Dual-agent ordering-decision arena with a McDonald's China MCP client; labeled scenario-data demo; live calls and schema mapping await token verification.
Fast, easy and reliable testing for anything that runs in a browser.
TypeScript-first schema validation with static type inference
Dead simple Object schema validation
Build production-ready applications in TypeScript
A React component for building Web forms from JSON Schema.
๐ ย Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more.
Generate types and converters from JSON, Schema, and GraphQL
๐ฎ Graphile's Crystal Monorepo; home to Grafast, PostGraphile, pg-introspection, pg-sql2 and much more!
A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.
The adaptive interface system for modern web experiences.
The modular and type safe schema library for validating structural data ๐ค
JSON Schema Type Builder with Static Type Resolution for TypeScript
Super-fast/easy runtime validators and serializers via transformation
:wrench: Utility library for GraphQL to build, stitch and mock GraphQL schemas in the SDL-first approach
Automatically generates beautiful and easy-to-read ER diagrams from your database.
AI-safe .env files: Schemas for agents, Secrets for humans.
A standard interface for TypeScript schema validation libraries
A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.
๐ JSON powered / Dynamic forms for Angular
Modern data layer for TypeScript apps - type-safe ORM, built-in access control, automatic query services
Documentation tool built for software architecture. Document your domains, services, events and schemas โ for your teams and your AI agents.
Open-source manufacturing ERP, MES and QMS. Quoting, MRP, inventory, shop floor, quality and lot/serial traceability on one Postgres schema, with a REST API and MCP server. Self-host or use Carbon Cloud.
Customizable JSON Schema-based forms with React, Angular and Vue support out of the box.
Supabase CLI. Manage postgres migrations, run Supabase locally, deploy edge functions. Postgres backups. Generating types from your database schema.
The AI-native JSON Gantt chart engine. Dependency-free interactive timelines with React, script-tag, CLI, topological DAG solver, and formal JSON schema.
๐ Validation resolvers: Yup, Zod, Superstruct, Joi, Vest, Class Validator, io-ts, Nope, computed-types, typanion, Ajv, TypeBox, ArkType, Valibot, effect-ts, VineJS and Standard Schema
Run AI models locally on your machine with node.js bindings for llama.cpp. Enforce a JSON schema on the model output on the generation level
A library of custom GraphQL Scalars for creating precise type-safe GraphQL schemas.
The TypeScript implementation of Connect: Protobuf RPC that works.
A JavaScript-driven M5Stack-embedded super-kawaii robot.
๐ต๏ธโโ๏ธ Validate schema, get schema change notifications, validate operations, find breaking changes, look for similar types, schema coverage
Design database schemas as ERDs in your browser, VS Code, JetBrains IDEs or Obsidian. Import SQL, DBML and GraphQL, export DDL and code, and let coding agents edit live over MCP.
Generate JSON schema from your Typescript sources
Protocol Buffers for ECMAScript. The only JavaScript Protobuf library that is fully-compliant with Protobuf conformance tests.
A library that generates OpenAPI (Swagger) docs from Zod schemas
Give your AI agent n8n superpowers. 537 nodes with full schemas, 7,700+ templates, Git-like sync, and TypeScript workflows.
Angular Material admin template.
Simple config handling for your app or module
Surrealist is the ultimate way to visually manage your SurrealDB database
Embeddable JSON form builder for React, Angular, Vue, and plain JavaScript. Drag-and-drop UI, your backend.
JSON-LD TypeScript types for Schema.org vocabulary
Toolkit for generating complex GraphQL Schemas on Node.js
The lightweight, schema-first, and fully type-safe form library for React, Solid, Vue, Svelte and more.
One configuration for all your GraphQL tools (supported by most tools, editors & IDEs)
๐ช Generate Kysely types directly from your Prisma schema!
Parse, Resolve, and Dereference JSON Schema $ref pointers in Node and browsers
A Typescript framework to help you get an API server up and running with I/O schema validation and custom middlewares in minutes.
ESLint parser, plugin, and rule set for GraphQL (for schema and operations). Easily customizable with custom rules. Integrates with IDEs and modern GraphQL tools.
Turns Markdown / MDX, YAML, JSON, or others into app's data layer with Zod schema.
Compile Zod schemas into zero-overhead validation functions at build time. Works with Vite, webpack, esbuild, Rollup, etc
Automatically seed your database with production-like dummy data based on your schema for local development and testing.
OpenAPI 3 and 3.1 schema generator and validator for Hono, itty-router and more!
Query arrays of JSON objects with where, search, select, orderBy, limit, schema and joins. Typed, dependency-free, fast on large arrays.
๐น TypeScript HTTP Framework focusing on e2e type-safety, easy setup, performance & great developer experience
Schemas used to author and validate Resource Manager Templates. These schemas power the intellisense and syntax completion in our ARM Tools VSCode extension, as well as the Export Template API
Collection of useful integrations & components for the Astro ecosystem. โญ๏ธ Star to support our work!
Hardware as fast as software.
Generate object types, inputs, args, etc. from prisma schema file for usage with @nestjs/graphql module
Spot is a concise, developer-friendly way to describe your API contract.