Ktr0731 Evans by ktr0731
Evans: more expressive universal gRPC client
About Ktr0731 Evans
From the project's README at github.com/ktr0731/evans. Lightly cleaned for readability; for the full source see the upstream repo.
[](https://github.com/ktr0731/evans/actions) [](https://codecov.io/gh/ktr0731/evans) [](https://pkg.go.dev/github.com/ktr0731/evans) Motivation Evans has been created to use easier than other existing gRPC clients. If you want to keep your product quality, you must use CI with gRPC testing, should not do use manual testing. Evans will complete your other use cases just like: Manually gRPC API inspection To automate some tasks by scripting
The above use cases are corresponding to Evans's two modes, REPL mode, and CLI mode. REPL mode
REPL mode is the solution for first use case. You can use it without thinking like the package name, service name, RPC name, command usage, and so on because REPL mode has powerful completion! CLI mode
CLI mode is a stateless mode just like grpc-ecosystem/polyglot. It sends one request per one command as its name suggests. So it is based on UNIX philosophy.
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 4.5k | github.com/ktr0731/evans |
| GitHub forks | 193 | github.com/ktr0731/evans |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 8.8 years | since Jul 2017 |
| Last commit | 2.4 years ago | Dec 26, 2023 |
| Releases shipped | 64 | last: 3.2 years ago |
| Funding links | 2 | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
What people say on Hacker News
Ready to self-host Ktr0731 Evans?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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