MC Toolkit

Minecraft guides — page 6

Practical write-ups on commands, datapacks, building and server performance — each one paired with the tool that does the work.

Whitelist, ban and op: the server commands that behave differently than you expect

Whitelisting does not kick players already online, /ban needs a reason to be useful, and op level matters more than the op list. The details that bite server owners.

2026-07-22Server & Performance

Trial chambers: making spawners ominous and what the vaults actually drop

Ominous vaults hold the Mace and Heavy Core, but only if you make the chamber ominous first. Here is the sequence, the key economy, and what solo versus co-op changes.

2026-07-21Building & Resources

/execute: why as/at order matters and how store actually works

Most broken execute chains come from confusing who runs the command with where it runs. Here is what each subcommand changes, and the order that fixes it.

2026-07-20Commands & Data

/fill and /clone: the 32,768 block limit and the modes that get around it

Both commands cap at 32,768 blocks per call and fail silently past it. Here are the hollow, outline and replace modes, the clone masks, and how to move a build bigger than the cap.

2026-07-19Commands & Data

/tellraw JSON text: clickEvent, hoverEvent and why your message shows nothing

A single wrong bracket makes tellraw fail silently. Here is the component shape, the click and hover actions that actually work in chat, and the escaping rule people miss.

2026-07-18Commands & Data

Beacon pyramids: blocks needed per level, real range, and tinting the beam

A level 4 beacon costs 164 blocks and reaches 50 blocks, not 64. Here are the exact counts per tier, what each level unlocks, and how stained glass mixes the beam colour.

2026-07-17Building & Resources

Comparator signal strength from containers: the formula and the stack-size trap

A chest with one item outputs signal 1, but so does a chest with sixty-three. The formula explains why, and why shulker boxes and buckets break every calculation you had.

2026-07-16Building & Resources

server.properties: the settings that change performance, and the ones that do nothing

view-distance and simulation-distance are not the same lever, and one of them is where your TPS goes. What each setting actually costs, with sensible values.

2026-07-15Server & Performance

/summon with NBT: equipment, attributes and the tags that make a mob behave

Summoning a mob is one word. Making it keep its gear, not despawn, not burn and not wander off takes six specific tags. Here is what each one does.

2026-07-14Commands & Data

/attribute: base value versus modifiers, and why yours keeps resetting

Setting a base value is permanent and setting a modifier is not — unless you pick the wrong operation. The three operations, the stacking order, and the slot trap.

2026-07-13Commands & Data

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