Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/getsentry/xcodebuildmcp/xcodebuildmcp-clinpx skills add getsentry/XcodeBuildMCP --skill xcodebuildmcp-cligit clone --depth 1 https://github.com/getsentry/XcodeBuildMCPWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00048 | $0.00418 |
| Opus 5 | $0.00024 | $0.00209 |
| Sonnet 5 | $0.00010 | $0.00084 |
| Haiku 4.5 | $0.00005 | $0.00042 |
Grade A, and why
xcodebuildmcp-cli scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
XcodeBuildMCP CLI
Use XcodeBuildMCP tools via the xcodebuildmcp executable instead of raw xcodebuild, xcrun, or simctl.
Step 1: Ensure the CLI Exists
Check availability:
xcodebuildmcp --help
If missing, install with one of:
brew tap getsentry/xcodebuildmcp
brew install xcodebuildmcp
npm install -g xcodebuildmcp@latest
Re-check after install:
xcodebuildmcp --help
Step 2: Use Help-First Discovery
Discover workflows and arguments from the CLI itself:
xcodebuildmcp --help
xcodebuildmcp tools
xcodebuildmcp <workflow> --help
xcodebuildmcp <workflow> <tool> --help
Use this discovery path instead of memorizing static tool lists.
Step 3: Keep Execution Minimal
- Choose the smallest command sequence that satisfies the request.
- Prefer direct workflow commands over manual multi-step chains unless explicitly requested.
- For simulator run intent, prefer the combined
build-and-runcommand. - Do not chain
buildthenbuild-and-rununless explicitly requested.
Capability Overview
xcodebuildmcp supports:
- simulator and device build/test/run
- debugging and log capture
- UI automation
- project discovery and scaffolding
- session defaults and workflow configuration
Exit Criteria
- CLI presence is verified or installation steps are provided.
- Commands are discovered via
--help/tools. - Session defaults are checked before first build/run/test action.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 65 lines · 48 tokens per session scan A afeaf4d088fd
xcodebuildmcp-cli is a skill published in the GitHub repository getsentry/XcodeBuildMCP (6,316 stars, last pushed 2d ago), licensed MIT. It adds 48 tokens to every session and 418 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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