install

Additional install commands

macOS

Homebrewverified · 100%

brew install espflash

local Homebrew formula metadata

Linux

Nixverified · 92%

nix profile install nixpkgs#espflash

nixpkgs package indexes · pkgs/by-name/es/espflash/package.nix · source: api.github.com

Arch Linux pacmanverified · 92%

sudo pacman -S espflash

Arch Linux sync databases · espflash · source: geo.mirror.pkgbuild.com

overview

Package summary

Serial flasher utility for Espressif SoCs and modules based on esptool.py

Project links

Commands and aliases

espflash

history

Project history and usage

espflash is a Rust ecosystem serial flasher for Espressif devices, described by its project as loosely based on esptool.py.

Project history

The project sits in the esp-rs organization and provides both `espflash` and a related `cargo-espflash` workflow for Rust-on-Espressif development.

Adoption history

Its adoption is tied to the Rust embedded Espressif community rather than to Espressif's official Python tooling. Homebrew, Nix, Pacman, crates.io, and the repository README make it discoverable as a package-manager and Cargo-installable flashing tool.

How it is used

The command-line tool flashes ELF-format applications, monitors serial output, prints board information, erases flash or regions, calculates checksums, and generates shell completions for Espressif chips.

Why package nerds care

For package nerds, espflash is interesting because it packages a Rust-native alternative around a workflow historically dominated by Python esptool.py, and because `cargo-espflash` makes flashing feel like part of the Rust build loop.

Timeline

2020s: espflash grows with esp-rs as a Rust-oriented Espressif flashing utility.

Related projects

The project explicitly relates itself to esptool.py and ships alongside cargo-espflash for Cargo-integrated flashing.

Sources

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

narrow executable package without higher-risk signals

Signals

metadata:no-higher-risk-signals

Install behavior

No Homebrew post-install hook is recorded in formula metadata.
Homebrew bottle metadata is available for 6 platform targets.
Build metadata lists 3 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.

local files

Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.

Configuration files

Config paths the tool may read or write during local use.

Linux: ~/.config/espflash/espflash.toml~/.config/espflash/espflash_ports.toml
macOS: ~/Library/Application Support/rs.esp.espflash/espflash.toml~/Library/Application Support/rs.esp.espflash/espflash_ports.toml
Unix: ./espflash.toml./espflash_ports.toml
Windows: %APPDATA%\esp\espflash\espflash.toml%APPDATA%\esp\espflash\espflash_ports.toml

executables

Installed executables

Command	Kind	Exposure	Note
`espflash`	cli	global 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 version4.4.0

manager updated2026-04-16

local dataok

upstreamcurrent

latest detectedv4.4.0

https://github.com/esp-rs/espflash

okNo freshness warnings were generated.

install metadata

Package metadata

Package key	brew:espflash
Version	4.4.0
Package manager	Homebrew
Package manager page	https://formulae.brew.sh/formula/espflash
Homepage	https://github.com/esp-rs/espflash
Repository	https://github.com/esp-rs/espflash
Upstream docs	https://github.com/esp-rs/espflash#readme
License	MIT OR Apache-2.0
Source archive	https://github.com/esp-rs/espflash/archive/refs/tags/v4.4.0.tar.gz
Last updated	2026-04-16T17:44:10Z
Pulse	updated
Build dependencies	libuv, pkgconf, rust
Bottle	available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-install	not defined
Service	none declared

registry facts

Source database details

Source Database	Homebrew formula API
Tap	homebrew/core
Full Name	espflash
Version Scheme	0
Revision	0
Bottle Stable Root URL	https://ghcr.io/v2/homebrew/core
Deprecated	no
Disabled	no
Keg Only	no
URL Keys	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.

Nix95%

espflash

nix profile install nixpkgs#espflash

normalized package name match
Matched by: Espflash

nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/es/espflash/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

pacman95%

espflash 4.4.0-1

Cargo subcommand for flashing Espressif devices over serial

https://github.com/esp-rs/espflash

sudo pacman -S espflash

License: Apache-2.0 AND MIT
Architecture: x86_64
2 dependencies
1 provides
normalized package name match
Matched by: Espflash

Arch Linux sync databases · geo.mirror.pkgbuild.com · Arch Linux sync databases: espflash from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

package graph

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

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.

Combined YAML source

View the package source record on GitHub.

combined/espflash.yml

Used sources

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

Install espflash with Homebrew, Nix, pacman