Total 44,322 skills, Backend Development has 3834 skills
Showing 12 of 3834 skills
Mercury Banking API via curl. Use this skill to manage bank accounts, transactions, transfers, and financial operations.
Reverse engineer web APIs by capturing browser traffic (HAR files) and generating production-ready Python API clients. Use when the user wants to create an API client for a website, automate web interactions, or understand undocumented APIs. Activate on tasks mentioning "reverse engineer", "API client", "HAR file", "capture traffic", or "automate website".
Creates Rails models using TDD approach - spec first, then migration, then model. Use when creating new models, adding model validations, defining associations, or setting up database tables.
Execute database operations via Supabase MCP (query/write/migration/logs/type generation). Triggers: query/statistics/export/insert/update/delete/fix/backfill/migrate/logs/alerts/type generation. Does not trigger for: pure architecture discussion or code planning. Write operations require confirmation; UPDATE/DELETE without WHERE is refused.
Scala 3.4+ development specialist covering Akka, Cats Effect, ZIO, and Spark patterns. Use when building distributed systems, big data pipelines, or functional programming applications.
Deep Node.js internals expertise including C++ addons, V8, libuv, and build systems
Patterns for Atlas database schema management covering HCL/SQL schema definitions, versioned and declarative migrations, linting analyzers, testing, and project configuration. Use when working with atlas.hcl, .hcl schema files, Atlas CLI commands, or database migrations.
Run Maven builds using the ccmvn tool, which provides Maven proxy support for sandboxed environments. Use this skill when you need to run Maven commands like clean install, package, test, or compile.
Use when implementing SDK code hooks for custom logic (not spec configuration or runtime overrides). Covers SDK lifecycle hooks: BeforeRequest, AfterSuccess, AfterError for custom headers, telemetry, HMAC signing, and request/response transformation. Triggers on "SDK hooks", "add hooks", "BeforeRequestHook", "custom logic in SDK", "telemetry hook", "SDK middleware", "intercept requests", "HMAC signing hook", "custom code in hooks directory".
Used to standardize DAO files to ensure compliance with Drizzle ORM best practices, including file structure, method naming, type safety, and performance optimization. Use when you need to refactor or create DAO files to meet project standards.
Help developers write Services in accordance with project guidelines, following the best practices of the tRPC + Service + DAO architecture. Provide guidance on Service structure, dependency injection, error handling, code examples, templates, boilerplate code generation, and best practice validation. Use this when creating or refactoring Service files in the codebase.
NEAR Protocol smart contract development in Rust. Use when writing, reviewing, or deploying NEAR smart contracts. Covers contract structure, state management, cross-contract calls, testing, security, and optimization patterns. Based on near-sdk v5.x with modern macro syntax.