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cameroncookecameroncooke/XcodeBuildMCP/.agents/skills/mobilebuildmcp-runtime-boundary-review/SKILL.md

mobilebuildmcp-runtime-boundary-review

Skill6.5k starsChanged 51 days agoMITView on GitHub

Use when reviewing MobileBuildMCP runtime boundary changes across MCP, direct CLI invocation, daemon-routed tools, and Xcode IDE bridge routing.

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The file

We split this skill into the rules it gives an agent

3 rules. About 0 are common, 3 are distinctive, and 0 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈3

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Do not edit product code unless the user explicitly requests implementation changes.

    line 13
  2. Distinctive:

    Do not treat daemon as a third manifest availability mode.

    line 31
  3. Distinctive:

    Avoid silent fallbacks and parallel invocation paths.

    line 35

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

MobileBuildMCP Runtime Boundary Review

Review guardrails for runtime routing and invocation boundaries.

Review scope

  • Review-only by default.
  • Do not edit product code unless the user explicitly requests implementation changes.

Files to inspect

  • src/runtime/tool-catalog.ts
  • src/runtime/tool-invoker.ts
  • src/runtime/types.ts
  • src/cli/**
  • src/daemon/**
  • manifests/tools/*.yaml
  • manifests/workflows/*.yaml
  • xcodebuildmcp.com/app/docs/_content/architecture-runtime-boundaries.mdx
  • xcodebuildmcp.com/app/docs/_content/architecture-manifest-visibility.mdx

Guardrails

  • MCP, CLI, and daemon paths use shared handlers.
  • Stateful CLI tools route through daemon only when routing.stateful requires it.
  • Do not treat daemon as a third manifest availability mode.
  • Dynamic Xcode IDE tools keep daemon routing semantics.
  • Catalog filtering respects availability, workflow selection, and predicates.
  • Runtime failures surface via runtime/rendering status and fragments.
  • Avoid silent fallbacks and parallel invocation paths.

Validation

  • npm test -- src/runtime/__tests__/tool-invoker.test.ts
  • npm run typecheck
  • npx skill-check .agents/skills/mobilebuildmcp-runtime-boundary-review

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