Devtools Debugger MCP

start_node_debug

Launch a Node.js script with debugging enabled

stop_debug_session

Terminate the debugging session and clean up

set_breakpoint

Set a breakpoint at a specific file and line

set_breakpoint_condition

Set a conditional breakpoint or breakpoint by URL regex

add_logpoint

Add a logpoint that logs messages when hit

set_exception_breakpoints

Configure pause-on-exception behavior

resume_execution

Continue execution to the next breakpoint or completion

step_over

Step over the current line

step_into

Step into function calls

step_out

Step out of the current function

continue_to_location

Run until reaching a specific location

restart_frame

Restart execution from a specific call frame

inspect_scopes

Examine local variables, closures, and this context

evaluate_expression

Evaluate JavaScript expressions in the current context

get_object_properties

Drill down into object properties

list_call_stack

View the current call stack

get_pause_info

Get information about the current pause state

get_script_source

Retrieve source code for scripts

blackbox_scripts

Configure scripts to skip during debugging

read_console

Read console output captured during debugging