Total 31,167 skills, Backend Development has 3057 skills
Showing 12 of 3057 skills
Expert-level MongoDB database design, aggregation pipelines, indexing, replication, and production operations
SOLID principles, hexagonal architecture, ports and adapters, and DDD tactical patterns for maintainable backends. Use when implementing clean architecture, decoupling services, separating domain logic, or creating testable architecture.
Laravel v12 - The PHP Framework For Web Artisans
Upgrade Laravel applications one major version at a time (9→10, 10→11, 11→12). Use when user wants to upgrade their Laravel framework version. Auto-detects current version from composer.json, identifies breaking changes, and applies necessary code fixes.
Python full-stack with FastAPI, React, PostgreSQL, and Docker.
Use when FastAPI validation with Pydantic models. Use when building type-safe APIs with robust request/response validation.
This skill should be used whenever domain modeling is taking place. It provides specialized guidance for type-driven and data-driven design based on Rich Hickey and Scott Wlaschin's principles. The skill helps contextualize current modeling within the existing domain model, identifies inconsistencies, builds ubiquitous language, and creates visualizations (Mermaid, Graphviz/DOT, ASCII diagrams) to communicate domain concepts clearly. Use this skill when designing types, modeling business domains, refactoring domain logic, or ensuring domain consistency across a codebase.
This skill should be used when the user asks to "create BAP identity", "new BAP", "Type42 identity", "Legacy BAP identity", "generate BAP", "set up BAP identity", "initialize BAP", or needs to create Bitcoin Attestation Protocol identities using the bap CLI.
This skill should be used when the user asks to "create a script template", "add a new template to ts-templates", "create a BitCom template", "build an OP_RETURN template", or mentions creating templates for protocols like SIGMA, AIP, MAP, BAP, B. Guides creation of @bsv/sdk ScriptTemplate implementations.
This skill should be used when the user asks to "sign a message", "verify a signature", "use BSM", "use BRC-77", "implement Sigma signing", "create signed messages", "authenticate with Bitcoin", or mentions message signing, signature verification, or authentication protocols on BSV.
This skill should be used when the user asks to "implement BRC-100 wallet", "use wallet-toolbox", "TypeScript BSV wallet", "BRC-100 implementation", "desktop wallet", "Electron wallet", "browser wallet", "IndexedDB wallet storage", "wallet actions", "wallet baskets", "UTXO management", "createAction", "listOutputs", "wallet certificates", or needs guidance on building conforming wallets using @bsv/wallet-toolbox.
Supabase backend development workflow. Use for ANY backend work in Supabase projects — schema changes, API endpoints, database functions, RLS policies, edge functions, auth, storage, business logic, or data access. Activate whenever the task involves server-side logic, data layer, or Supabase features.