MCP server for BillingEngine: create invoices and customers and record payments from Claude, Cursor and other MCP clients.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add billingengine --env BILLINGENGINE_API_KEY='<BILLINGENGINE_API_KEY>' -- npx -y billingengine-mcp~/.codex/config.toml
[mcp_servers.billingengine]
command = "npx"
args = ["-y", "billingengine-mcp"]
env = { BILLINGENGINE_API_KEY = "<BILLINGENGINE_API_KEY>" }
# codex mcp add billingengine --env BILLINGENGINE_API_KEY='<BILLINGENGINE_API_KEY>' -- npx -y billingengine-mcp~/.cursor/mcp.json
{
"mcpServers": {
"billingengine": {
"command": "npx",
"args": [
"-y",
"billingengine-mcp"
],
"env": {
"BILLINGENGINE_API_KEY": "<BILLINGENGINE_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"billingengine": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"billingengine-mcp"
],
"env": {
"BILLINGENGINE_API_KEY": "<BILLINGENGINE_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"billingengine": {
"command": "npx",
"args": [
"-y",
"billingengine-mcp"
],
"env": {
"BILLINGENGINE_API_KEY": "<BILLINGENGINE_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"billingengine": {
"command": "npx",
"args": [
"-y",
"billingengine-mcp"
],
"env": {
"BILLINGENGINE_API_KEY": "<BILLINGENGINE_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"billingengine": {
"command": "npx",
"args": [
"-y",
"billingengine-mcp"
],
"env": {
"BILLINGENGINE_API_KEY": "<BILLINGENGINE_API_KEY>"
}
}
}
}Environment variables
BILLINGENGINE_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.