Letter of appointment
Nº v0.8.4 · stable channel · October 22, 2026
Appointment as CEO
pixel.ceo, the free multi-agent harness, invites you to run your AI company on your own computer. To take office, choose where your office will run:
This is a desktop app. Choose your computer’s operating system.
First · Purpose
The installer provided is
PixelCEO-0.8.4-win-x64-setup.exe(.exe), 187 MB (196,353,136 bytes). October 22, 2026 · v0.8.4.Second · Requirements
- 64-bit Windows 10 or 11 (x64).
- A coding agent on your own subscription.
- A connection for your agents and downloads.
Third · Taking office
- Open
PixelCEO-0.8.4-win-x64-setup.exeand follow the installer. You can choose the folder. - If SmartScreen shows a warning: More info → Run anyway. The installer has no Authenticode signature.
- The portable edition runs without installation; download new versions manually.
- Open
Fourth · Verification
Compare this command’s output with the published hexadecimal digest below. The app checks the SHA-512 digest of each update it downloads.
certutil -hashfile "PixelCEO-0.8.4-win-x64-setup.exe" SHA512a0d01863f1d46e485927fde9d93eba151c67104393e8856ec940be4bc0f281ca55a7bfe44f1999f574a853eb541aac3ab7ea77b8c2a83408b053d809e1737a54
latest.yml · SHA-512Fifth · Data and cost
The core is free, runs locally and sends no usage telemetry. Your agents use your own subscriptions. This appointment is an interface metaphor; it provides no warranties and does not replace the legal notice. Legal notice →
First · Purpose
The installer provided is
PixelCEO-0.8.4-mac-arm64.dmg(.dmg), 272 MB (285,509,131 bytes). October 22, 2026 · v0.8.4.Second · Requirements
- Apple Silicon Mac (M1 or later). Intel is not supported.
- A coding agent on your own subscription.
- A connection for your agents and downloads.
Third · Taking office
- Open
PixelCEO-0.8.4-mac-arm64.dmgand drag pixel.ceo to Applications. With the ZIP, unzip and move the app. - Ad hoc signature, not notarized by Apple. First launch: right-click → Open → Open.
- On macOS 15 or later: System Settings → Privacy & Security → Open Anyway.
- Mac updates are manual for now: download the new version and replace the app. Your offices and data are preserved.
Still blocked?
In Terminal, remove quarantine only if you trust this download:
xattr -dr com.apple.quarantine /Applications/pixel.ceo.app- Open
Fourth · Verification
Compare this command’s output with the published hexadecimal digest below. The app checks the SHA-512 digest of each update it downloads.
shasum -a 512 "PixelCEO-0.8.4-mac-arm64.dmg"715de9d49a99de0bd70b5a65fc488c8c4aeca1ed2ef3845550a0c44b262431dccc59f3255926aeb0fa5d83b54be969d3d3d973a1796611492c0fd190e41add5c
latest-mac.yml · SHA-512Fifth · Data and cost
The core is free, runs locally and sends no usage telemetry. Your agents use your own subscriptions. This appointment is an interface metaphor; it provides no warranties and does not replace the legal notice. Legal notice →
First · Purpose
The installer provided is
PixelCEO-0.8.4-linux-x86_64.AppImage(.AppImage), 234 MB (245,308,358 bytes). October 22, 2026 · v0.8.4.Second · Requirements
- Linux x86_64 with FUSE 2 (libfuse2).
- A coding agent on your own subscription.
- A connection for your agents and downloads.
Third · Taking office
- Save the AppImage in a permanent folder. Properties → Permissions → Run as a program.
- Or run
chmod u+x -- "PixelCEO-0.8.4-linux-x86_64.AppImage", then./PixelCEO-0.8.4-linux-x86_64.AppImage. - If it does not start, install
libfuse2with your distribution’s package manager. AppImage and update help →
Fourth · Verification
Compare this command’s output with the published hexadecimal digest below. The app checks the SHA-512 digest of each update it downloads.
sha512sum "PixelCEO-0.8.4-linux-x86_64.AppImage"d10544002a0e036cf28a7e80f70242191c36ff7576325f9a41a36ea71a526fa88570708801b6fcc4fd53798530518b92d432171a289908320e8ad6484c57c96a
latest-linux.yml · SHA-512Fifth · Data and cost
The core is free, runs locally and sends no usage telemetry. Your agents use your own subscriptions. This appointment is an interface metaphor; it provides no warranties and does not replace the legal notice. Legal notice →