Evans

evans Plugin

Evans is an expressive, universal gRPC client. More expressive than curl for interacting with gRPC services. Supports reflection, streaming, and more.

Commands

gRPC Calls

• evans grpc call — Call a gRPC method

Utility

• evans _ _ — Passthrough to evans CLI

Usage Examples

• "Call gRPC method"
• "Test gRPC API"
• "gRPC client"
• "Interact with gRPC service"

Installation

brew install evans

Or via Go:

go install github.com/ktr0731/evans@latest

Examples

# Call with reflection
evens grpc call localhost:50051 --reflection

# With specific port
evens grpc call localhost --port 8080 --reflection

# With proto file
evens grpc call localhost:50051 --proto ./service.proto

# Any evans command with passthrough
evens _ _ cli localhost:50051
evens _ _ repl localhost:50051

Key Features

• gRPC - Native gRPC support
• Reflection - Server reflection
• Streaming - Bidirectional streaming
• REPL - Interactive REPL
• CLI - Command line mode
• Proto - Proto file support
• Universal - Works with any gRPC
• Easy - Simple syntax
• Expressive - More than curl
• Microservices - Perfect for testing

Notes

• Great for gRPC testing
• Supports server reflection
• Interactive REPL available
• Perfect for microservices