# Node.js Debugger
> Connects Claude Code to Node.js's Inspector Protocol for real-time debugging capabilities, enabling breakpoint setting, variable inspection, and code execution stepping without leaving the conversation interface.
Canonical: https://www.mcpfolio.com/servers/node-js-debugger
Last updated: 2026-10-28
## Catalog record

- Publisher: workbackai
- Categories: development

## Website

https://hyperdrive.engineering/

## Repository

https://github.com/workbackai/mcp-nodejs-debugger

## Transports

stdio

## Authentication

No credentials were configured; the tested read-only tool “inspect_variables” succeeded in an isolated environment. Other tools may have additional requirements.

## Tools

- **nodejs_inspect**: Executes JavaScript code in the debugged process
- **set_breakpoint**: Sets a breakpoint at specified line and file
- **inspect_variables**: Inspects variables in current scope
- **step_over**: Steps over to the next line of code
- **step_into**: Steps into function calls
- **step_out**: Steps out of current function
- **continue**: Continues code execution
- **delete_breakpoint**: Deletes a specified breakpoint
- **list_breakpoints**: Lists all active breakpoints
- **evaluate**: Evaluates a JavaScript expression in the current context
- **get_location**: Gets the current execution location when paused
- **get_console_output**: Gets the most recent console output from the debugged process
- **retry_connect**: Manually triggers a reconnection attempt to the Node.js debugger

## Sources

- [MCP.Directory public profile](https://mcp.directory/servers/node-js-debugger)
- [Linked publisher repository](https://github.com/workbackai/mcp-nodejs-debugger)
- [npm-declared package repository](https://github.com/hyperdrive-eng/mcp-nodejs-debugger)
- [npm registry metadata](https://registry.npmjs.org/%40hyperdrive-eng%2Fmcp-nodejs-debugger)
- [maintainer_repository_documentation](https://github.com/workbackai/mcp-nodejs-debugger)

## Setup

Use the interactive setup panel on [the detail page](https://www.mcpfolio.com/servers/node-js-debugger) to view instructions for each supported client.