#openapi

The action firewall for AI agents. Enforce policy and human approval before risky tool calls, shell commands, workflows, and production changes, with auditable evidence.

Golang Fuego - Web framework generating OpenAPI 3 spec from source code - Pluggable to existing Gin & Echo APIs

Tools to generate an OAI spec from go source

🧡 The meta framework for code generation. Automate OpenAPI to type-safe TypeScript, Zod, and TanStack Query with a modular, plugin-based engine.

Super-fast/easy runtime validators and serializers via transformation

The AI-Native Infrastructure for Enterprise Apps. Powered by ObjectStack (ObjectQL, ObjectOS, Object UI). Turn Prompts into Enterprise Software.

Build beautiful, interactive API Docs with embeddable React or Web Components, powered by OpenAPI and Markdown.

Rust client for the Datadog API

Alibaba Cloud CLI

Kiota serialization provider implementation for Go and JSON

Generate modern Python clients from OpenAPI

expose REST APIs from a Rust program

NestJS Helper + AI Chatbot Development

All NestJS + Zod utilities you need

A node package wrapper for https://github.com/OpenAPITools/openapi-generator

Laravel-Swagger is a fully automate tool which allows to generate and save swagger-based documentation after successful completing your application's feature tests.

Huma REST/HTTP API Framework for Golang with OpenAPI 3.1

⚖️ Probatio. A modern, maintained data validation library for Python. Clean-room, MIT-licensed, drop-in reimplementation of voluptuous.

OpenAPI Diff and Breaking Changes

libopenapi is a fully featured, high performance OpenAPI 3.2, 3.1, 3.0, Overlays and Arazzo parser, library, validator and toolkit for go applications.

Comprehensive tooling for working with OpenAPI definitions.

Eliminate API integration headaches with Specmatic's no-code AI-powered API development suite. Teams ship APIs 10x faster by transforming specifications into executable contracts instantly—no coding required, no integration surprises.

Metadata-driven CLI for AI Agent Bots — 48 operations across 7 domains, structured JSON envelope I/O, zero interactive prompts.

Comprehensive Go protobuf toolkit for building type-safe HTTP APIs with automatic validation, OpenAPI docs, and low number of dependencies

🕸️ GraphQL Federation Framework for any API services such as REST, OpenAPI, Swagger, SOAP, gRPC and more...

A tool for generating Refit interfaces and contracts from OpenAPI (Swagger) specifications

A PDF viewer that seamlessly integrates with any JavaScript project

Ruby SDK for Kleister

Every API has a secret identity. This finds it, absorbs every feature from every competing tool, then builds the GOAT CLI — designed for AI agents first, with SQLite sync, offline search, and compound insight commands.

Type-safe dynamic forms library for Angular 21 signal forms