MCP server

Postbag Official

dev.postbag/mcp

Checked 25 Oct 2026, 21:11 UTC · Still published on its registry; checked against OSV.dev; never run by us

Form backend that routes: one tool per Postbag API operation, plus quickstart and explain.

Runs on your computerVerified publisher: postbag.dev

Website Source

At a glance

Type: MCP server
Publisher: postbag.dev (verified by the MCP Registry)
Status: Runs on your computer
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code
Last checked: 25 Oct 2026, 21:11 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. It then runs the package on your computer with your permissions. For other apps, copy the setup below.

Claude Code

claude mcp add postbag --env POSTBAG_API_KEY=YOUR_VALUE -- npx -y @postbag/mcp@0.1.1

Claude Desktop

{"mcpServers":{"postbag":{"command":"npx","args":["-y","@postbag/mcp@0.1.1"],"env":{"POSTBAG_API_KEY":"YOUR_VALUE"}}}}

Codex (config.toml)

[mcp_servers.postbag]
command = "npx"
args = ["-y","@postbag/mcp@0.1.1"]
env = { POSTBAG_API_KEY = "YOUR_VALUE" }

Gemini CLI

{"mcpServers":{"postbag":{"command":"npx","args":["-y","@postbag/mcp@0.1.1"],"env":{"POSTBAG_API_KEY":"YOUR_VALUE"}}}}

Cursor

{"mcpServers":{"postbag":{"command":"npx","args":["-y","@postbag/mcp@0.1.1"],"env":{"POSTBAG_API_KEY":"YOUR_VALUE"}}}}

VS Code

{"servers":{"postbag":{"type":"stdio","command":"npx","args":["-y","@postbag/mcp@0.1.1"],"env":{"POSTBAG_API_KEY":"YOUR_VALUE"}}}}

Runs on your computer with your permissions: check the package and its source before installing. Replace YOUR_VALUE with your own POSTBAG_API_KEY.

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