Individual skill
debugging-code
Interactively debug source code — set breakpoints, step through execution line by line, inspect live variable state, evaluate expressions against the running program, and navigate the call stack to trace root causes. Use when a program crashes, raises unexpected exceptions, produces wrong output, when you need to understand how execution reached a certain state, or when print-statement debugging isn't revealing enough.
skills/debugging-code/SKILL.md
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- Last checked
- Nov 11, 2026
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- Apr 17, 2026
- License
- MIT
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Read excerpt
# Interactive Debugger
Use when a program crashes, produces wrong output, or you need to understand exactly
how execution reached a particular state — and running it again with more print statements
won't give you the answer fast enough.
You can pause a running program at any point, read live variable values and the call stack
at that exact moment, step forward line by line or jump to the next breakpoint, and
evaluate arbitrary expressions against the live process — all without restarting.
## Setup
This skill uses `dap`, a CLI tool that background daemon to interact with the debugger via the DAP Protocol, maintain
the debugger state, so you can simply interact with it with multiple calls.