MacMountSMB

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Automatically reconnect SMB shares on macOS. No friction. Just works.

Keep SMB drives mounted across sleep, Wi-Fi changes, and VPN reconnects.

Designed for developers who are tired of reconnecting SMB shares manually.

No sudo. No system daemons. Fully reversible.

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Demo

Full install and clean uninstall flow in seconds:

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Why this exists

If you've worked with SMB on macOS, you’ve probably seen this:

• Sleep → mount disappears
• Wi-Fi changes → disconnected
• VPN connects → gone again

Now you're back to manually reconnecting instead of working.

MacMountSMB fixes that.

This is one of those problems that shouldn't exist - but does.

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What this does

MacMountSMB runs a lightweight background check in your user session:

• Uses launchd through a LaunchAgent
• Checks whether your SMB share is mounted
• Reconnects only if needed
• Uses macOS native SMB handling through open "smb://..."

No hacks. No credential handling. No system changes.

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Key Features

• User-scope only, with no sudo and no system daemons
• Smart reconnect triggered only when the share is missing
• Native macOS integration through Finder and Keychain
• Interactive and flag-based installation
• Clean uninstall with no leftover generated artifacts
• Logs and debug support
• Built-in status command for config, run history, and scheduling insights

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Quick Start

./install.sh

If required values are missing, the installer will prompt for them.

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Installation

Interactive

./install.sh

You will be prompted for:

• SMB server or IP
• SMB share name
• LaunchAgent label
• Check interval
• Whether to auto-load the LaunchAgent
• Whether to overwrite existing generated files

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Non-interactive

./install.sh \
  --server SERVER_OR_IP \
  --share SHARE_NAME \
  --label com.example.mountsmb \
  --interval 300 \
  --load \
  --force

Using an SMB URL shortcut:

./install.sh --smb-url "smb://SERVER/SHARE" --label com.example.mountsmb --interval 300 --load

Installer Flags

• --server <server-or-ip>
• --share <share-name>
• --label <launchd-label>
• --interval <seconds>
• --smb-url <smb://server/share>
• --load
• --force
• --help

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How it works

• install.sh collects values either interactively or through flags
• It generates a runtime script and a LaunchAgent plist
• The LaunchAgent runs on load and at the chosen interval
• The runtime script checks current mounts
• If the share is missing, it runs open "smb://..." to reconnect it

If you pass --load, or choose it during interactive setup, the installer attempts:

launchctl bootstrap gui/$(id -u) ~/Library/LaunchAgents/<label>.plist

If you install without loading it immediately, the installer prints the exact command to run manually.

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What gets created

Generated runtime files are installed in user-safe locations:

• Runtime script: ~/Library/Application Support/mountsmb/mountsmb-<label>.sh
• LaunchAgent plist: ~/Library/LaunchAgents/<label>.plist
• Logs:
  • ~/Library/Application Support/mountsmb/logs/<label>.out.log
  • ~/Library/Application Support/mountsmb/logs/<label>.err.log

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Status

./status.sh --list
./status.sh --label com.example.mountsmb

The status command can either list deployments or inspect one specific label. It shows:

• Existing deployments, including labels, shares, intervals, and last results
• Current configured server/share and paths
• Whether the LaunchAgent appears loaded
• Last recorded run result and details
• Total recorded run count
• Estimated next run time based on the configured interval
• Recent stdout/stderr log output

If you omit --label, the most recently installed label is used.

Uninstall

./uninstall.sh --label com.example.mountsmb

Or force:

./uninstall.sh --label com.example.mountsmb --force

✔ Removes LaunchAgent
✔ Removes scripts
✔ Removes logs
✔ Cleans everything

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Requirements

• macOS with launchd and launchctl
• SMB share reachable from your machine
• Access to ~/Library/LaunchAgents

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Security Notes

• No credential storage in repo
• Uses macOS Keychain
• Runs in user space only
• No sudo required
• No system changes

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Troubleshooting

launchctl print gui/$(id -u)/<label>
launchctl kickstart -k gui/$(id -u)/<label>
cat "$HOME/Library/Application Support/mountsmb/logs/<label>.out.log"
cat "$HOME/Library/Application Support/mountsmb/logs/<label>.err.log"

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Advanced Usage

• Multiple shares (one agent per share)
• Custom intervals
• Template-based workflows
• Manual LaunchAgent control

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Feedback

Found an edge case? Something not working as expected?

Open an issue or drop feedback - this tool is built for real-world usage.

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License

MIT. See LICENSE.