Codegen Python Packages

ariadne-codegen

Generate fully typed Python client for any GraphQL API from schema, queries and mutations

graphql-query

Complete Domain Specific Language (DSL) for GraphQL query in Python.

polyxml

XSD-to-code compiler and streaming XML runtime for Rust, Python, Go, C++, Java, TypeScript, and C#.

multilspy

multilspy is a lsp client library in Python intended to be used to build applications around language servers.

reflectapi-runtime

Code-first web service API declaration and client generation for TypeScript, Rust, and Python

spikard

Codegen-first polyglot web toolkit: one Rust core, 14 language bindings, spec-driven codegen (OpenAPI, AsyncAPI, GraphQL, gRPC, SQL to HTTP) and a 13-tool MCP server. Experimental, pre-1.0, MIT.

seleniumboot-mcp

A Python MCP server that brings Selenium WebDriver automation to Claude and other AI assistants — with built-in code generation for Python (pytest), Java TestNG, and JUnit 5 test scripts.

strictspec

Define a schema once in TOML, and generate the full toolchain in your language: validation, versioning, migrations, etc. -- First-class support for Go, Python, and TypeScript

hey-api

👨‍🚀 Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.

bowline-agent

Write once, typed everywhere. API clients generated from plain Go functions.

bowline-client

Write once, typed everywhere. API clients generated from plain Go functions.

rapidkit-core

Create production-ready projects, add reusable modules, or bring the software you already have, and Workspace Intelligence-ready backend scaffolding.

sufleur-cli

npm for prompts — publish versioned prompt templates, pull them into your code as typed functions

selfrotgram

Async Python framework for Telegram Bot API where types tell the truth: filters narrow types, codegen from the Bot API spec, CLI. Фреймворк для Telegram Bot API

kaji-cli

Open-source API contract generator for SDKs, CLIs, mocks, validation, docs and MCP tools. Composable Rust and JavaScript plugins. An alternative to Speakeasy, Fern and Stainless, without the cloud or subscription.

generate-fastapi-typed-routes

Generate typed url_path_for functions for FastAPI applications.

gpt-engineer

CLI platform to experiment with codegen. Precursor to: https://lovable.dev

unihttp-openapi-generator

Generate typed Python API clients from OpenAPI 3.0/3.1 specs, built on unihttp. adaptix/pydantic/msgspec models, sync & async clients, mypy --strict-clean output

d2a

A translator Django into SQLAlchemy.

skir-client

Library imported from Python code generated from .skir files

incan

Incan: a modern, Pythonic language that compiles to Rust! Type-safe, async-friendly, with fixtures, testing, and web/inter-op built in.

gptdiff

Natural-language code transformation as a Python library: generate_diff turns a plain-English goal into a unified diff, smartapply applies it resiliently. CLI included. Formerly gptdiff.

soia-client

Library imported from Python code generated from .skir files

hoodiecollin-forgedb

Compile one .forge schema into a tailored Rust database, REST API, and typed clients for TypeScript, Python, Rust & Go. A compile-time code generator, not a runtime ORM.