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Tech riderRev. 20 Sept 2026

gRPC Studio

Ch 166.4of 23 gRPC Tools
  1. 1Runs onLinux, self-hosted, Web
  2. 2CostsNot stated by the maker
  3. 3Deployment modelself hosted
  4. 4Server reflectionYes
3 lines stated Written from the maker's own pages: github.com
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The gRPC Studio homepage

Overview

gRPC Studio is ranked #16 of 23 in gRPC tools on Specifiction. It runs on Linux, Self-hosted, Web.

Compared on gRPC tools

Deployment model
self_hostedgithub.com
Server reflection
Yesgithub.com

Facts

Purpose
gRPC Studio is a reflection-based UI for exploring and calling gRPC services.github.com · 4 Oct 2026
Service discovery
It discovers services through gRPC reflection v1 and v1alpha.github.com · 4 Oct 2026
RPC support
It supports unary, server-streaming, client-streaming, and bidirectional-streaming RPCs.github.com · 4 Oct 2026
Protobuf forms
It renders dynamic protobuf request forms, including nested messages, maps, oneofs, enums, bytes, timestamps, and wrapper types.github.com · 4 Oct 2026
Multiple targets
One instance can connect to multiple gRPC targets and switch between them in the UI.github.com · 4 Oct 2026
Security
Outbound gRPC connections support TLS and mTLS, configurable per target.github.com · 4 Oct 2026
Authentication
The backend supports authentication plugins for outbound metadata, and the web UI can optionally use Microsoft Entra ID authentication.github.com · 4 Oct 2026
Request metadata
Users can edit custom gRPC headers per request; binary -bin keys are not supported, and configured auth-plugin and trusted user headers take precedence over user-supplied metadata.github.com · 4 Oct 2026
Request history and sharing
It provides per-method request history and shareable request links.github.com · 4 Oct 2026
Observability
The backend exposes Prometheus metrics for HTTP requests, gRPC calls, WebSocket connections, caches, and Node.js process metrics.github.com · 4 Oct 2026
Deployment
The project provides Docker images and documentation for Docker Compose and Kubernetes deployment.github.com · 4 Oct 2026
Deployment security
The Docker deployment guide says both images run as non-root users and recommends read-only config mounts; it also describes TLS/mTLS support for backend gRPC connections.github.com · 4 Oct 2026
Compatibility limit
The target gRPC server must support reflection for gRPC Studio to discover services.github.com · 4 Oct 2026
License
The repository is licensed under BSD-3-Clause.github.com · 4 Oct 2026

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