debug is agent-read markdown (skill) from lstr-1/skills: Use when encountering any bug, test failure, build break, or unexpected behavior — runs a 4-phase systematic debugging process before proposing any fix. Iron Law: NO FIXES WITHOUT ROOT CAUSE INVESTIGATION FIRST. Produces a `.orchestrator/debug/` artifact the fixer agent must reference..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# Debug Skill
> 4-phase root-cause investigation. Iron Law: no fix without root cause.
## When to use
- Any test failure (unit, integration, E2E)
- Build break or compile error
- Runtime exception in production code
- Performance regression
- Integration issue between modules
- "It worked yesterday" bugs
## When NOT to use
- Feature implementation (use `/plan` or wave-executor)
- Pure refactoring with no broken behavior
- Style/lint fixes with no behavioral impact
## Phase 0: Bootstrap Gate
Read `skills/_shared/bootstrap-gate.md` and execute the gate check. If the gate is CLOSED, invoke `skills/bootstrap/SKILL.md` and wait for completion before proceeding. If the gate is OPEN, continue to Phase 1.
<HARD-GATE>
Do NOT proceed past Phase 0 if GATE_CLOSED. There is no bypass. Refer to `skills/_shared/bootstrap-gate.md` for the full HARD-GATE constraints.
</HARD-GATE>
## The Iron Law
> **NO FIXES WITHOUT ROOT CAUSE INVESTIGATION FIRST.**
No matter how obvious the fix looks, complete Phase 1 (Root Cause Investigation) and produce the artifact BEFORE writing any fix code. This is non-negotiable.
…
Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
GET https://markdownregistry.com/api/v1/artifacts/art_tl3uvexrnkctbdml
GET https://markdownregistry.com/api/v1/resolve?ref=lstr-1/skills/debug
GET https://markdownregistry.com/api/v1/blob/bf485612f24965c2184726989324c555fd7f1c53ddad060ec581fc7b83d3b454
Your agent does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
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