-marketing.online"
}
}
}
}Cline (cline_mcp_settings.json)
npx -y ldm-inbox-check-mcp§02 Environment variables
INBOX_CHECK_API_KEYrequiredsecret
Bearer API key for Inbox Check service (starts with icp_live_)
INBOX_CHECK_BASE_URLOverride base URL for self-hosted deployments
§03 MCP Quality Score · methodology
freshness
25
completeness
20
installability
25
documentation
15
stability
5
§04 Alternatives in Email
Fiber AI
ai.fiber/mcp
Search companies, enrich contacts, and reveal emails and phones from your AI agent.
MailJunky
ai.mailjunky/mcp
Send emails, track events, and manage contacts with MailJunky.
RadiusOS CRM
ai.radiusos.www/crm
34-tool CRM server — contacts, pipeline, quotes, invoices, scheduling, email, and AI scoring.