Programmatic temp email inboxes for QA tests and AI agents. 8 MCP tools, free tier 50 inboxes/month, MCP server published as @mailsink/mcp on npm.
Server Config
{
"mcpServers": {
"mailsink": {
"command": "npx",
"args": [
"-y",
"@mailsink/mcp"
],
"env": {
"MAILSINK_API_KEY": "msk_..."
}
}
}
}