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DimensioniOS Simulator MCP ServerInteract with and inspect iOS simulators through MCP.Context7Upstash's official server providing up-to-date third-party library docs for AI coding assistants
FMRS56 / 100 · C80 / 100 · B
Reliability8 / 2014 / 20
Security and permissions10 / 2016 / 20
Maintenance10 / 2017 / 20
Documentation15 / 2015 / 20
Setup experience13 / 2018 / 20
Best for
  • Teams developing or performing QA with macOS, Xcode, and iOS simulators
  • Users who want an AI assistant to perform mobile UI validation through MCP
  • Developers checking the iOS accessibility tree and UI responses
  • Developers using fast-moving frameworks/libraries worried about the AI suggesting stale code
  • Scenarios wanting zero-config documentation lookup
Not for
  • Environments without macOS, Xcode, or iOS simulators
  • Testing scenarios that require a physical iOS device
  • Tasks that do not need simulator control, inspection, or app installation
  • Looking up internal/private codebase documentation (Context7 targets publicly published open-source libraries)
  • Cases needing very high coverage of obscure, niche libraries (coverage depends on what Context7's platform has indexed)
Required permissions
  • Requires access to the iOS Simulator and Xcode tools on macOS.
  • Requires Facebook IDB; by default, idb is resolved from PATH, or IOS_SIMULATOR_MCP_IDB_PATH can specify a custom path.
  • Screenshot and video features need write access to the output directory; the default is ~/Downloads, configurable with IOS_SIMULATOR_MCP_DEFAULT_OUTPUT_DIR.
  • App installation and launch require an application path or bundle identifier.
  • Usable without an API key (subject to a free-tier rate limit); CONTEXT7_API_KEY is an optional credential for higher quota
  • Read-only documentation lookup — no code execution or local filesystem access involved
Risks and side effects
  • ui_tap, ui_type, ui_swipe, install_app, and launch_app can change simulator or application state.
  • Screenshots and videos may save simulator screen content to local files.
  • Versions below 1.3.3 have command injection vulnerabilities; the README states this is fixed and recommends version 1.3.3 or later.
  • Text input supports ASCII printable characters only.
  • The free tier has limited quota — high-frequency use may hit rate limits
  • Documentation content comes from Context7's platform index, so its accuracy and freshness depend on that platform's crawl cadence
Supported clientsCursor, Claude CodeClaude Code, VS Code, Cursor, Cline, Amp
Tools142