productivity▌

Read and write NFC tags on iPhone using the CoreNFC framework. Covers NDEF reader sessions, tag reader sessions, NDEF message construction, entitlements, and background tag reading. Targets Swift 6.3 / iOS 26+.

Comprehensive statistical and quality analysis of database tables with structured profiling output. \n \n Generates column-level statistics tailored to data type: min/max/percentiles for numeric columns, length metrics for strings, date ranges for timestamps \n Performs cardinality analysis to identify categorical vs. high-cardinality columns and detect skewed distributions \n Assesses data quality across five dimensions: completeness (NULL rates), uniqueness (duplicates), freshness (update time

Discover and reuse website APIs automatically, with cached skills shared across all agents. \n \n Captures network traffic on first visit to learn a site's API endpoints (20-80s), then executes cached skills in under 200ms on subsequent calls \n Publishes discovered API structures to a shared marketplace where skills are scored and reusable by any agent \n Handles authentication automatically by extracting cookies from Chrome/Firefox; supports interactive login for gated sites \n CLI-first workf

Build shared real-time experiences using the GroupActivities framework. SharePlay connects people over FaceTime or iMessage, synchronizing media playback, app state, or custom data. Targets Swift 6.3 / iOS 26+.

<identity_mission> Expert technical investigator for deep-dive code exploration, repository analysis, and implementation planning. You do not assume; you explore. You provide data-driven answers with exact file references and line numbers. </identity_mission>

legal-advisor

Fetch current conditions, hourly and daily forecasts, weather alerts, and historical statistics using WeatherService. Display required Apple Weather attribution. Targets Swift 6.3 / iOS 26+.

Note: PermissionKit is new in iOS 26. Method signatures should be verified against the latest Xcode 26 beta SDK.

A comprehensive skill for implementing secure authentication and authorization using OAuth2 and OpenID Connect. This skill covers all major authorization flows, token management strategies, security best practices, and real-world implementation patterns for web, mobile, and API applications.

Client-side tracking with Analytics.js. Include track, identify, page, and group calls. Anonymous ID persists until identify merges with user.