How to Install Agent Mail CLI Silently with winget on Windows

Installing Agent Mail CLI interactively is fine when you're sitting at the machine. When you're deploying to 50 machines or building a CI image, you want a one-line silent install. Here's how winget does it.

Skip to the command

Open Terminal as Administrator and run:

winget install --id JuanjoFuchs.agent-mail-cli -e --silent --accept-package-agreements --accept-source-agreements

Agent Mail CLI: Self-describing local inbox for coding agents

Typical install time: 10–60 seconds depending on installer size.

What gets installed

Portable packages extract to a folder — no installer prompts to suppress.

Per-user install (no admin)

If you don't have admin rights, try per-user scope:

winget install --id JuanjoFuchs.agent-mail-cli -e --scope user --silent

If the manifest doesn't have a user-scope installer, winget falls back with an error — in that case you genuinely need admin or use the Access denied fix.

Specify a version

To pin a known-good version (useful for reproducible CI / team standardisation):

winget install --id JuanjoFuchs.agent-mail-cli -e --version 0.1.1 --silent

List available versions:

winget show --id JuanjoFuchs.agent-mail-cli --versions

Override silent flags

If winget's --silent doesn't fully suppress the installer's UI, pass native flags via --override:

winget install --id JuanjoFuchs.agent-mail-cli -e --override "n/a"

For this installer type, override flags aren't typically needed.

Verify after install

winget list --id JuanjoFuchs.agent-mail-cli

If the version is shown, the install succeeded.

Upgrade silently

winget upgrade --id JuanjoFuchs.agent-mail-cli -e --silent --accept-package-agreements --accept-source-agreements

Or upgrade as part of a bulk weekly cron — see How to update all Windows apps.

Uninstall silently

winget uninstall --id JuanjoFuchs.agent-mail-cli --silent --disable-interactivity

Detailed guide: How to uninstall Windows apps with winget.

In a provisioning script

PowerShell snippet for unattended Windows setup:

$apps = @(
  "JuanjoFuchs.agent-mail-cli"
  # add more packages here
)

foreach ($id in $apps) {
  winget install --id $id -e --silent `
    --accept-package-agreements --accept-source-agreements
}

Wrap in Task Scheduler for one-shot machine provisioning. See Fresh Windows 11 setup.

Common errors

"Agent Mail CLI is already installed" — winget detected the existing install. To force-reinstall over the existing copy:

winget install --id JuanjoFuchs.agent-mail-cli -e --silent --force

"Installer hash does not match" — JuanjoFuchs published a new version before the winget manifest updated. Wait ~24 hours or pass --force. See hash mismatch fix.

"Access denied" / 0x80070005 — run Terminal as Administrator. See Access denied fix.

0x80073D02 — package in use — Agent Mail CLI is currently running. Close it then retry. See package in use fix.

See also

• Agent Mail CLI on winget.tech → — full package details
• How to install Windows apps with winget → — beginner guide
• Winget commands cheatsheet → — complete reference
• Fresh Windows 11 setup → — full machine workflow