import { destination, pino, transport as buildTransport } from 'pino';
import { appConfig } from './config.js';
// Disable logging when running via stdio to avoid interfering with MCP protocol
const shouldLog = process.env.MCP_DISABLE_LOGS !== 'true' && !process.argv.includes('--silent');
const loggerDestination = (() => {
if (!shouldLog) {
return null;
}
const isPretty = process.env.NODE_ENV !== 'production' && process.stderr.isTTY;
if (isPretty) {
return buildTransport({
target: 'pino-pretty',
options: {
translateTime: 'SYS:standard',
colorize: true,
ignore: 'pid,hostname',
destination: 2
}
});
}
return destination({ fd: process.stderr.fd, sync: false });
})();
export const logger = shouldLog
? pino(
{
level: appConfig.logLevel,
base: { app: 'monica-crm-mcp' },
redact: {
paths: ['req.headers.authorization', 'req.headers["x-api-key"]', 'req.headers["x-user-token"]'],
remove: true
}
},
loggerDestination ?? undefined
)
: ({
info: () => {},
error: () => {},
warn: () => {},
debug: () => {},
trace: () => {},
fatal: () => {}
} as any);
