Build type-safe REST APIs, GraphQL services, and WebSocket servers with Elysia on Bun.
npx skills add https://github.com/lammesen/skills --skill elysiajs-expert
Please help me install this Agent Skill. Skill: elysiajs-expert Source: https://github.com/lammesen/skills/tree/main/.claude/skills/elysiajs-expert Command: npx skills add https://github.com/lammesen/skills --skill elysiajs-expert
This Skill provides comprehensive guidance for building high-performance, type-safe web apps with Elysia on Bun, including routing, validation with TypeBox, Eden type-safe clients, authentication, plugins, testing, and deployment patterns.
Spin up a minimal Elysia app, add OpenAPI docs and authentication, then run with bun.
High-intent search queries and answers about installing and using this skill.
Elysia on Bun provides end-to-end type safety through TypeBox validation and Eden type-safe clients. Define routes with validators, and Eden automatically infers types for client calls, eliminating runtime type mismatches and enabling autocomplete across your API surface.
Yes. Elysia's official JWT plugin handles Bearer token validation, and the OpenAPI plugin auto-generates interactive docs from your route definitions and TypeBox schemas. Both integrate seamlessly into your routing lifecycle without manual configuration.
TypeBox validation in Elysia lets you define schemas once and reuse them for request validation, OpenAPI documentation, and type inference. Validation errors are caught at the route level before reaching your handlers.
Elysia supports WebSocket servers and GraphQL services through official plugins. Both integrate with your existing routes, middleware, and lifecycle hooks, maintaining type safety and consistent error handling.
Elysia provides testing patterns compatible with standard test runners and supports production deployment through Bun's native bundling and optimization. Official plugins and deployment patterns ensure observability and reliability in production environments.
JWT and cookie-based authentication patterns in Elysia enable role-based access control through custom middleware and lifecycle hooks. Extract claims from tokens and enforce permissions at the route or handler level.
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