MuPag Sandbox Payments runs on your own machine — the client starts it, so there is no endpoint to ping. 47 installs a week from npm.
Sandbox-only MuPag MCP server for approved payments, subscriptions, refunds, and reconciliation.
Nothing serious here today
Today is the operative word: we check MuPag Sandbox Payments every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
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 mcp-server -e 'MUPAG_API_KEY=<MUPAG_API_KEY>' -e 'MUPAG_ENV=<MUPAG_ENV>' -- npx -y @mupag/mcp-server{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@mupag/mcp-server"
],
"env": {
"MUPAG_API_KEY": "<MUPAG_API_KEY>",
"MUPAG_ENV": "<MUPAG_ENV>"
}
}
}
}[mcp_servers.mcp-server]
command = "npx"
args = ["-y", "@mupag/mcp-server"]
env = { MUPAG_API_KEY = "<MUPAG_API_KEY>", MUPAG_ENV = "<MUPAG_ENV>" }{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@mupag/mcp-server"
],
"env": {
"MUPAG_API_KEY": "<MUPAG_API_KEY>",
"MUPAG_ENV": "<MUPAG_ENV>"
}
}
}
}{
"servers": {
"mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mupag/mcp-server"
],
"env": {
"MUPAG_API_KEY": "<MUPAG_API_KEY>",
"MUPAG_ENV": "<MUPAG_ENV>"
}
}
}
}Put your own values in place of
<MUPAG_API_KEY> (MuPag sandbox secret key beginning with sk_test_), <MUPAG_ENV> (Fixed sandbox environment for this release).
The author’s registry entry marks them as required.
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MuPag Sandbox Payments — questions
Answers built from our own checks of this server.