Postbag MCP Server
by parasxosio.github.parasxos/postbagv2.3.0
Local Claude Code and Codex sessions on one machine exchange letters through native inputs.
context tax
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security
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cold start
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freshness
Active7d ago
Install Postbag MCP server
Install in Claude Code
claude mcp add postbag-parasxos -- uvx postbag mcpInstall in Cursor
{
"mcpServers": {
"postbag-parasxos": {
"command": "uvx",
"args": [
"postbag",
"mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"postbag-parasxos": {
"command": "uvx",
"args": [
"postbag",
"mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"postbag-parasxos": {
"type": "stdio",
"command": "uvx",
"args": [
"postbag",
"mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"postbag-parasxos": {
"command": "uvx",
"args": [
"postbag",
"mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| POSTBAG_CODEX | — | — | Path to the codex executable for Codex delivery when several are installed. |
Freshness
Active — last maintenance signal 7d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-03 · 7d ago · GitHub
Latest release
2026-10-03 · 7d ago · GitHub · v2.3.0
Package published
no data · npm/PyPI
Registry entry updated
2026-10-03 · 7d ago · official registry · v2.3.0
FAQ
›How do I install the Postbag MCP server in Claude Code?
Run: claude mcp add postbag-parasxos -- uvx postbag mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Postbag require an API key?
No required environment variables are declared in its published metadata.
›Can I use Postbag as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Postbag in the official MCP registry?
Yes, as io.github.parasxos/postbag.
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