MCP server

postbag

Repository:: github.com/parasxos/postbag
Homepage:: pypi.org/project/postbag/
Stars:: 11
Last push:: 2026-10-03
License:: MIT

Local Claude Code and Codex sessions on one machine exchange letters through native inputs.

Good fit for

One-command install
Runs fully local
MIT license

Facts

Category: Developer tools
Pricing: Unknown
Authentication: Unknown
Transport: stdio
Hosting: Local
Maker: Unknown
Access: Unknown
Language: Python
Install method: uvx
Operating system: macOS, Linux
Client: Unknown
License: Permissive
Maintenance: Active

Install

claude mcp add --transport stdio postbag -- uvx --with 'postbag[mcp]==2.3.0' postbag mcp

Paste into claude_desktop_config.json

{
  "mcpServers": {
    "postbag": {
      "command": "uvx",
      "args": [
        "--with",
        "postbag[mcp]==2.3.0",
        "postbag",
        "mcp"
      ]
    }
  }
}

Paste into ~/.cursor/mcp.json

{
  "mcpServers": {
    "postbag": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "--with",
        "postbag[mcp]==2.3.0",
        "postbag",
        "mcp"
      ]
    }
  }
}

Paste into .vscode/mcp.json

{
  "servers": {
    "postbag": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "--with",
        "postbag[mcp]==2.3.0",
        "postbag",
        "mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "postbag": {
      "command": "uvx",
      "args": [
        "--with",
        "postbag[mcp]==2.3.0",
        "postbag",
        "mcp"
      ]
    }
  }
}

[mcp_servers.postbag]
command = "uvx"
args = ["--with", "postbag[mcp]==2.3.0", "postbag", "mcp"]

{
  "mcpServers": {
    "postbag": {
      "command": "uvx",
      "args": [
        "--with",
        "postbag[mcp]==2.3.0",
        "postbag",
        "mcp"
      ]
    }
  }
}

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Score: 65

Popularity: 27
Maintenance: 100
Trust: 73
Completeness: 85
Community: 50

Formula version 1

Listed in:

Official MCP Registry, awesome-mcp-servers.

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