Capped search, maps and other paid APIs over MCP, with hard dollar limits per key.
Connect Runs on your machine
claude mcp add spend-brake -e BRAKE_KEY=<BRAKE_KEY> -e BRAKE_URL=<BRAKE_URL> -e BRAKE_API_URL=<BRAKE_API_URL> -- npx -y @spend-brake/[email protected]{
"mcpServers": {
"spend-brake": {
"command": "npx",
"args": [
"-y",
"@spend-brake/[email protected]"
],
"env": {
"BRAKE_KEY": "<BRAKE_KEY>",
"BRAKE_URL": "<BRAKE_URL>",
"BRAKE_API_URL": "<BRAKE_API_URL>"
}
}
}
}{
"mcpServers": {
"spend-brake": {
"command": "npx",
"args": [
"-y",
"@spend-brake/[email protected]"
],
"env": {
"BRAKE_KEY": "<BRAKE_KEY>",
"BRAKE_URL": "<BRAKE_URL>",
"BRAKE_API_URL": "<BRAKE_API_URL>"
}
}
}
}{
"servers": {
"spend-brake": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@spend-brake/[email protected]"
],
"env": {
"BRAKE_KEY": "<BRAKE_KEY>",
"BRAKE_URL": "<BRAKE_URL>",
"BRAKE_API_URL": "<BRAKE_API_URL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
BRAKE_KEYRequired, secret | A Spend Brake virtual key (sb_live_…); its caps apply to every call |
BRAKE_URLRequired | The Spend Brake proxy, e.g. https://proxy.spendbrake.dev |
BRAKE_API_URLRequired | The Spend Brake admin API, for the budget tool and for --admin, e.g. https://app.spendbrake.dev |
Details
| Package | @spend-brake/[email protected] (NPM, stdio) |
| First published | 9 Nov 2026 |
| Last updated | 9 Nov 2026 |
| Registry name | io.github.KIvanow/spend-brake |
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