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Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark
Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 100/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add dev.workers.cybermax-tools.cybermax/send-email https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registryReview the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-10-10T16:15:00.434783Z",
"publishedAt": "2026-10-10T16:15:00.434783Z",
"statusChangedAt": "2026-10-10T16:15:00.434783Z"
}
},
"server": {
"name": "dev.workers.cybermax-tools.cybermax/send-email",
"_meta": {
"io.modelcontextprotocol.registry/publisher-provided": {
"note": "Runs as an Apify Actor through Apify's hosted MCP server; send your own Apify token as the Authorization header (without it the endpoint answers 401 by design).",
"apify": "https://apify.com/cybermax/send-email",
"store": "https://cybermaxtools.com/store/",
"pricing": {
"paid": "Pay per result on Apify (billed to your own Apify account)"
},
"support": "cybermax.tools@gmail.com",
"security": "https://cybermaxtools.com/.well-known/security.txt",
"publisher": "CyberMax",
"categories": [
"email",
"automation"
]
}
},
"icons": [
{
"src": "https://cybermaxtools.com/store/img/letterkeel-send-email-icon.webp",
"sizes": [
"96x96"
],
"mimeType": "image/webp"
}
],
"title": "Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry",
"type": "streamable-http",
"headers": [
{
"name": "Authorization",
"isSecret": true,
"isRequired": true,
"description": "Your Apify API token, as 'Bearer <apify-api-token>'. Runs are billed per email recipient accepted to your Apify account."
}
]
}
],
"version": "1.0.1",
"websiteUrl": "https://cybermaxtools.com/store/letterkeel-send-email/",
"description": "Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark"
}
}