Configure or diagnose SourceKit-LSP across SwiftPM, compilation databases, and build servers. Use for completion, navigation, refactoring, diagnostics, semantic tokens, indexing,…
Map observed or strongly evidenced malicious behavior to current MITRE ATT&CK techniques and platform context.
Build Hermes Agent skills, Python plugins, specialized providers, messaging adapters, memory and context engines, secret sources, desktop or dashboard extensions, MCP…
Guide SF Symbols selection, inspection, customization, rendering modes, variable color, symbol effects, animated symbols, custom symbols, accessibility semantics, availability…
Guide Xcode coding-intelligence setup, Xcode-hosted agents, external-agent access through xcrun mcpbridge, command and tool permissions, Xcode-only agent configuration homes, and…
Plan conversation identity, state, consent, escalation, transcript, and human-handoff behavior for bots and business messaging agents.
Connect an installed Hopper MCP server safely from Codex or Hermes for document navigation, assembly, pseudocode, strings, procedures, and cross-references with a private profile,…
Build or refactor an AppKit app feature on top of SwiftASB using explicit application, window, document, thread, and turn ownership with main-actor UI updates and clear runtime…
Build or modify idiomatic C# .NET projects using nullable-aware APIs, records/classes, async/task behavior, analyzer conventions, tests, and repo-local validation.
Choose the smallest macOS-hosted boundary for development, compatibility, or authorized security research.
Guide DeviceCheck and App Attest adoption in Apple-platform apps using DCDevice, DCAppAttestService, app IDs, entitlements, server challenges, attestation objects, assertions,…
Guide Apple Vision implementation and repair for text, barcode, face, landmark, rectangle, contour, saliency, trajectory, pose, segmentation, tracking, feature-print, and…
Guide native Apple-game MetalFX integration for spatial or temporal upscaling, frame interpolation, and temporal denoising.
Guide privacy-preserving PhotosUI media selection and PhotoKit authorization, limited-library access, assets, collections, fetches, change observation, image/video requests,…
Guide SceneKit game implementation, repair, and maintenance. Use when Codex works on SCNScene, SCNView, SCNNode, cameras, lights, materials, geometry, animation, 3D physics, .scn…
Guide ARKit TrueDepth face tracking, face anchors, geometry, topology, transforms, eye transforms, blend shapes, face-driven animation, world-plus-face tracking, body anchors,…
Align SwiftFormat, SwiftLint, formatter and linter responsibility, checked-in style config, Git hooks, and CI formatting policy for Swift repositories.
Manage and validate simulated and physical Apple devices through Xcode Device Hub. Use when selecting or inspecting run destinations, interacting with an app, changing…
Implement and evaluate activation steering, representation engineering, logit changes, or weight-space interventions.
Design evaluation workflows for agent, skill, prompt, and automation behavior before implementation. Use when choosing eval cases, graders, thresholds, regression runs, full-auto…
Prepare and reset clean macOS development guests on Apple silicon. Use for restore-image compatibility, VM identity, installation, resources, OS-version testing, signing, privacy,…
Implement Apple communication and Time Sensitive notifications with intent donation, Focus behavior, and a bounded Notification Service Extension processing path.
Inspect compiled Unity player, package, data, managed Mono, and IL2CPP artifacts across supported platforms.
Sync repo guidance for an existing Hummingbird server-side Swift repository when the user wants to add, merge, refresh, or align AGENTS.md, hb CLI, Server or Lambda, OpenAPI,…
Maintain checklist-style ROADMAP.md files against a hard-enforced canonical base schema with deterministic check-only and bounded apply modes.
Guide AVFAudio audio-session implementation and repair for Apple apps, including AVAudioSession categories, modes, options, activation, deactivation, record permission,…
Diagnose SwiftASB integration failures across Codex CLI discovery, app-server startup, initialization, threads, turns, approvals, MCP status, diagnostics, history paging, and…
Observe suspicious content in a disposable, instrumented environment. Use when execution, process ancestry, file changes, persistence, network behavior, configuration decryption,…
Plan, build, and validate Telegram Bot API integrations, webhooks or polling, inline interactions, and Mini Apps.
Design macOS MailKit extensions for content blocking, message actions, compose sessions, and message security with explicit privacy, capability, target, and validation boundaries.
Bootstrap a modular Apple .xcworkspace with Apps, Packages, XcodeGen app projects, and optional services.
Plan, build, and validate Discord apps, bots, commands, interactions, Gateway event handling, and Activities using current Discord documentation.
Choose a cloud deployment path before implementation. Route AWS work to the official AWS Agent Toolkit and Azure work to Microsoft's Azure Skills plugin while keeping credentials,…
Design framework-neutral agent and automation workflows before implementation. Use when choosing between Codex app automations, codex exec, Codex subagents, OpenAI Agents SDK…
Prioritize a validated or plausible vulnerability using actual asset exposure and impact. Use when affected versions, deployment reachability, attacker prerequisites, privileges,…
Guide GameplayKit simulation and gameplay-architecture work. Use when Codex works on GKEntity, GKComponent, GKComponentSystem, GKState, GKStateMachine, GKGraph, GKAgent, GKGoal,…
Guide AppKit app-structure decisions for macOS apps across app delegates, status-item menu bar apps, responder-chain menus, windows, controllers, restoration, archiving,…
Build or modify a Giraffe web application in idiomatic F#, using composable HttpHandler functions, explicit ASP.NET Core integration, configuration, authentication, and focused…
Generate a week-ahead Things planning digest with recent activity, upcoming deadlines, and concrete next actions.
Plan, build, test, and diagnose Apple Containerization and apple/container CLI workflows for server-side Swift services on Apple silicon, keeping Apple's container tooling…
Compare and select Core AI, Core ML, MLX, MLX Swift, MLX LM, ExecuTorch Apple delegates, or Foundation Models.
Plan, build, and validate Microsoft Teams bots and agents with Teams SDK or Microsoft 365 Agents SDK, Microsoft Entra, Adaptive Cards, and tenant deployment boundaries.
Choose the right application transport or real-time protocol before implementation. Use when Codex needs to route work across plain HTTP routes, HTTP/2, HTTP/3, QUIC, WebSocket,…
Diagnose macOS privacy permissions from the operation and responsible executable. Use for Accessibility, Automation, Developer Tools, recording or input, protected data, Full Disk…
Hunt scoped systems and telemetry for supplied security indicators or behaviors. Use for hashes, paths, domains, addresses, certificates, accounts, processes, commands,…
Guide AVFoundation media-pipeline implementation and repair, including AVCaptureSession, capture queues, AVPlayer, AVAsset async loading, AVAssetReader, AVAssetWriter, export,…
Design repeatable language-model capability, quality, behavior, regression, or safety evaluations. Use when creating cases and graders, comparing a treatment with a baseline, or…
Design, preview, validate, and integrate Apple app icons with Icon Composer. Use when a task mentions Icon Composer, .icon documents, Liquid Glass app icons, ictool preview…
Bootstrap new Swift Package Manager repositories with consistent defaults, generated AGENTS guidance, validation, and customizable bootstrap settings.
Bootstrap new Hummingbird server-side Swift services with the official hb CLI, CLI-selected Server or Lambda application shape, Hummingbird swift-configuration support, Fluent ORM…
Use this skill when the user wants a code path, flow, pipeline, request lifecycle, trace, walkthrough, or part of a system explained step by step from start to finish.
Bootstrap new Vapor server-side Swift services with the official Vapor CLI, Vapor Environment, Fluent ORM, PostgreSQL, CLI-generated Dockerfile and Docker Compose support,…