#schema

AI-safe .env files: Schemas for agents, Secrets for humans.

Symfony integration for the doctrine/migrations library

AI-native TypeScript bot framework — one codebase for 20+ chat platforms (QQ, Discord, Telegram, Slack, WeChat…). Opt-in AI agent with MCP, tools & security policies. <10MB core.

Confluent's Apache Kafka .NET client

The TypeScript implementation of Connect: Protobuf RPC that works.

A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.

ORM

The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines

Validate your env variables using Ajv and dotenv

A fluent API to generate JSON schemas

The most powerful data validation library for JS

Super-fast/easy runtime validators and serializers via transformation

A light-weight, flexible, and expressive statistical data testing library

A Typescript framework to help you get an API server up and running with I/O schema validation and custom middlewares in minutes.

Confluent Schema Registry for Kafka

High-precision, one-shot and consistent benchmarking framework/harness for Rust. All Valgrind tools at your fingertips.

ESLint plugin that adds custom linting rules to enforce best practices when using Zod

The lightweight, schema-first, and fully type-safe form library for React, Solid, Vue, Svelte and more.

Options Validation

Parse, Resolve, and Dereference JSON Schema $ref pointers in Node and browsers

Open-source Answer Engine Optimization (AEO) & Generative Engine Optimization (GEO) toolkit — audit, optimize & track whether ChatGPT, Perplexity, Gemini & Google AI Overviews cite your site. AI SEO / LLM SEO. CLI, Python, MCP, Astro.

PurRDF — one RDF 1.2 engine, one behavior, in Rust, Python, WebAssembly and C. Deterministic BM25 full-text search, exact GeoSPARQL 1.1 and embedding kNN answered from SPARQL, in-process, over one dataset: the three jobs a triple store usually kept PostgreSQL beside it for. Plus native codecs, RDFC-1.0, SHACL, ShEx, entailment and GTS transport.

Pothos GraphQL is library for creating GraphQL schemas in typescript using a strongly typed code first approach

Music streaming solution that works.

A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML

Plugin for converting OpenAPI 3.0 specs to the Postman Collection (v2) format

Comprehensive tooling for working with OpenAPI definitions.