MCP Servers / development / MCP JS Debugger

MCP JS Debugger

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none★ 2development

Debug JavaScript and TypeScript applications through the Chrome DevTools Protocol with full source map support.

github ↗

Install

How to run this server

[ { "cmd": "npx mcp-js-debugger", "imports": [] } ]

server path: mcp-js-debugger

Tools

What this server exposes

connect_debugger

Connect to a CDP endpoint via WebSocket URL

disconnect_debugger

Disconnect from a debugging session

set_breakpoint

Set a breakpoint by URL and line number

remove_breakpoint

Remove a breakpoint by ID

list_breakpoints

List all breakpoints in a session

resume_execution

Resume execution after pause

step_over

Step over the current statement

step_into

Step into a function call

step_out

Step out of the current function

pause_execution

Pause running execution

get_call_stack

Get the current call stack with source locations

evaluate_expression

Evaluate a JavaScript expression

get_scope_variables

Get variables in a scope

set_variable_value

Modify a variable's value

set_pause_on_exceptions

Configure exception handling

get_original_location

Map generated to original source location

get_script_source

Get script source code

list_scripts

List loaded scripts

Configuration

Environment & auth

authnone

Resources

githubhttps://github.com/johngrimes/mcp-js-debugger ↗