MCP server CX Codex

Solidity Compiler IDE — Claude Code MCP server: features and setup

This browser-based Solidity environment lets you write and compile smart contracts, then run them in a JavaScript VM without a wallet.

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What Solidity Compiler IDE does

Solidity Compiler IDE is part of Lyra Web3 Playground, a browser-based environment for smart contract development. Write or paste a contract, select “Compile,” then “Deploy” to run it in a JavaScript VM. A wallet is not needed for that step. The compiler supports Solidity versions from 0.6.x through 0.8.24.

For local use, run npm install && npm run dev and open the IDE in a browser. The hosted demo is offline, so local startup is the available route described here. The project description does not provide commands for connecting this MCP server to Claude Code.

What it helps with

write and compile a Solidity smart contract
run a contract in a JavaScript VM without a wallet
test a contract in a browser IDE
work with Solidity versions from 0.6.x through 0.8.24

Example prompts for the agent

Open the Solidity environment and help me compile this smart contract.
Show me how to run the contract in a JavaScript VM without a wallet.
Help me start Lyra Web3 Playground locally with npm install && npm run dev.

How to install Solidity Compiler IDE

Install

The MCP registry has no launch command for it: see the repository README

Step by step, with commands for each platform: How to add an MCP server to Claude Code, Codex, Cursor, VS Code, Gemini CLI and more

Questions about Solidity Compiler IDE

How do I install Solidity Compiler IDE in Claude Code?

There are no Claude Code connection commands for this MCP server. To run the project locally, use npm install && npm run dev, then open the IDE in a browser.

What does Solidity Compiler IDE do?

It provides a browser IDE for writing and compiling smart contracts, with deployment to a JavaScript VM that does not require a wallet.

Do I need a wallet to run a contract?

No. The IDE’s described deployment flow uses a JavaScript VM.

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