Automic VaultAutomic Vault

brew

Install jaguar with Homebrew, winget, apt, zypper

Live reloading for your ESP32. Version 1.68.0 via Homebrew; verified 2026-07-03.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install jaguar

local Homebrew formula metadata

Windows

Windows Package Managerverified · 92%
winget install --id Toit.Jaguar -e

Windows Package Manager source index · Toit.Jaguar · source: cdn.winget.microsoft.com

overview

Package summary

Live reloading for your ESP32

Commands and aliases

  • jag

history

Project history and usage

Jaguar is the Toit project's ESP32 live-reload tool. It packages the `jag` command and an on-device Jaguar service so embedded developers can flash, discover, update, and run Toit code over WiFi instead of repeating slow serial-flash cycles.

Project history

The GitHub repository was created in December 2021 and describes Jaguar as live reloading for ESP32 development. The README explains that Jaguar runs a small HTTP server on the ESP32, receives compiled Toit programs, relocates and installs them in flash, stops the old program, and starts the new one from `main`.

Jaguar evolved alongside the Toit SDK and VM. The README positions it as a thin developer loop around Toit: `jag setup` downloads and configures the SDK, `jag flash` installs the Jaguar application, `jag run` sends a program, and `jag watch` reloads code as files change.

Adoption history

The README documents several distribution channels: Homebrew on macOS, winget on Windows, an AUR package for Arch Linux, Debian/Ubuntu `.deb` packages from releases, and downloadable binaries for Linux, macOS, and Windows. Homebrew API data available during this enrichment recorded 354 installs over 365 days, fitting a focused embedded-language tool rather than a broad utility.

Jaguar's adoption is inseparable from Toit adoption. It gives Toit a fast hardware feedback loop, and the Toit device documentation teaches Jaguar early in the ESP32 setup path.

How it is used

A typical session installs `jag`, runs setup, flashes an ESP32 with WiFi credentials, scans the local network, and uses `jag run` or `jag watch` to deploy Toit programs. The tool also supports firmware updates and named containers that run on device boot.

Why package nerds care

Jaguar is package-nerd notable because it turns a language-specific embedded workflow into one host executable. The package hides SDK setup, device discovery, WiFi deployment, firmware update, and VS Code integration behind the `jag` command, which is exactly the kind of niche workflow package managers are good at.

Timeline

  • 2021: GitHub repository created for Toit live reloading on ESP32.
  • 2021: The README demonstration material and setup flow show Jaguar positioned around sub-two-second edit-run cycles.
  • 2026: v1.59.0 release notes recorded Debian packaging work and cache separation by jag version.
  • 2026: v1.67.0 release notes recorded a partition-table flag and SDK-aligned release preparation.

Related projects

  • Jaguar is part of the Toit ecosystem and depends conceptually on the Toit virtual machine, the Toit SDK, ESP32 hardware, and editor tooling such as the Toit Visual Studio Code extension. It overlaps with embedded live-reload and OTA development tools but remains language-specific.

security posture

No protected-tool coverage found yet

No matching local secret-handling manifest was found for jaguar. Nucleus package metadata is still published here so future coverage has a stable package URL.

Install behavior

  • No Homebrew post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 6 platform targets.
  • Build metadata lists 1 build dependencies.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
jagcliglobal executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-07-08
manager version1.68.0
manager updated2026-07-03
local dataok
upstreamcurrent
latest detectedv1.68.0

https://github.com/toitlang/jaguar

  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:jaguar
Version1.68.0
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/jaguar
Homepagehttps://toitlang.org/
Repositoryhttps://github.com/toitlang/jaguar
Upstream docshttps://docs.toit.io/
LicenseMIT
Source archivehttps://github.com/toitlang/jaguar/archive/refs/tags/v1.68.0.tar.gz
Last updated2026-07-03T00:28:26Z
Pulseupdated
Build dependenciesgo
Bottleavailable (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-installnot defined
Servicenone declared

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Namejaguar
Version Scheme0
Revision0
Head VersionHEAD
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • head
  • stable

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

winget95%

Toit.Jaguar

winget install --id Toit.Jaguar -e
  • normalized package name match
  • Matched by: Jaguar
Windows Package Manager source index · cdn.winget.microsoft.com · Windows Package Manager source index: Toit.Jaguar from https://cdn.winget.microsoft.com/cache/source.msix
Debian apt92%

jag 0.3.8-3

arcade and puzzle 2D game

https://gitlab.com/coringao/jag/wikis

sudo apt install jag
  • Section: games
  • Architecture: amd64
  • 13 dependencies
  • installed executable or alias match
  • Matched by: Jag
Debian stable package indexes · deb.debian.org · Debian stable package indexes: jag from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Ubuntu apt92%

jag 0.3.8-2build2

arcade and puzzle 2D game

https://gitlab.com/coringao/jag/wikis

sudo apt install jag
  • Section: universe/games
  • Architecture: amd64
  • 13 dependencies
  • installed executable or alias match
  • Matched by: Jag
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: jag from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
zypper92%

jag 0.3.8-2.21

Arcade and Puzzle 2D Game in which you have to break all the target pieces

https://gitlab.com/coringao/jag

sudo zypper install jag
  • License: GPL-3.0-or-later
  • Category: Amusements/Games/Logic
  • Architecture: x86_64
  • Source Package: jag
  • 13 dependencies
  • 3 provides
  • installed executable or alias match
  • Matched by: Jag
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: jag from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst
zypper92%

jag-data 0.3.8-2.21

Data files for the JAG game

https://gitlab.com/coringao/jag

sudo zypper install jag-data
  • License: GPL-3.0-or-later
  • Category: Amusements/Games/Logic
  • Architecture: noarch
  • Source Package: jag
  • 1 dependencies
  • 1 provides
  • installed executable or alias match
  • Matched by: Jag
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: jag-data from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst
zypper92%

jag-editor 0.3.8-2.21

Level Editor for the JAG game

https://gitlab.com/coringao/jag

sudo zypper install jag-editor
  • License: GPL-3.0-or-later
  • Category: Amusements/Games/Logic
  • Architecture: x86_64
  • Source Package: jag
  • 7 dependencies
  • 3 provides
  • installed executable or alias match
  • Matched by: Jag
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: jag-editor from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

Related tools

  • goBuild dependency declared by Homebrew.

Same workflow

  • espflashShares av.db curated category or tags: cli, developer-tools, embedded, esp32.
  • lm4toolsShares av.db curated category or tags: cli, developer-tools, embedded, microcontrollers.
  • mklittlefsShares av.db curated category or tags: cli, developer-tools, embedded, esp32.
  • mspdebugShares av.db curated category or tags: cli, developer-tools, embedded, microcontrollers.
  • probe-rs-toolsShares av.db curated category or tags: cli, developer-tools, embedded, microcontrollers.
  • stm32flashShares av.db curated category or tags: cli, developer-tools, embedded, microcontrollers.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Geiger risk classifier
  • Nucleus package database
  • av.db category and tag curation
  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • package relationship graph
  • package version freshness
  • package-page enrichment