# Mailbox.org MCP Server

> Mailbox.org MCP Server — soenkenils-mailbox-mcp-server. Use this tool when you need to integrate email and calendar services with a secure interface, enabling features like email search, composition, and management, as well as calendar access and customization. It solves problems related to email and calendar organization, synchronization, and security, providing a locally-hosted solution for users. The tool accepts inputs like email credentials and filter configurations, and outputs include searched emails, composed emails, and updated calendar events.

Canonical page: https://skillsregistry.net/skills/soenkenils-mailbox-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/soenkenils-mailbox-mcp-server

## Description

Integrates mailbox.org email and calendar services with Claude, enabling email search, composition, management, calendar access, and Sieve email filter configuration through a secure, locally-hosted interface.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/f20s2wvsbm)
- **Repository:** <https://github.com/soenkenils/mailbox-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "soenkenils-mailbox-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/soenkenils-mailbox-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/soenkenils-mailbox-mcp-server/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt