First connection
- Keep Steam running, signed in to an account that owns ARC Raiders. Close the game for the initial sign-in.
- Download the Windows connector and extract the whole archive. Keep the _internal folder next to ArcConnector.exe. Run the program.
- Open the workshop in Chrome or Edge on the same computer. Enter the six-digit code from the connector window. Allow local network access for this website if prompted.
- After the first inventory reading you can start the game. The connector must stay running; inventory refreshes every 5 minutes. Sessions usually last around a day; when one expires, you may need to close the game again for sign-in.
System tray and language
The close button and minimize button hide the connector in the system tray. Click its icon to restore the window. Right-click for Open calculator, Refresh inventory, language selection and Exit. Use Exit to fully stop it. The language selection is saved separately in the connector and the website.
Planning, raid lists and favorites
Select perks in the table and click Add to crafting plan. Perks for one weapon become one goal with shared stages. Set quantities and use the arrows to prioritize goals: earlier goals receive materials first. Craft from scratch also lets you add the chosen quantity to the plan.
In Reserve, set minimum quantities to keep after crafting. Raid list shows the combined shortage for all goals, including replenishing protected reserves for materials used by the plan. It calculates new weapons and does not deduct existing weapons. After crafting in the game, remove the completed goal or reduce its quantity.
Save to favorites saves selected perks; Save plan stores every goal with its quantity. Add a saved loadout to the plan whenever needed. Your plan, reserves and favorites are stored locally in this browser without inventory data; clearing website data removes them.
Weapon attachments
Craft from scratch and each plan goal include Weapon attachments: barrel / muzzle, grip, magazine and stock. Choose one compatible attachment per slot. Compatibility uses the final weapon variant; selecting multiple perks on one weapon limits the choices to attachments shared by those variants.
Attachments with crafting recipes are calculated as new: their materials are added to the weapon cost, and existing copies are not deducted. Items without recipes are marked Ready-made item: a ready-made copy is required from the stash, with shortages included in the raid list. Quantities scale with the number of weapons; shared perk stages do not duplicate attachments. Your selection is saved in plans and favorites. Check blueprints and Gunsmith level in the game.
Recipes and compatibility use the public ARC Tracker catalog dated 20 October 2026. Slots may change with game updates.
What is stored
The Embark session is encrypted with Windows DPAPI for your account in %LOCALAPPDATA%\ARCWorkshopWeb. The Embark token is never sent to the website. The server serves recipes and program files; calculations and inventory stay in your browser. Stash snapshots are not written to disk.
New materials
The connector includes shared, confirmed material IDs. For unidentified materials, use Identify material and follow the one-time transfer to your backpack and back. The program checks the stash changes; you confirm the material name. Mappings are stored separately from the backup desktop calculator.
Troubleshooting
Make sure the connector is running on the same computer. After restarting it, enter its new code. Previous stock remains visible with its timestamp after an error; it is not up to date. A phone or another computer cannot read this PC’s Steam inventory.
Windows may display an unknown publisher warning: the build has no developer signing certificate. Python and Codex are not required.
Unofficial project based on StashSync (MIT). Not affiliated with Embark or Valve. The program only reads your inventory, does not modify the game and uses no overlay. The Embark protocol may change.
StashSync license