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Found 200 Skills
Use when designing data ownership, validation boundaries, consistency models, or configuration strategy in Python. Also use when encountering unclear ownership across modules, shared mutable state leaking between layers, validation gaps at ingress, cross-module transactional coupling, or config drift between environments.
Create layered architecture diagrams using HTML/CSS templates with color-coded layers and grid layouts. Best for visualizing system layers (User→Application→Data→Infrastructure), microservices architecture, and enterprise application design. NOT for pixel-perfect custom diagrams (use drawio), simple flowcharts (use mermaid), or data visualization (use vega).
LOAD THIS SKILL when: implementing new features with TDD, user mentions 'TDD', 'test-first', 'red-green-refactor', 'failing test', or when building Effect services that need thorough testing. Covers TDD methodology, Red-Green-Refactor cycle, Effect service testing with mock layers, and test-first development workflow.
Thread-safe data persistence in Swift using actors — in-memory cache with file-backed storage. Use when building local storage layers, offline-first patterns, or any shared mutable state that needs both concurrency safety and disk persistence.
Guide fee disclosure compliance across advisory, brokerage, fund, and retirement plan contexts. Use when the user asks about Form ADV Item 5 fee schedules, prospectus fee table format, Reg BI cost disclosure obligations, 12b-1 fee transparency, revenue sharing arrangements, wrap fee program costs, or ERISA 408(b)(2) service provider fee disclosure. Also trigger when users mention 'hidden fees', 'total cost to the client', 'are we disclosing all layers of fees', 'expense ratio comparison', 'fee billing in advance vs arrears', 'share class selection', 'indirect compensation', or ask whether fee disclosures are complete and compliant.
End-to-end retail ETL pipeline using PySpark, SQL Server, and Medallion Architecture (Bronze/Silver/Gold layers) for data warehousing
Enforces Effect-TS patterns for services, errors, layers, and atoms. Use when writing code with Effect.Service, Schema.TaggedError, Layer composition, or effect-atom React components.
AWS CloudFormation patterns for Lambda functions, layers, event sources, and integrations. Use when creating Lambda functions with CloudFormation, configuring API Gateway, Step Functions, EventBridge, SQS, SNS triggers, and implementing template structure with Parameters, Outputs, Mappings, Conditions, cross-stack references, and best practices for cold start optimization.
Validate at every layer data passes through to make bugs impossible. Use when invalid data causes failures deep in execution, requiring validation at multiple system layers.
End-to-end Initia development and operations guide. Use when asked to build Initia smart contracts (MoveVM/WasmVM/EVM), build React frontends (InterwovenKit or EVM direct JSON-RPC), launch or operate Interwoven Rollups with Weave CLI, or debug appchain/transaction integration across these layers.
Expert guidance for SQLAlchemy 2.0 + Pydantic + PostgreSQL. Use when setting up database layers, defining models, creating migrations, or any database-related work. Automatically activated for DB tasks.
Translate Sketch layers into production-ready code with 1:1 visual fidelity using Sketch MCP tools (`run_code`, `get_selection_as_image`) for live design context, screenshots, and asset export. Use when implementing or updating UI from an open Sketch document, current selection, or specific Sketch layer IDs.