The Protocol Buffers ecosystem stretches far beyond Google's official compiler. Below is an interactive explorer showcasing the most popular tools, plugins, and serialization libraries used by developers to compile, lint, format, validate, and transport Protobuf messages. Missing a tool or library? Submit a project to help grow the registry.
protoc-gen-go-mcp
Generates Go MCP servers from gRPC service definitions.
protobuf-javascript
The official JavaScript Protocol Buffers code generator plugin (protoc-gen-js).
protoc-gen-connect-openapi
BY sudorandom
Generates high-quality OpenAPI 3.x definitions from your Protobuf services, with excellent support for ConnectRPC and gRPC-Gateway.
protoscope
A tool and language designed to inspect, write, and verify Protocol Buffers binary wire format payloads.
protobuf-maven-plugin
BY ascopes
A modern Maven plugin for compiling Protocol Buffers utilizing protoc.
rust-protobuf (Rust)
BY stepancheg
A classic Rust implementation of Google Protocol Buffers, providing a code generator and runtime library.
python-betterproto
Clean, modern, Python 3.6+ code generator & library for Protobuf 3 and async gRPC
protobuf-ts
BY timostamm
A highly popular community plugin (protoc-gen-ts) to generate TypeScript interfaces, RPC clients, and validation from .proto files.