MCP

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One MCP server at /mcp, with OAuth and nine tools. Any client that speaks MCP can use it: ChatGPT, Claude, Cursor, VS Code, n8n and future agents.

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Was Sie damit tun können

Price, address validation, draft, preview, confirmation, send, status, list and cancellation are separate tools.
The agent can prepare a draft, but only a server token issued after revalidation can authorize real mail.
send_letter requires explicit approval, a single-use confirmation token and a stable idempotency key.

Add https://sendletter.eu/mcp as a remote MCP server.
Follow the sign-in your client opens.
Start with a sandbox account: it runs the whole chain without printing or charging.

Oder fügen Sie die Adresse in einen beliebigen anderen MCP-Client ein.