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Hephaestus

by alphamode

Hephaestus is a Fabric port of a Forge tool-crafting mod, letting players build tools from many materials and then modify them into other tools.

FabricQuiltClient and serverMIT LicenseOpen source1.18.2 – 1.20.1

What it does

Tools are assembled from parts made of different materials, and each finished tool can be modified again to become something else. A tool is not consumed by these changes, can be renamed, and stays with the player who made it. Hephaestus needs Fabric API and runs on client and server, so both the server and every player need it. Builds are published for Fabric and Quilt, for 1.18.2 – 1.20.1, under the MIT License and open source. Files for 1.18.2 are the latest on Fabric, and files for 1.20.1 are the latest on Quilt.

Key features

  1. Modular tool assembly

    Tools are put together from several parts, and the choice of material for each part changes how the finished tool behaves.

  2. Tool modification

    A finished tool can be modified into another form, so one item can keep changing over the course of play.

  3. Persistent, renamable tools

    Tools are never lost to these changes, and each can be given a custom name.

Compatibility

Latest build for each game version and loader.

No stable releases
Every published file is a beta or alpha build.
1.20.11.20.1-3.6.4.3051.20.1-3.6.3.222
1.201.20.1-3.6.3.240Not available
1.19.41.19.4-3.6.3.204Not available
1.18.21.18.2-3.5.2.3121.18.2-3.5.2.149
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Optional 1

Roughly Enough Items (REI)Clean and Customizable. Alternative to Just Enough Items/JEI.
Optional

Required by 3 mods

How it compares

Full comparison

Construct and Better Combat is a Fabric, Forge and Quilt mod for 1.18.2 – 1.19.2 that is server required with an optional client, and it is not open source. Heart Canisters is open source under the GNU General Public License v3.0 only and covers 1.19 – 1.20.2 on Fabric and Quilt, with both sides needing it.

ModLoadersGame versionsEnvironmentUpdated
HephaestusFabric and Quilt1.18.2 – 1.20.1Client and server2025-11-27
Construct and Better CombatFabric, Forge and Quilt1.18.2 – 1.19.2Server required, client optional2024-05-03
Heart CanistersFabric and Quilt1.19 – 1.20.2Client and server2023-12-08

Questions

Does Hephaestus need Fabric API?

Yes. Fabric API is a required dependency and must be installed alongside Hephaestus.

Does the server need Hephaestus?

Yes. Servers that run it need every player to install it too.

Will Hephaestus be updated for 1.19.2?

The author has stated that no 1.19.2 port is planned and that 1.18.2 builds receive no support.

In the catalog

Hephaestus is one of 8,499 Technology mods on ModsFinder, and one of 4,201 Technology mods for Fabric. 34,764 mods support Minecraft 1.20.1.

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What the author says

Hephaestus is a Fabric port of the Forge mod Tinkers' Construct. Hephaestus is a mod about putting tools together in a wide variety of ways, then modifying them until they turn into something else. The tools never disappear and can be named and changed to your heart's desire. Once you make them, they're yours…
alphamode, on the Modrinth page

Official listing

Owner
alphamode
Published
2022-09-03
Updated on Modrinth
2025-11-27
Facts verified
2026-10-15

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