Usps MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 274 installs a week from npm.
USPS shipping, tracking, address validation, and label creation.
The linked repository no longer exists on GitHub — it was deleted or made private.
We have not read this server's code yet, 16 d ago · rules ccca72095570
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
пакет usps-mcp ссылается на mrfentmen/awesome-servers
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add usps-mcp -- npx -y usps-mcp
{
"mcpServers": {
"usps-mcp": {
"command": "npx",
"args": [
"-y",
"usps-mcp"
]
}
}
}
[mcp_servers.usps-mcp]
command = "npx"
args = ["-y", "usps-mcp"]
{
"mcpServers": {
"usps-mcp": {
"command": "npx",
"args": [
"-y",
"usps-mcp"
]
}
}
}
{
"servers": {
"usps-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"usps-mcp"
]
}
}
}
Optional settings from the registry entry, left out of the block above:
USPS_API_KEY (USPS API key), USPS_USERNAME (USPS username for basic auth), USPS_PASSWORD (USPS password for basic auth), USPS_API_URL (USPS API base URL (default: https://api.usps.com)).
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Answers built from our own checks of this server.