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kalilurrahman
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grpc-service

Design gRPC services with Protocol Buffer schemas, streaming patterns, and interceptors.

1|Updated Mar 21, 2026
Search Tags:#api design#python#microservices#streaming#protobuf#rpc#grpc
One-click install
npx skills add https://github.com/kalilurrahman/kr-claudiator-skills-original-prompts --skill grpc-service-kalilurrahman
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: grpc-service
Source: https://github.com/kalilurrahman/kr-claudiator-skills-original-prompts/tree/main/08-api-integration/grpc-service
Command: npx skills add https://github.com/kalilurrahman/kr-claudiator-skills-original-prompts --skill grpc-service-kalilurrahman

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires grpcio, grpcio-tools, grpcio-health-checking, grpcio-reflection, grpc-status.

What problem does it solve? Building strongly-typed, high-performance RPC services requires careful contract design, correct streaming semantics, and consistent error handling, which is error-prone when done ad hoc. This Skill guides the design and implementation of production-grade gRPC services from proto definition through server, client, and testing code. ## Core Features & Use Cases - Proto-First Contract Design: Define services, messages, and enums in .proto files following proto3 best practices like unspecified enum zero values and reserved field numbers. - All Four Streaming Patterns: Implement unary, server-streaming, client-streaming, and bidirectional streaming RPCs with async Python servers and clients. - Interceptors and Error Handling: Add auth, logging, and tracing middleware plus rich structured errors using google.rpc.Status and standard gRPC status codes. - Use Case: You need an order service that pushes real-time status updates to clients. Use this Skill to define the WatchOrder server-streaming RPC, implement the async servicer with event subscriptions, and generate a client that consumes the stream until a terminal state. ## Quick Start Ask the AI to design a gRPC service for your domain, specifying the service name, operations, streaming requirements, and target language.

Frequently Asked Questions about grpc-service

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I design a gRPC service with Protocol Buffers?▼

Start by defining the service contract in a .proto file using proto3 syntax, declaring messages, enums with an unspecified zero value, and RPC methods. Then generate server and client stubs with protoc and implement the servicer logic against that contract.

What are the four gRPC streaming patterns?▼

gRPC supports unary (single request/response), server-streaming (server pushes multiple responses), client-streaming (client sends multiple requests), and bidirectional streaming (both sides stream concurrently). Choose per RPC based on whether clients need real-time updates or bulk throughput.

How do I handle errors in gRPC Python servers?▼

Use context.abort with standard grpc.StatusCode values like INVALID_ARGUMENT or UNAUTHENTICATED for failures. For richer detail, return google.rpc.Status objects in response oneof fields, especially in streaming RPCs where aborting would kill the stream.

Does gRPC support authentication and request metadata?▼

Yes, gRPC passes metadata as key-value headers on every call, commonly carrying authorization Bearer tokens and x-request-id values. Server interceptors can validate JWTs and inject user identity before the servicer method runs.

Why should gRPC mutations use idempotency keys?▼

Idempotency keys let clients safely retry requests after network failures or deadline exceeded errors without creating duplicate resources. The server checks the client-generated key and returns the existing result if the operation already completed.

When should I use gRPC instead of REST?▼

gRPC fits internal service-to-service communication needing binary serialization efficiency, strongly-typed contracts, and streaming. REST remains better for public APIs, browser clients, and cases where human-readable payloads and broad tooling matter more.

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