# Lettio MCP (slim) > Lettio MCP, an MCP server by lettio.eu, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send. - Full: https://www.anchorterminal.com/tools/lettio-mcp.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/lettio-mcp.json · canonical https://www.anchorterminal.com/tools/lettio-mcp - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 # Lettio MCP > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by lettio.eu (https://lettio.eu) - Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md) - Listed because: It's published in the registry under lettio.eu, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send. ## Facts - MCP registry: `eu.lettio/mcp` 0.1.2 - Endpoint: https://mcp.lettio.eu/mcp (streamable HTTP) - Package: npm `@lettio/mcp` (stdio) - Source: https://github.com/lettio-eu/mcp - npm downloads a week: 39 - GitHub stars: 0 - Registry entry updated: 2026-09-15 ## Tools - Tools: the endpoint asks for credentials before listing them (checked 2026-10-04 22:25 UTC) - JSON: https://www.anchorterminal.com/api/v1/tools/lettio-mcp.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming