MCP3 Monorepo
About
MCP3 Monorepo contains implementations of the Model Context Protocol (MCP) for different blockchain networks. It provides tools and services for blockchain data access and interaction, including packages for Sui, Ethereum, and data integrations like DexScreener and DeFiLlama.
Details
- Author
- sentioxyz
- GitHub stars
- 2
- Downloads
- 128
- Categories
- Other
Jump to
- Unified CLI with tool command for all sub-project tools
- Sui blockchain tools (wallets, Cetus, Navi protocols)
- Ethereum implementation of MCP
- DexScreener and DeFiLlama API integrations
- Transaction server and React UI component library
- Shared utilities via @mcp3/common package
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
MCP3 MonorepoCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
Install and configure via the CLI tool npx @mcp3/sui. For Claude Desktop, add the configuration to your claude_desktop_config.json using the command npx -y @mcp3/sui start -t. Use the CLI with npx @mcp3/sui --help to list all commands, or npx @mcp3/sui tool <tool-name> to run a specific tool.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"mcp3 monorepo": {
"mcp3-sui": {
"command": "npx",
"args": [
"-y",
"@mcp3/sui",
"start",
"-t"
]
}
}
}
}McpServers
{
"mcp3-sui": {
"command": "npx",
"args": [
"-y",
"@mcp3/sui",
"start",
"-t"
]
}
}MCP3 Monorepo
This monorepo contains implementations of the Model Context Protocol for different blockchain networks, providing tools and services for blockchain data access and interaction.
How to use MCP3 for SUI
MCP3 provides a comprehensive suite of tools for interacting with the Sui blockchain. The main package @mcp3/sui offers a CLI and API for common operations, while specialized packages provide additional functionality for specific protocols and use cases.
Claude Desktop Quick Start
Add following to your claude desktop config
{
...
"mcpServers": {
...
"mcp3-sui": {
"command": "npx",
"args": [
"-y",
"@mcp3/sui",
"start",
"-t"
]
}
...
}
}
Use CLI
For a list of available commands and options, run:
npx @mcp3/sui --help
Using the Tool Command
MCP3 provides a unified tool command that organizes all tools from sub-projects as subcommands. To see all available tools, run:
npx @mcp3/sui tool
This will display a list of all available tools grouped by their prefix (e.g., sui-cetus, sui-wallets, etc.).
To run a specific tool, use:
npx @mcp3/sui tool <tool-name> [options]
For example:
npx @mcp3/sui tool sui-wallets-list
npx @mcp3/sui tool sui-cetus-pool-list
Packages
Core Packages
-@mcp3/common: Shared utilities, types, and tools used across all implementations
- @mcp3/eth: Ethereum implementation of the Model Context Protocol
- @mcp3/sui: Sui Network implementation of the Model Context Protocol
Sui Ecosystem Packages
-@mcp3/sui-base: Base utilities and tools for Sui Network
- @mcp3/sui-wallets: Wallet management tools for Sui Network
- @mcp3/sui-cetus: Cetus Protocol integration for Sui Network
- @mcp3/sui-navi: Navi Protocol integration for Sui Network
Data Integration Packages
-@mcp3/dex-screener: DexScreener API integration for MCP3
- @mcp3/defilama: DeFiLlama API integration for MCP3
Transaction Management
-@mcp3/transaction-server: Server for handling transactions and serving the transaction UI
- @mcp3/transaction-ui: React component library for transaction signing and submission
Development
This project uses pnpm as the package manager and workspaces for managing the monorepo.
CLI Structure
MCP3 uses a unified CLI structure where:
1. All tools from sub-projects are registered as subcommands of a main tool command
2. When no specific tool is named, the CLI automatically lists all available tools
3. Tools are grouped by their prefix for better organization
4. Tools are only accessible through the tool command
When implementing new tools:
1. Register your tool using registration.addTool() in your package
2. Create a callback function that registers all tools in your package
3. Pass this callback to the startCli function as the second parameter
Example:
// Create a callback function to register tools
const registerTools = async (reg: Registration) => {
// Register your tools
registerYourTools(reg);
};
// Register tools immediately for the main CLI
registerTools(registration);
// Pass the callback to startCli
startCli(registration, registerTools);
Prerequisites
- Node.js (v18 or higher)
- pnpm (v8 or higher)
Setup
```bash
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