# Communication MCP servers online

Check the source documentation for each connection.

2 MCP servers. Also on the [web page](https://mcpdirectory.fyi/ch/global/online/category/communication).

## MCP servers

1. [Apple Mail Mcp](https://mcpdirectory.fyi/ch/global/online/apple-mail-mcp-2.md), Communication, Online: Fast local Apple Mail MCP: indexed search, full-text bodies, verified sends, triage. macOS.
2. [Postbag](https://mcpdirectory.fyi/ch/global/online/postbag.md), Developer tools, Online: Local Claude Code and Codex sessions on one machine exchange letters through native inputs.

## Other categories in Online

- [Developer tools](https://mcpdirectory.fyi/ch/global/online/category/developer-tools.md): 8 MCP servers
- [Data and databases](https://mcpdirectory.fyi/ch/global/online/category/data-databases.md): 5 MCP servers
- [Finance and crypto](https://mcpdirectory.fyi/ch/global/online/category/finance-crypto.md): 3 MCP servers
- [Knowledge and memory](https://mcpdirectory.fyi/ch/global/online/category/knowledge-memory.md): 3 MCP servers
- [Search and research](https://mcpdirectory.fyi/ch/global/online/category/search-research.md): 3 MCP servers
- [Security](https://mcpdirectory.fyi/ch/global/online/category/security.md): 3 MCP servers
- [Cloud and DevOps](https://mcpdirectory.fyi/ch/global/online/category/cloud-devops.md): 2 MCP servers
- [Productivity and collaboration](https://mcpdirectory.fyi/ch/global/online/category/productivity-collaboration.md): 2 MCP servers
- [Ecommerce](https://mcpdirectory.fyi/ch/global/online/category/ecommerce.md): 1 MCP server
- [Health and science](https://mcpdirectory.fyi/ch/global/online/category/health-science.md): 1 MCP server