guolola / SoftJL

Turn requirements into UML diagrams, test cases and editable Word specs—with traceability. Self-hosted, bring your own AI model. Built for capstone and course projects.

google / ax

Declarative Kubernetes-style orchestrator that runs sandboxed autonomous agent tasks on Agent Substrate, with workspaces and model specs.

microsoft / flint-chart

🪄 Flint is a visualization language that lets AI agents reliably create expressive, good-looking charts from simple, human-editable chart specs.

buildermethods / agent-os

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

gotalab / cc-sdd

Turn approved specs into long-running autonomous implementation. A minimal, adaptable SDD harness with Agent Skills for Claude Code, Codex, Cursor, Copilot, Windsurf, OpenCode, Gemini CLI, and Antigravity.

open-mercato / open-mercato

The AI-Engineering Foundation Framework for business apps: open-source TypeScript, with multi-tenancy, RBAC, events and domain modules already decided as conventions and specs, so Cursor, Claude Code and Codex build features instead of re-deciding architecture. Start with 80% done.

spec-kitty / spec-kitty

Spec-Driven Development with organizational governance. Specs tell AI agents what to build; Charter governs how they build it. Git-native missions, enforceable workflows, and consistent engineering standards across AI coding agents and harnesses.

dzhng / skills

Reusable AI agent skills for software factories: explore ideas, write specs, implement, review, and run autonomous research. Works with Claude Code, Codex, and other skill-compatible agents.

specstoryai / getspecstory

Install our local first extensions for your favorite AI IDE or Terminal Agent. Process your histories into reusable skills with Lore. Sync your conversations to the cloud. File issues and requests.

cabloy / cabloy

Cabloy is a Node.js fullstack framework for AI vibe coding, with AI Spec-Driven Development guiding work from confirmed specs to verifiable delivery.

pullboard-dev / pullboard

Autonomous development for real products. Governed agents build from specs you approve, follow the rules you set, and nothing merges until another agent proves it. Your decisions, judgement and taste are the bar that work must clear. Declare your vision and let agents build it.

blakebratcher / bitwig-nitro-tools

Offline reverse-engineering toolchain for Bitwig Studio's Nitro DSP format — decrypt, decompile, and read the DSP behind every native device and Grid module. Tools + format specs only; no Bitwig source or keys.

tpn / pdfs

Technically-oriented PDF Collection (Papers, Specs, Decks, Manuals, etc) — browse & search it at tpn.github.io/pdfs

openapi-ts / openapi-typescript

Generate TypeScript types from OpenAPI 3 specs

CocoaPods / Specs

The CocoaPods Master Repo

Dav1dde / glad

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

ethereum / consensus-specs

Ethereum Consensus Specifications

Azure / azure-rest-api-specs

The source for REST API specifications for Microsoft Azure.

elegantapp / pwa-asset-generator

Automates PWA asset generation and image declaration. Automatically generates icon and splash screen images, favicons and mstile images. Updates manifest.json and index.html files with the generated images according to Web App Manifest specs and Apple Human Interface guidelines.

thephpleague / commonmark

Highly-extensible PHP Markdown parser which fully supports the CommonMark and GFM specs.

phodal / routa

Workspace-first multi-agent coordination platform for AI development, with shared Specs, Kanban orchestration, and MCP/ACP/ A2A support across web and desktop.

libp2p / specs

Technical specifications for the libp2p networking stack

ipld / ipld

This repo holds Website and Specs at https://ipld.io

speced / bikeshed

:bike: A preprocessor for anyone writing specifications that converts source files into actual specs.

ipfs / specs

Technical specifications for the IPFS protocol stack

ethereum / execution-specs

Specification for the Execution Layer. Tracking network upgrades.

daveshanley / vacuum

vacuum is the worlds fastest and most versatile OpenAPI, Arazzo, AsyncAPI & JSON Schema linter, docs generator and toolkit. It tears through API specs at light speed. 100% compatible with Spectral rulesets, and OpenAPI 3.0, 3.1 and 3.2

postmanlabs / openapi-to-postman

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

adrg / xdg

Go implementation of the XDG Base Directory Specification and XDG user directories

microsoft / DirectX-Specs

Engineering specs for DirectX features.

etorreborre / specs2

Software Specifications for Scala

gmickel / flow-next

Faster than your agent alone. And better. A workflow plugin that takes a bug, idea or ticket to a verified pull request: specs, cross-model review by risk, live QA, receipts in your repo. Claude Code · Codex · Cursor · Droid · Grok Build · OpenCode · Muse Code.

janephp / janephp

:seedling: Jane is a set of libraries to generate Models & API Clients based on JSON Schema / OpenAPI specs

apideck-libraries / portman

Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽‍🚀

ruby / spec

The Ruby Spec Suite aka ruby/spec

exoego / rspec-openapi

Generate OpenAPI schema from RSpec request specs

mosonlab / anneal

You write the specs. It clears the board: coding agent chains plan, review, implement, verify and merge unattended on your own machine, on the GPT and Claude subscriptions you already have.

js713-lab / sonic-match-mcp

MCP server that watches video footage and returns license-safe BGM matches, hook windows, and ffmpeg ducking specs for agents.

Humphrey4data / tableau-to-hex-skill

Agent skill for migrating Tableau, Looker, and Power BI dashboards to Hex apps: extract specs, rebuild with Hex AI, verify parity

promovaweb / specsfy

O Specsfy ajuda você a transformar uma ideia em software testado sem espalhar requisitos, planos e tarefas por vários arquivos.

maanimeisam / Google-Flow-Helper

Unlocks Google Flow limitations by patching API responses based on remote specs.

leftzzzz / agents-spec-skill

Portable Agent Skill to audit AGENTS.md, organize engineering specs, and keep shared documentation consistent across Codex, Claude Code, Cursor, and more.

Moeeryani / Vibe-Coding-Production-Kit

Production-grade vibe coding framework with specs, architecture, AI agents, testing, security, code review, CI/CD, and battle-tested workflows — from idea to production.

sherifican / Agent-FleetOps

Operational tooling & discipline for multi-agent AI engineering fleets — mutation-proven guards, a Textual terminal monitor, generalized skills, and specs. Every check ships with proof it can fail.

dageainiu / public-api-catalog

Curated catalog of public REST APIs with OpenAPI specs, endpoint indexes, and crawlable docs for developers and search tools.

riekelt / technical-writer

Engineering writing skills for agents: specs, ADRs, changelogs, runbooks, migration guides, postmortems. Every claim sourced, no AI tells

jordanhubbard / literate-ai

A meta-harness for coding agents to follow proper Software Development Lifecycle practices. Can also write code from specs. Based on literate programming ideas from Donald Knuth

backnotprop / product-engineering

Agent skills for the product process: design, build, review, behavior specs, verification recordings, brand assets.

web-platform-tests / wpt

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