xcodebuildmcp
Official skill for XcodeBuildMCP. Use when doing iOS/macOS/watchOS/tvOS/visionOS work (build, test, run, debug, log, UI automation).
Install with Tessl CLI
npx tessl i github:getsentry/XcodeBuildMCP --skill xcodebuildmcp90
Does it follow best practices?
If you maintain this skill, you can automatically optimize it using the tessl CLI to improve its score:
npx tessl skill review --optimize ./path/to/skillValidation for skill structure
Evaluation results
92%
74%iOS Project Onboarding Workflow Guide
Session init and discovery workflow
session_show_defaults first
0%
100%
discover_projs conditionally
0%
100%
No speculative discovery
100%
100%
No raw CLI tools
50%
100%
Combined build-and-run used
0%
100%
No standalone build before run
0%
100%
Reports active defaults context
0%
20%
session_show_defaults purpose
0%
100%
XcodeBuildMCP tool names used
50%
100%
Context includes all three fields
0%
100%
Without context: $0.4085 · 1m 51s · 29 turns · 658 in / 5,704 out tokens
With context: $0.3937 · 1m 51s · 21 turns · 282 in / 5,631 out tokens
96%
2%Enabling Advanced XcodeBuildMCP Capabilities
Enabling non-default workflows
Check workflows first
66%
100%
Correct config file path
100%
100%
Reload/restart required
100%
100%
Simulator default only
100%
100%
Non-default capabilities named
100%
100%
Tool availability workflow-gated
100%
100%
Actionable steps ordered
80%
80%
Config directory structure
100%
75%
Cause of unavailability
100%
100%
Resolution applies generally
100%
100%
Without context: $0.9728 · 3m 52s · 49 turns · 172 in / 9,649 out tokens
With context: $0.2835 · 1m 13s · 16 turns · 19 in / 3,569 out tokens
86%
58%iOS Simulator Build and Run Runbook
Build-run preference and failure reporting
Combined build-and-run preferred
0%
100%
Separate build+run discouraged
0%
30%
No standalone build before build-and-run
0%
100%
Active defaults context reported
0%
100%
Context fields: project/workspace
0%
100%
Context fields: scheme
0%
100%
Context fields: simulator/device
50%
100%
Exact failing step in failure report
91%
100%
Next actionable command in failure report
50%
41%
Context also in failure report
25%
100%
XcodeBuildMCP tools referenced
100%
100%
Without context: $0.2598 · 1m 44s · 11 turns · 15 in / 5,480 out tokens
With context: $0.2830 · 1m 36s · 18 turns · 311 in / 4,485 out tokens
- Evaluated
- Agent
- Claude Code
Table of Contents
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