MuPag Sandbox Payments runs on your own machine — the client starts it, so there is no endpoint to ping. 41 installs a week from npm.
Sandbox-only MuPag MCP server for approved payments, subscriptions, refunds, and reconciliation.
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.
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 -- npx -y @mupag/mcp-server
{
"mcpServers": {
"mcp-server": {
"args": [
"-y",
"@mupag/mcp-server"
],
"command": "npx"
}
}
}
[mcp_servers.mcp-server]
command = "npx"
args = ["-y", "@mupag/mcp-server"]
{
"mcpServers": {
"mcp-server": {
"args": [
"-y",
"@mupag/mcp-server"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"mcp-server": {
"args": [
"-y",
"@mupag/mcp-server"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
MUPAG_API_KEY (MuPag sandbox secret key beginning with sk_test_.), MUPAG_ENV (Fixed sandbox environment for this release.).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.