Extism CLI

Extism CLI 1.6.3

Extism CLI generates and executes Extism plugins, and manages libextism installations.

  • By Dylibso
  • Open Source
  • Portable
  • Updated Jul 23, 2025
Download for Windows

About Extism CLI

Extism CLI generates and executes Extism plugins, and manages libextism installations.

What's new in 1.6.3

What's Changed
- Add Winget package release workflow by @just-ero in #108
- feat: enhance get-extism.sh with GITHUB_TOKEN support by @Binlogo in #111
- fix: check return value of os.MkdirAll by @G4Vi in #113
New Contributors
- @just-ero made their first contribution in #108
- @Binlogo made their first contribution in #111
Full Changelog: v1.6.2...v1.6.3

Full release notes »

Technical details

PublisherDylibso
Version1.6.3
Release date2025-07-23
LicenseBSD-3-Clause
Installer typezip
Architecturex64
Package IDDylibso.Extism.CLI

Install Extism CLI from the command line

Install with Windows Package Manager
winget install --id=Dylibso.Extism.CLI -e
Update to the latest version
winget upgrade --id=Dylibso.Extism.CLI -e
Uninstall
winget uninstall --id=Dylibso.Extism.CLI -e

wasiwasm

Extism CLI version history

1.6.2 Jan 15, 2025

What's Changed
- chore: add python pdk by @zshipko in #107
- feat: enable wasi output to ease debugging (esp. python-pdk) by @G4Vi in #109
Full Changelog: https://github.com/extism/cli/compare/v1.6.1...v1.6.2

1.6.1

Commits

  • feat: support enable-http-response-headers flag, minor tweaks

Frequently asked questions

Is Extism CLI free?

Yes. Extism CLI is free and open-source software released under the BSD-3-Clause license.

What is the latest version of Extism CLI?

The latest version is 1.6.3, released on Jul 23, 2025.

Is it safe to download Extism CLI?

The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 47e4ed2782445b2b08a4d1ac127211588f8b4d1fc25fd6481d4cb65151b5213c.

Which Windows versions does Extism CLI support?

Extism CLI runs on Windows and is available for 64-bit (x64) systems.

How do I uninstall Extism CLI?

Open Settings › Apps › Installed apps, find Extism CLI and select Uninstall. From the command line, run winget uninstall --id=Dylibso.Extism.CLI -e.

Is there a portable version of Extism CLI?

Yes. Extism CLI is available as a portable ZIP archive (extism-v1.6.3-windows-amd64.zip, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.

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