💫 Toolkit to help you get started with Spec-Driven Development

A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code by TÂCHES.

Spec-driven development (SDD) for AI coding assistants.

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

🎒 Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware JSON for LLM prompts. Spec, benchmarks, TypeScript SDK.

gRPC to JSON proxy generator following the gRPC HTTP spec

🌍  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.

The canonical spec for ulid

Technically-oriented PDF Collection (Papers, Specs, Decks, Manuals, etc)

Generate TypeScript types from OpenAPI 3 specs

Petition to open source Flash and Shockwave spec

Make it a fun to create spec for developers and teammates

The CocoaPods Master Repo

generate release PRs based on the conventionalcommits.org spec

A spec compliant, secure by default PHP OAuth 2.0 Server

Test suites for Web platform specs — including WHATWG, W3C, and others

Automatic integrate all Xiaomi devices to HomeAssistant via miot-spec, support Wi-Fi, BLE, ZigBee devices. 小米米家智能家居设备接入Hass集成

The ESTree Spec

Spec-driven development for large codebases

A powerful meta-prompting, context engineering and spec-driven development system that enables agents to work for long periods of time autonomously without losing track of the big picture

CommonMark spec, with reference implementations in C and JavaScript

Connexion is a modern Python web framework that makes spec-first and api-first development easy.

Multi-Language Vulkan/GL/GLES/EGL/GLX/WGL Loader-Generator based on the official specs.

A CSS preprocessor that acts like a polyfill for future versions of the spec.

Agent OS is a system for injecting your codebase standards and writing better specs for spec-driven development.

Browser extension that generates API specs for any app or website

A Model Context Protocol (MCP) server that provides structured spec-driven development workflow tools for AI-assisted software development, featuring a real-time web dashboard and VSCode extension for monitoring and managing your project's progress directly in your development environment.

Ethereum Proof-of-Stake Consensus Specifications

A suite of polyfills supporting the HTML Web Components specs

Easy OpenAPI specs and Swagger UI for your Flask API