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Email Preflight

Official registry Productivity

x402 v2 payment requests; relays compatible clients' signed payments to the existing product API.

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http email-preflight 'https://email-preflight-mcp.onrender.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "email-preflight": {
            "type": "http",
            "url": "https://email-preflight-mcp.onrender.com/mcp"
        }
    }
}

Frequently asked questions

What is Email Preflight?

x402 v2 payment requests; relays compatible clients' signed payments to the existing product API.

How do I install Email Preflight?

It runs as a remote server. In Claude Code: claude mcp add --transport http email-preflight 'https://email-preflight-mcp.onrender.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Email Preflight need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Email Preflight?

It is published by tasuyoapp-ctrl. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.