protovalidate

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

Flexible, efficient request validation for Connect.

Out-of-the-box, highly extensible Spring Boot starters for the cutting-edge gRPC ecosystem and modern Java — more integration, less abstraction.

Marshal and unmarshal Protobuf as YAML with rich error messages.

protoc plugin for Pydantic BaseModel

Lean 4 codegen and runtime for validation of CEL expressions on protobuf field values as refinement types

An opinionated Go-based configuration management solution leveraging Protocol Buffers (protobuf) for structured and strongly-typed configuration files.

Connect RPC examples in Go, Python, and Rust — hermetic bazel, codegen, builds, and CI

A gRPC Go middleware for validating messages via bufbuild/protovalidate following Google's API Improvement Proposals AIP-193

Go + REST API + Protobuf + Protovalidate (DEMO)

MIT-licensed shadcn registry for React forms from Protobuf, Protovalidate, CEL, and Google AIPs.