Postbag MCP Server
by faahimdev.postbag/mcpv0.1.1
Form backend that routes: one tool per Postbag API operation, plus quickstart and explain.
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Active19d ago
Install Postbag MCP server
Install in Claude Code
claude mcp add postbag -e POSTBAG_API_KEY='<postbag-api-key>' -- npx -y @postbag/mcpInstall in Cursor
{
"mcpServers": {
"postbag": {
"command": "npx",
"args": [
"-y",
"@postbag/mcp"
],
"env": {
"POSTBAG_API_KEY": "<postbag-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"postbag": {
"command": "npx",
"args": [
"-y",
"@postbag/mcp"
],
"env": {
"POSTBAG_API_KEY": "<postbag-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"postbag": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@postbag/mcp"
],
"env": {
"POSTBAG_API_KEY": "<postbag-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"postbag": {
"command": "npx",
"args": [
"-y",
"@postbag/mcp"
],
"env": {
"POSTBAG_API_KEY": "<postbag-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| POSTBAG_API_KEY | yes | yes | A Postbag API key (pb_live_… or pb_test_…). Mint one at https://postbag.dev/app or with `postbag login`. |
| POSTBAG_API_URL | — | — | Base URL of the Postbag API. Defaults to https://postbag.dev — set this only for a self-hosted instance. |
Freshness
Active — last maintenance signal 19d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-21 · 19d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-21 · 49d ago · official registry · v0.1.1
FAQ
›How do I install the Postbag MCP server in Claude Code?
Run: claude mcp add postbag -e POSTBAG_API_KEY='<postbag-api-key>' -- npx -y @postbag/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Postbag require an API key?
Yes. It expects POSTBAG_API_KEY, of which 1 is a secret.
›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 dev.postbag/mcp.