Sui GraphQL MCP Server

Query the Sui blockchain directly from Claude using GraphQL.

Installation

claude mcp add sui-graphql -- npx -y github:Sceat/sui-graphql-mcp

Usage

Ask Claude to query Sui blockchain data:

"What's the latest checkpoint on Sui?"
"Show me the balance of address 0x5"
"Get recent transactions"
"Simulate this transaction"

Network Configuration

Default: Testnet

To use other networks, edit your config (~/.claude.json):

{
  "mcpServers": {
    "sui-graphql": {
      "env": {
        "SUI_GRAPHQL_URL": "https://graphql.mainnet.sui.io/graphql"
      }
    }
  }
}

Available networks:

• Testnet: https://graphql.testnet.sui.io/graphql (default)
• Mainnet: https://graphql.mainnet.sui.io/graphql
• Devnet: https://graphql.devnet.sui.io/graphql

Local Development

If you want to develop or modify the server:

git clone https://github.com/Sceat/sui-graphql-mcp.git
cd sui-graphql-mcp
npm install
chmod +x index.js

Then add to your Claude Code config:

{
  "mcpServers": {
    "sui-graphql": {
      "command": "node",
      "args": ["/path/to/sui-graphql-mcp/index.js"],
      "env": {
        "SUI_GRAPHQL_URL": "https://graphql.testnet.sui.io/graphql"
      }
    }
  }
}

Requirements

• Node.js 18+
• Claude Code

License

MIT