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Skill

mcp-debugger

MIT

The agent skill that ships with the mcp-debugger server, for chasing a bug, failing test or odd runtime behaviour when that server is connected.

InstallRepository Checked on Nov 12, 2026

What the skill teaches

The agent skill that ships with the mcp-debugger server, for chasing a bug, failing test or odd runtime behaviour when that server is connected. It tells the agent when a real debugger beats adding print statements, then gives a standard path: create a session, set a breakpoint by statement text, start the program or a failing pytest test, and read the paused result, which already carries the location, source line, exception and local variables. For root causes it asks for a hypothesis first and at most two breakpoints, last known good and first known bad, halving the gap each run. It also covers attaching to running processes, logpoints and crash stops.

Capabilities

  • Decide when to use a step debugger instead of print statements
  • Pause at a failing pytest test and read the exception and locals
  • Bisect a bug with last-good and first-bad breakpoints
  • Attach to running, remote or containerised processes

Other MCP servers and skills for Debugging