Productivity · Local MCP server

Outbox

Multi-channel messaging MCP server for Slack, Telegram, Email, KakaoTalk, and Discord.

What the MCP Registry states

The entry as published to the official MCP Registry (read 2026-10-04), latest version.

Registry name
io.github.fieldcure/outbox
Version
2.1.3
Status
Active
Category
productivity
Transport
stdio (local process)
Package
NuGet
Published
2026-05-25
Updated
2026-05-25
Publisher
fieldcure (GitHub) · 6 servers with pages here
Listed under
Slack MCP servers, Discord MCP servers, Telegram MCP servers, Email MCP servers
Repository
github.com/fieldcure/fieldcure-mcp-outbox
Source
Registry API entry

Packages

RegistryPackageVersionTransportEnvironment variables
NuGetruntime: dnxFieldCure.Mcp.Outbox2.1.3stdioNone declared

How to connect Outbox

Outbox runs locally from a .NET package published to NuGet: FieldCure.Mcp.Outbox version 2.1.3. It speaks MCP over stdio, so the client starts it as a program and talks to it through standard input and output. It needs the .NET SDK; run as a .NET tool; the entry names dnx as the runtime.

Derived from the registry entry, not tested here. What the server does, and on what terms, is set by its publisher; check its repository or website before giving it access to your accounts or files. How to add an MCP server to an assistant · Before you connect

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