Individual skill

axiom-build

Use when ANY iOS or macOS build fails, a crash log needs diagnosing, a test run crashes, Xcode misbehaves, or an environment issue blocks work before code is the suspect. Covers build failures, dependency conflicts, simulator diagnostics.

axiom-codex/skills/axiom-build/SKILL.md

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Scanner rules are current: No
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Observed behavior: Not checked yet
Last checked: Nov 10, 2026

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Repository stars (not skill ratings): 1,259
Repository last updated: Nov 8, 2026
License: MIT

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

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SKILL.mdcore · 20,309 bytes
SKILL.mdcore · 20,309 bytes
agents/openai.yamlasset · 179 bytes
skills/build-debugging.mddoc · 20,083 bytes
skills/build-performance.mddoc · 30,271 bytes
skills/lldb-ref.mddoc · 14,267 bytes
skills/lldb.mddoc · 22,362 bytes
skills/xcode-debugging.mddoc · 13,396 bytes

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# Build & Environment

**You MUST use this skill for ANY build, environment, or Xcode-related issue before debugging application code.**

**Bundled tools on Claude Code:** if `command -v <tool>` finds nothing (hooks off or `--bare`), use `<plugin-root>/tools/<tool>` in place of the bare name; `<plugin-root>` is two levels above this skill's `Base directory for this skill:` path.

<!-- AXIOM_AUDITOR_INLINE_BEGIN — rewritten for Codex by scripts/build-codex.ts; do not hand-edit -->
> **Auditors are skills here.** Where this router says "Launch `some-auditor` agent", invoke the
> matching Codex skill instead — same procedure, no Claude Code agent required.
>
> Available: `axiom-modernize`, `axiom-scan-security-privacy`.
>
> The ones that shell out — builds, tests, simulators, crash symbolication — need shell access to run.
<!-- AXIOM_AUDITOR_INLINE_END -->