MCP JS Debugger
JSON →Debug JavaScript and TypeScript applications through the Chrome DevTools Protocol with full source map support.
Install
npx mcp-js-debugger Tools · 18
- 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
Links
★ 2 GitHub stars