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

msgspec-click

Generate Click options from msgspec types

fieldz

Unified API for working with multiple dataclass-like libraries

sqlspec

A Query Mapper for Python

starlite

Light, flexible and extensible ASGI framework | Built to scale

evmspec

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

jero

An opinionated, msgspec-first ASGI micro-framework

django-bolt

Rust-powered API framework for Django achieving 60k+ RPS. Uses Actix Web for HTTP, PyO3 for Python bridging, msgspec for serialization. Decorator-based routing with built-in auth and middleware.

httpware

Python HTTP client framework with sync & async clients and built-in resilience

sayer

The Modern Python CLI Framework

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

transports

Generic communication library

pytest-results

Easily spot regressions in your tests.

pysdato

Simple object storage for python models

improved-datamodel-codegen

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

mongospec

⚡ Blazing-fast async MongoDB ODM with msgspec serialization and automatic collection binding

keyspec

A simplistic asynchronous memory cache & database library for use with msgspec dataclasses

discord-clyde

A modern, type-hinted Python library for seamless interaction with the Discord Webhook API.

confident-extract

Deterministic structured extraction from noisy LLM/OCR output. Zero LLM round-trips, microsecond latency, confidence score on every result. msgspec · Pydantic · dataclasses.

bolt-mcp

Build MCP (Model Context Protocol) servers on django-bolt with native Streamable HTTP transport

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