Rust Tool Cupboard Guide: Building Privilege, Upkeep & Decay

The tool cupboard is the most important deployable in your base, and it costs 1,000 wood. Place it, authorize on it, keep it fed, and your base stands. Lose it, and whoever touches it next owns your walls. Every base you will ever build in Rust is really just an elaborate box around this one item, so it's worth understanding exactly what it does.

This guide covers the three jobs the TC does — building privilege, upkeep, and decay prevention — plus where to put it, how to protect it, and what happens when raiders get to it. If you're still planning the base itself, start with the base building guide and come back here for the TC layer.

What the Tool Cupboard Actually Does

The Tool Cupboard is a default blueprint — no research needed — that crafts from 1,000 wood in 30 seconds at no workbench. Place it and press E to authorize, and you get building privilege in a 50 meter radius around it. Inside that radius:

• chevron_rightYou (and everyone else authorized) can build, upgrade, and demolish freely.
• chevron_rightEveryone else is building blocked. They'll see the "building blocked" message and can't place structures inside your bubble. That's what stops a raider from simply building a staircase up your wall.
• chevron_rightTeammates need to auth too. Privilege is per-player, not per-team. Everyone in your group presses E on the cupboard once, and they're set until the TC is destroyed or someone clears the auth list.

The TC itself is fragile — 100 HP — which is fine, because the whole point of your base design is that nobody hostile should ever be standing next to it. It also holds the resources that pay your upkeep, which is the second job.

One warning before you place it: whoever reaches an unlocked TC can authorize on it and clear your auth list. A raider who gets to your cupboard doesn't just loot it — they take the base. That is why TC placement is the single most important decision in a base layout.

Tool Cupboard Stats at a Glance

The numbers that matter, straight from the item page:

That 5-minute despawn matters more than it looks: if your TC gets destroyed mid-raid, the replacement race is on, and a dropped cupboard on the ground won't wait around.

How Upkeep Works

Once your base is past twig, the TC becomes a tax office. It drains resources every day to keep your structures from decaying, and the bill scales with the size of your base.

The rule of thumb our upkeep calculator is built on: at a full tool cupboard, daily upkeep is about 10% of your base's total build cost, paid in the same resources you built with — wood, stone, metal fragments, and high quality metal. A base that cost 10,000 stone to build wants roughly 1,000 stone per day sitting in the cupboard. The rate isn't flat, either: as the TC empties, the drain rate rises, so a cupboard running on fumes burns proportionally more than a topped-up one. Keep it comfortably stocked and you pay the cheapest rate.

You don't have to do the math by hand. Open your tool cupboard in game and it lists the build cost and the current upkeep drain per resource — punch those numbers into the upkeep calculator to see your daily bill, or use the base cost calculator before you build to know what you're signing up for.

Two practical consequences:

• chevron_rightEvery wall you place is a recurring cost, not a one-off. Honeycomb and big footprints are great defense, but they inflate the daily tax. Solo players especially should build what they can afford to feed.
• chevron_rightUpkeep runs per-resource. If your stone runs dry but the wood is stocked, the stone parts start decaying while the wooden ones hold. The soonest resource to run out sets your deadline.

Decay: What Happens When the TC Runs Dry

When the cupboard can't pay — or there's no cupboard at all — structures start losing health over time until they're destroyed. Decay isn't instant: the damage ticks gradually across the decay window, and restocking upkeep stops it (repair the damage with a hammer and resources).

How long a structure lasts with no TC coverage depends on its tier. These are the same numbers our decay calculator publishes:

Read that table the way raiders do: an abandoned stone base is standing loot in about five hours, and even armored only buys half a day. It also tells you how long your own base survives a weekend away if the TC runs empty — for most bases, not long enough. Before a break, stock the cupboard well past one day's drain. The full per-tier breakdown lives on the building tier pages.

TC Placement and Defense

Since the TC is both the deed to your base and the wallet paying its rent, it gets the most protected slot in the build.

Bury it in the core. The TC goes in the middle of the base, behind as many walls and doors as your budget allows — never in a room with an exterior wall. Every wall between the front door and the cupboard is boom a raider has to spend.

Honeycomb around it. A ring of extra triangles or squares around your core means raiders blow through filler compartments instead of walking a straight line to privilege. It raises the raid cost specifically on the path that matters.

Consider sealing it. A classic play is the sealed TC: once the base is finished, you wall the cupboard into a chamber with no door at all. You can't top up upkeep without breaking in from the inside (soft-side, then rebuild), so people who run this usually stock it deep first. The trade-off is convenience for security — nobody is walking up and pressing E on a cupboard that has no doorway.

Put a lock on it. The TC accepts a key lock or code lock just like a door. A locked cupboard can't be opened or authorized on by someone who merely reaches it — they have to destroy the lock or the TC itself, which turns a silent base takeover into a noisy one. There's no good reason to run an unlocked TC.

Deny the deep-radius exploit. Your privilege bubble extends 50 meters, but building blocked doesn't stop someone placing twig on your own existing structures. Keep an eye out for twig ladders and stairs stuck to your walls, and demolish them on sight.

The TC Raid

"Going for TC" is its own style of raid. Instead of blowing into your loot rooms, raiders punch the shortest path to the cupboard, destroy or take it, and place their own TC. At that point building privilege flips: you're the one who's building blocked in your own base. They seal the walls behind them, add their locks, and the base — plus everything still in it — is effectively theirs. This is also how "base takeovers" work after a group gets deep enough.

Your defense is exactly the placement advice above: make the TC path the most expensive line in the base, and don't leave the cupboard somewhere a door camper or window peek can reach. If you want the attacker's-eye view of what those walls cost to drop, the raiding guide covers it.

Destroying and Removing a Tool Cupboard

The cupboard itself is the softest target in any base. At 100 HP with barely any resistance to bullets or melee, and outright weakness to explosions, a single explosive of almost any kind removes it — the walls around it are the defense, never the cupboard. Once it breaks, whatever upkeep resources it held spill out as loot, the privilege bubble vanishes, and the first person to place and authorize on a fresh TC owns the zone. The raid calculator has the full cost table if you're pricing the walls in front of it.

Removing your own TC is friendlier: empty it, take the hammer out, and pick it up like any other deployable — handy when you're reshaping the core or moving privilege during a build. You can also simply place a new cupboard elsewhere first if you're extending coverage rather than relocating it.

Multiple TCs and External Compounds

You aren't limited to one cupboard. Larger bases run several TCs, and it's standard practice for two reasons:

• chevron_rightCoverage. One TC covers a 50 meter radius. A big compound — outer walls, external turret towers, a garage — can stretch past a single bubble, so each outbuilding gets its own cupboard to keep the whole footprint under your privilege.
• chevron_rightRedundancy. Separate TCs in external compound corners mean that losing the main cupboard doesn't hand over the outer walls too. Raiders have to take each privilege zone on its own.

Each TC pays upkeep for the structures it covers, so multi-TC compounds multiply the daily tax — budget for it. Groups often keep auth lists deliberately different too: everyone on the main TC, but external turret-tower TCs limited so a compromised teammate can't clear the whole compound.