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Tech riderRev. 4 Oct 2026

Granc

Ch 126.8of 23 gRPC Tools
  1. 1Runs onLinux
  2. 2CostsFree plan
  3. 3Deployment modelself hosted
  4. 4Server reflectionYes
4 lines stated Written from the maker's own pages: codeberg.org, github.com
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Overview

Granc is ranked #12 of 23 in gRPC tools on Specifiction. It runs on Linux. There is a free plan.

Granc plans and pricing

All plans
Free/open-source software Free No paid plans or usage limits stated github.com · 4 Oct 2026

Compared on gRPC tools

Deployment model
self_hostedcodeberg.org
Server reflection
Yescodeberg.org

Facts

Product
Granc is a lightweight, dynamic gRPC command-line tool written in Rust.github.com · 4 Oct 2026
JSON calls
It sends gRPC calls using JSON payloads without compiling the service’s Protobuf files into the client.github.com · 4 Oct 2026
Encoding
It transcodes JSON to Protobuf and back at runtime.github.com · 4 Oct 2026
RPC modes
It detects unary, server-streaming, client-streaming, and bidirectional calls from the descriptor.github.com · 4 Oct 2026
Schema discovery
It can obtain schemas through server reflection or a local binary FileDescriptorSet file.github.com · 4 Oct 2026
Inspection
Its commands list services and describe services, messages, and enums.github.com · 4 Oct 2026
Documentation
It generates static, cross-linked Markdown documentation for services and types.github.com · 4 Oct 2026
Request metadata
Requests can include custom headers such as authorization or tracing metadata.github.com · 4 Oct 2026
Validation
Granc validates JSON before sending it over the network.github.com · 4 Oct 2026
Library use
The core logic is available as a separate library crate for building tools such as integration tests, proxies, or automation tools.github.com · 4 Oct 2026
Security limitation
TLS support with configurable root certificates and client identity is listed on the roadmap.github.com · 4 Oct 2026
Distribution
The README gives `cargo install --locked granc` as the installation command.github.com · 4 Oct 2026
Project status
The maker says the project moved to Codeberg; the GitHub repository was archived on March 9, 2026.github.com · 4 Oct 2026
License
The project is offered under either the Apache License 2.0 or the MIT license, at the user’s option.github.com · 4 Oct 2026

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Where it ranks on Specifiction

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Sources