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Vulcan

Vulcan is a Solidity development and testing framework for Foundry projects, built on forge-std. It provides testing utilities including assertion helpers, formatted output and an API for running external commands, and describes Huff support for Foundry tests.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Vulcan — OpenViST project profile in Developer Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Consider Vulcan when extending a Foundry project with more readable Solidity testing utilities, formatted diagnostics or command helpers, while accounting for its stated maintenance status.

Who it is for

  • Solidity developers working with Foundry test suites.
  • Developers who want readable assertions, formatted test diagnostics or external-command handling in tests.

Documented uses

  • Write Solidity tests with expectation-style assertion helpers.
  • Print formatted strings and decimal values as test diagnostics.
  • Run external commands from a test workflow and inspect command output or result status.
  • Explore Huff language testing in Foundry projects.
Before you choose

Requirements & limits

The repository provides installation through Foundry's forge command and lists an MIT license.

  • Vulcan builds on forge-std and is installed as a Foundry project dependency.
  • The repository documents assertion helpers, formatted output, command execution utilities and Huff support.
  • The repository warns that Vulcan is not actively maintained.
  • Mocking and deployment management are listed as planned features, not established current functionality.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install Vulcan in a Foundry project

Add Vulcan as a dependency to a Foundry project.

Before you start

  • A Foundry project
  • Foundry's forge command

Steps

  1. Run forge install nomoixyz/vulcan to install the latest release.

  2. For a specific release, run forge install nomoixyz/vulcan@x.y.z, substituting a release tag listed in the repository.

Expected outcome

Vulcan is added to the project as a Foundry dependency.

Guide limitations

  • The repository says Vulcan is not actively maintained.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
13 October 2026
Original website title
nomoixyz/vulcan · Official homepage title · retained in its source language
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