Setup Solidity Contracts

Organization

OpenZeppelin

setup-solidity-contracts

Set up a Solidity smart contract project with OpenZeppelin Contracts. Use when users need to: (1) create a new Hardhat or Foundry project, (2) install OpenZeppelin Contracts dependencies for Solidity, (3) configure remappings for Foundry, or (4) understand Solidity import conventions for OpenZeppelin.

Overview

Publisher	OpenZeppelin
Repository	`openzeppelin-skills`
Skill name	`setup-solidity-contracts`
Stars	219
Forks	36
Bundled files	Instructions only
License	AGPL-3.0-only
Links	Skill source Repository

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by OpenZeppelin on GitHub. Read the source before you install it.

Installation

Install the Setup Solidity Contracts AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/OpenZeppelin/openzeppelin-skills/tree/main/skills/setup-solidity-contracts
Enable the skill in any chat where you want it available.

Store

Installed

Skills

Add skills

Import one or more skills from a public GitHub folder or a local .skill or .zip archive, or SKILL.md file.

From GitHub URLFrom .skill, .zip, or SKILL.md

GitHub repo or folder

https://github.com/OpenZeppelin/openzeppelin-skills/tree/main/skills/setup-solidity-contracts

Points to a single skill folder, or any folder that contains multiple skills. Public repos only.

CancelContinue

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/OpenZeppelin/openzeppelin-skills.git /tmp/openzeppelin-skills
mkdir -p .claude/skills
cp -r /tmp/openzeppelin-skills/skills/setup-solidity-contracts .claude/skills/setup-solidity-contracts

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Setup Solidity Contracts in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Setup Solidity Contracts on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Setup Solidity Contracts is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Solidity Setup

For existing projects, detect the framework by looking for hardhat.config.* (Hardhat) or foundry.toml (Foundry). For new projects, ask the user which framework they prefer.

Hardhat Setup

Initialize project (only if starting a new project)

bash
npx hardhat init        # Hardhat v2
npx hardhat --init      # Hardhat v3

Install OpenZeppelin Contracts:

bash
npm install @openzeppelin/contracts

If using upgradeable contracts, also install the upgradeable variant:

bash
npm install @openzeppelin/contracts-upgradeable

Foundry Setup

Install Foundry

bash
curl -L https://foundry.paradigm.xyz | bash
foundryup

Initialize project (only if starting a new project)

bash
forge init my-project
cd my-project

Add OpenZeppelin Contracts:

bash
forge install OpenZeppelin/openzeppelin-contracts@v<VERSION>

If using upgradeable contracts, also add the upgradeable variant:

bash
forge install OpenZeppelin/openzeppelin-contracts-upgradeable@v<VERSION>

Look up the current version from https://github.com/OpenZeppelin/openzeppelin-contracts/releases. Pin to a release tag — without one, forge install pulls the default branch, which may be unstable.

remappings.txt (if not using upgradeable contracts)

text
@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/

remappings.txt (if using upgradeable contracts)

text
@openzeppelin/contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/
@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/

Note The above remappings mean that both @openzeppelin/contracts/ (including proxy contracts) and @openzeppelin/contracts-upgradeable/ come from the openzeppelin-contracts-upgradeable submodule and its subdirectories, which includes its own transitive copy of openzeppelin-contracts of the same release version number. This format is needed for Etherscan verification to work. Particularly, any copies of openzeppelin-contracts that are installed separately are NOT used.

Import Conventions

Standard: @openzeppelin/contracts/token/ERC20/ERC20.sol
Upgradeable: @openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol
Use upgradeable variants only when deploying behind proxies; otherwise use standard contracts.

Frequently asked questions

What does the Setup Solidity Contracts AI skill do?

Why use Setup Solidity Contracts on TypingMind?

Because you install it once and use it with any model. Setup Solidity Contracts is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Setup Solidity Contracts in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/OpenZeppelin/openzeppelin-skills/tree/main/skills/setup-solidity-contracts. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Setup Solidity Contracts?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Setup Solidity Contracts?

As many as you like. As long as a model supports skills, you can use Setup Solidity Contracts with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Setup Solidity Contracts AI skill free?

Yes. It is published on GitHub by OpenZeppelin under the AGPL-3.0-only license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Solidity Setup

Hardhat Setup

Foundry Setup

Import Conventions

Frequently asked questions

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