MCPInstall

solidity-development

by pluginagentmarketplaceBusiness & Finance

Master Solidity smart contract development with patterns, testing, and best practices

Installs
208
Last 24h
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Trending rank
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Security
Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/pluginagentmarketplace/custom-plugin-blockchain --skill solidity-development
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads solidity-development automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Solidity Development Skill

Master Solidity smart contract development with design patterns, testing strategies, and production best practices.

Quick Start

# Invoke this skill for Solidity development
Skill("solidity-development", topic="patterns", solidity_version="0.8.24")

Topics Covered

1. Language Features (0.8.x)

Modern Solidity essentials:

  • Data Types: Value, reference, mappings
  • Functions: Visibility, modifiers, overloading
  • Inheritance: Diamond problem, C3 linearization
  • Custom Errors: Gas-efficient error handling

2. Design Patterns

Battle-tested patterns:

  • CEI: Checks-Effects-Interactions
  • Factory: Contract deployment patterns
  • Proxy: Upgradeable contracts
  • Access Control: RBAC, Ownable

3. Testing

Comprehensive test strategies:

  • Unit Tests: Foundry, Hardhat
  • Fuzz Testing: Property-based testing
  • Invariant Testing: System-wide properties
  • Fork Testing: Mainnet simulation

4. Upgradability

Safe upgrade patterns:

  • UUPS: Self-upgrading proxy
  • Transparent: Admin separation
  • Beacon: Shared implementation
  • Diamond: Multi-facet

Code Examples

CEI Pattern

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

contract SecureVault {
    mapping(address => uint256) public balances;

    error InsufficientBalance();
    error TransferFailed();

    function withdraw(uint256 amount) external {
        // 1. CHECKS
        if (balances[msg.sender] < amount) revert InsufficientBalance();

        // 2. EFFECTS
        balances[msg.sender] -= amount;

        // 3. INTERACTIONS
        (bool ok,) = msg.sender.call{value: amount}("");
        if (!ok) revert TransferFailed();
    }
}

Factory Pattern

contract TokenFactory {
    event TokenCreated(address indexed token, address indexed owner);

    function createToken(
        string memory name,
        string memory symbol
    ) external returns (address) {
        Token token = new Token(name, symbol, msg.sender);
        emit TokenCreated(address(token), msg.sender);
        return address(token);
    }
}

Foundry Test

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "forge-std/Test.sol";

contract VaultTest is Test {
    Vault vault;
    address alice = makeAddr("alice");

    function setUp() public {
        vault = new Vault();
        vm.deal(alice, 10 ether);
    }

    function test_Deposit() public {
        vm.prank(alice);
        vault.deposit{value: 1 ether}();

        assertEq(vault.balances(alice), 1 ether);
    }

    function testFuzz_Withdraw(uint256 amount) public {
        amount = bound(amount, 0.01 ether, 10 ether);

        vm.startPrank(alice);
        vault.deposit{value: amount}();
        vault.withdraw(amount);
        vm.stopPrank();

        assertEq(vault.balances(alice), 0);
    }

    function test_RevertWhen_InsufficientBalance() public {
        vm.prank(alice);
        vm.expectRevert(Vault.InsufficientBalance.selector);
        vault.withdraw(1 ether);
    }
}

Pattern Reference

PatternUse CaseComplexity
CEIAll state changesLow
FactoryMultiple instancesLow
Clone (1167)Gas-efficient copiesMedium
UUPSUpgradeableMedium
DiamondUnlimited sizeHigh

Common Pitfalls

PitfallIssueSolution
Stack too deep>16 variablesUse structs or helpers
Contract too large>24KBSplit into libraries
ReentrancyState after callUse CEI pattern
Missing accessAnyone can callAdd modifiers

Troubleshooting

"Stack too deep"

// Solution 1: Use struct
struct Params { uint256 a; uint256 b; uint256 c; }

// Solution 2: Block scoping
{ uint256 temp = x + y; }

// Solution 3: Internal function
function _helper(uint256 a) internal { }

"Contract size exceeds limit"

# Check contract sizes
forge build --sizes

Solutions: Split into libraries, use Diamond pattern.

Security Checklist

  • CEI pattern on all withdrawals
  • Access control on admin functions
  • Input validation (zero address, bounds)
  • Reentrancy guards on external calls
  • Event emission for state changes
  • Custom errors for gas efficiency

CLI Commands

# Development workflow
forge init                    # New project
forge build                   # Compile
forge test -vvv               # Run tests
forge coverage                # Coverage report
forge fmt                     # Format code
forge snapshot                # Gas snapshot

Cross-References

  • Bonded Agent: 03-solidity-expert
  • Related Skills: ethereum-development, smart-contract-security

Version History

VersionDateChanges
2.0.02025-01Production-grade with Foundry, patterns
1.0.02024-12Initial release

FAQ

What does the solidity-development skill do?

Master Solidity smart contract development with patterns, testing, and best practices

How do I install solidity-development?

Run npx skills add https://github.com/pluginagentmarketplace/custom-plugin-blockchain --skill solidity-development in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/solidity-development/ (personal) or .claude/skills/solidity-development/ (project).

Which AI agents can use solidity-development?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is solidity-development safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains solidity-development?

It is published by pluginagentmarketplace in pluginagentmarketplace/custom-plugin-blockchain. It has 208 recorded installs.

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