> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://mezmo.ferndocs.com/client-side-logging/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://mezmo.ferndocs.com/_mcp/server.

# Mezmo Client-Side Logger

> You can use Mezmo's Node.js client for logging client-side JavaScript applications

You can now use Mezmo’s Node.js library (version 3.0.1+) to log your client-side JavaScript applications to Mezmo. The library sends logs directly from your end users to Mezmo’s ingestion servers, so you can collect vital operational and debugging information without having to print logs to the console. The library offers a complete feature set including multiple log levels, customizable metadata, and the ability to add tags.

## GitHub Repository

For complete information about setting up and using  the Mezmo Client-Side Logger, check out the source code and documentation in our GitHub repository.
[https://github.com/logdna/logger-node](https://github.com/logdna/logger-node)

> You can use Mezmo's Node.js client for logging client-side JavaScript applications