Install MailFlat in Claude Code
claude mcp add mailflat -e MAILFLAT_API_KEY=... -- uvx mailflat-mcp{
"mcpServers": {
"mailflat": {
"command": "uvx",
"args": [
"mailflat-mcp"
],
"env": {
"MAILFLAT_API_KEY": "..."
}
}
}
}Replace each ... with your own value.
Frequently asked questions
What does the MailFlat MCP server do?
Real email inboxes for AI agents: open an address, read the one-time code, send mail.
Is the MailFlat MCP server free?
The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.
Does MailFlat run locally or remotely?
Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.
How do I add MailFlat to Claude Code?
Run: claude mcp add mailflat -e MAILFLAT_API_KEY=... -- uvx mailflat-mcp
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