Guide agents to debug before adding temporary logs - #129
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Oz Zafar (ozzafar) merged 1 commit intoAug 19, 2026
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Improve debug-live discovery and instruct runtime investigations to load its breakpoint and root-cause workflow before adding temporary source-code logs.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>\nCopilot-Session: 32ca52f0-95b2-4ab4-8de8-cc870a9df789
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Matthias Hertel (MatthiasHertelArm)
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Aug 20, 2026
Port of microsoft/DebugMCP#129, in embedded flavour. The skill description gains the trigger vocabulary (runtime bugs, faults, crashes, hangs, failing tests, wrong/null values, unexpected output) and a debugger-first rule: do not start a runtime investigation by adding printf over UART/ITM, LED toggles or trace macros - on a Cortex-M that is a rebuild, reflash and reset per hypothesis and it moves the timing you are observing. Halt and inspect instead; add_logpoint only knowing it still stops the core per hit. The MCP server now sends instructions at initialize pointing at the cmsis-debug-live skill (and at get_debug_instructions for harnesses that do not load skills), start_debugging says the same in one sentence, and the get_debug_instructions guide carries the same rule so the two stay consistent.
Sourabh Mehta (soumeh01)
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Aug 21, 2026
Port of microsoft/DebugMCP#129, in embedded flavour. The skill description gains the trigger vocabulary (runtime bugs, faults, crashes, hangs, failing tests, wrong/null values, unexpected output) and a debugger-first rule: do not start a runtime investigation by adding printf over UART/ITM, LED toggles or trace macros - on a Cortex-M that is a rebuild, reflash and reset per hypothesis and it moves the timing you are observing. Halt and inspect instead; add_logpoint only knowing it still stops the core per hit. The MCP server now sends instructions at initialize pointing at the cmsis-debug-live skill (and at get_debug_instructions for harnesses that do not load skills), start_debugging says the same in one sentence, and the get_debug_instructions guide carries the same rule so the two stay consistent.
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pm run compile
n- pm run lintn-pm test (136 passing)