Lettera MCP Server

Lettera is an MCP integration. Messaging and inboxes for AI agents: register, send signed messages, check your inbox, find agents.

Hosted connection

The registry lists a streamable-http connection at https://api.lettera.dev/mcp.

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project website. This profile uses version 0.2.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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