Msgspec Python Packages

datamodel-code-generator

Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV.

polyfactory

Simple and powerful factories for mock data generation

litestar

Light, flexible and extensible ASGI framework | Built to scale

sqlspec

A Query Mapper for Python

fieldz

Unified API for working with multiple dataclass-like libraries

msgspec-click

Generate Click options from msgspec types

django-bolt

The fastest Python web framework, built on Django. Rust (Actix Web) HTTP server + async typed handlers + msgspec, with the full Django ORM, Admin, middleware and auth. 300k+ req/s, no gunicorn/uvicorn.

starlite

Light, flexible and extensible ASGI framework | Built to scale

typeline

Write dataclasses to delimited text formats and read them back again

sayer

The Modern Python CLI Framework

e-serde

Fast, type-safe structured-data loading for Python: native Rust codecs for YAML/TOML/JSONC/INI + msgspec JSON, schema validation, sync/async.

evmspec

A collection of msgspec.Struct definitions for use with the Ethereum Virtual Machine

transports

Generic communication library

httpware

Typed, resilient HTTP clients for Python, sync and async

specstar

Spec-driven backend platform for FastAPI: REST + GraphQL + search + version history + admin UI from a single msgspec.Struct

autocrud

Spec-driven backend platform for FastAPI: REST + GraphQL + search + version history + admin UI from a single msgspec.Struct

django-aiodrf

Async-native views, serializers and policies for Django REST framework. Extends DRF's classes and keeps its contracts: migrate endpoints incrementally.

dexpot

A synchronous Python API framework with adaptive GIL and free-threaded execution.

jero

An opinionated, msgspec-first ASGI micro-framework

msgspec-toon

Native TOON 4.1 codec for msgspec with direct Struct encode and decode

fastware

A batteries-included ASGI framework: msgspec JSON, a managed Granian server, dependency injection, SSE, WebSockets, auth, and a test client

django-fastdrf

Opt-in serializer, query and response optimizations for synchronous Django REST framework: compiled output with msgspec, pydantic or plain Python, automatic prefetching and cached fields, without patching DRF.

msgspec-conf

msgspec-conf: a msgspec-based settings loader for Python. Load structured config from env vars, .env, YAML and TOML. A lightweight pydantic-settings alternative.

pysdato

Simple object storage for python models