Total 56,150 skills, Backend Development has 4426 skills
Showing 12 of 4426 skills
Create and sign JSON Web Tokens (JWTs) for testing and development. Use when the user wants to generate, create, build, or sign a JWT — e.g. "create a JWT", "generate a test token", "sign this payload", "make a JWT with these claims", "build an access token". Supports HMAC, RSA, and ECDSA algorithms.
Browse and retrieve (B2C/SFCC/Demandware) SCAPI OpenAPI schemas with the b2c cli. Always reference when using the CLI to browse SCAPI schemas, check API request/response formats, explore available endpoints, or understand SCAPI data models.
Guidelines for developing with Deno and TypeScript using modern runtime features, security model, and native tooling
Go interfaces, type assertions, type switches, and embedding from Effective Go. Covers implicit interface satisfaction, comma-ok idiom, generality through interface returns, interface and struct embedding for composition. Use when defining or implementing interfaces, using type assertions/switches, or composing types through embedding.
Shared domain models for Revet libraries - Metadata, Identifier, SchemaValidation
Expert guidance for building smart contracts on Stellar using the Soroban Rust SDK. Use this skill when working with Soroban smart contracts for tasks including (1) creating new contracts with [contract] and [contractimpl] attributes, (2) implementing storage with Persistent, Temporary, or Instance storage types, (3) working with auth contexts and authorization, (4) handling tokens and Stellar Asset Contracts, (5) writing tests with testutils, (6) deploying contracts, (7) working with events and logging, (8) using crypto functions, (9) debugging contract errors, (10) security best practices and vulnerability prevention, (11) avoiding common security pitfalls like missing authorization, integer overflow, or reinitialization attacks.
Python logging with loguru and platformdirs. TRIGGERS - loguru, structured logging, JSONL logs, log rotation, XDG directories.
Colyseus multiplayer patterns for Starwards - @gameField decorators, state sync, JSON Pointer commands, room architecture, and avoiding common Colyseus pitfalls; state is source of truth, server authoritative
FastAPI web framework patterns. Triggers on: fastapi, api endpoint, dependency injection, pydantic model, openapi, swagger, starlette, async api, rest api, uvicorn.
Expert technical advisor with deep reasoning for architecture decisions, code analysis, and engineering guidance. Masters complex tradeoffs, system design, security architecture, performance optimization, and engineering best practices. Use when making critical architecture decisions, after implementing significant work, when debugging complex issues, encountering unfamiliar patterns, facing security/performance concerns, or evaluating multi-system tradeoffs. Provides comprehensive analysis with clear recommendations and rationale.
Implementation workflows and decision trees for ERPNext Server Scripts. Use when determining HOW to implement server-side features: document validation, automated calculations, API endpoints, scheduled tasks, permission filtering. Triggers: how do I implement server-side, when to use server script vs controller, which script type, build custom API, automate validation, schedule task, filter documents per user.
Use when syncing contacts or lists to HubSpot CRM. Automatically uses HUBSPOT_API_TOKEN from environment.