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Smelt anything at many different furnaces. Supports bars, jewelry, glass, cannonballs and everything else.

How to use:
  • start the bot near the furnace to use
  • optional: have a coal bag in your inventory if using it
  • select desired options and click "Run"

Supported Locations:

  • Edgeville Furnace (recommended)
  • Al-Kharid Furnace
  • Neitiznot Furnace
  • Port Phasmatys Furnace
  • Prifddinas Furnace
Supported Items:
  • Smelting all ore into bars (with optional coal bag)
  • Cannonballs (and Double cannonball mould from Giant's Foundry)
  • Molten glass
  • All jewelery (Including: Dragonstone, Diamond, Ruby, Emerald, Sapphire, Gold, Topaz, Jade, Opal, Silver, and Slayer Rings)


  • supports using space to craft last item for jewelery (added to the game May 2022), as well as for regular smelting
  • supports multiple locations and all items
  • human-like pathing, including pre-looking at the furnace and bank
  • plenty of failsafes to avoid getting stuck
  • intelligent item management to have the perfect amount every time
  • optional: supports coal bag
Features in all of CuppaJava's Bots:
  • Saves settings from last session, even when you close Runemate. Jump right back in next time!
  • Customizable break handler, to log out for a little while every X minutes.
  • Customizable AFK handler, to idle the bot for a little while periodically.
  • Customizable stopping handler: to stop the bot after a selected amount of time.
  • Intelligent delays between actions.
  • Progress log with a bunch of info.
  • My own custom, robust traversal system written from the ground up. Doesn't rely on the Runemate "web" to work!

Looking for a bar smither instead?
Check out: Cuppa SmitherAIO!


First release
Last update
4.30 star(s) 23 ratings

More resources from cuppajava

Latest updates

  1. Cuppa Smelter AIO v1.1.3 Released!

    Cuppa Smelter AIO updated to v1.1.3.
  2. Cuppa Smelter AIO v1.1.2 Released!

    Cuppa Smelter AIO updated to v1.1.2.
  3. Cuppa Smelter AIO v1.1.1 Released!

    Cuppa Smelter AIO updated to v1.1.1.

Latest reviews

Haven't run this bot, but just overriding the bad review from paw because he didn't read discord.
Super slow, my goodness. 1250 tiara's per hour? What in the world is this. Figure it out.
Great bot! So happy this is the only bot that can make silver bolts (good craft for ironmen) Bot author is very helpful and open for all feedback.
Very nice bot but.. why do u have Lovakite bar on it when u cant use it? :)
Awkward :P Didn't realise you could only use them on a specific furnace. Honestly no one's mentioned this in the years the bot has existed, so I suppose no one would mind if I just remove lovakite. Sorry for any inconvenience.
Used to make cannonballs, works perfect
<3 <3 <3
Been using this bot to make cannonballs on GIM alts.

Only issue I've run into is if you have all the bars noted in your inventory it just runs up to the furnace and stands there. But that's more of my mistake than the bot.
Little wonky sometimes, but works better than initially though
Most improved, Cuppa Smelter :D

Glad it's working solid at least.
Great piece, works flawless. only thing ill say is to be able to smelt tiaras please
I think we already spoke on discord, but just for anyone else reading this, the bot does indeed smelt tiaras :)
As with all Cuppa bots, this one is excellent.
When smelting molten glass, the bot will sometimes randomly throw a "the bot has been idle for more than 5 minutes" error and stop, despite no idling actually occurring. This happens seemingly at random, have had it run for 8+ hours without crashing and sometimes only 30 minutes. Happens at multiple furnace locations as it is running up to the furnace to smelt.
I'm glad it's mostly working well for you :)

I have a couple failsafes that are similar which execute when the bot hasn't detected any experience gained OR any clicks within a certain amount of time.

If this failsafe is executing when the bot is running fine, honestly it's unfortunately probably some weird Runemate bug with detecting xp gained/clicks.

The general advice is to bot on Runelite with all plugins disabled (you can make a separate profile). I honestly don't really know what other advice to give here.
Got banned after four days of 8 hour sessions with breaks, and everything. Four accounts are still running with different scripts, but this smelter got my acc permed.
I'm sorry you got banned. Unfortunately, despite my best efforts, bans are always a possibility.

If you have any further feedback on specific ways you think the bot could be improved/to reduce risk (eg. unnatural behavior or getting stuck at all), please feel free to let me know.