sui-mcp-server
The most comprehensive Sui blockchain MCP server. 53 tools with GraphQL + JSON-RPC dual transport -- wallets, DeFi (Cetus, DeepBook), SuiNS, staking, validators, Move introspection, and the full Sui RPC surface.
Competitors offer 10-15 tools for basic operations. This server covers the entire Sui ecosystem in a single package.
Install
npx sui-mcp-server
Or install globally:
npm install -g sui-mcp-server
sui-mcp-server
Configure
Add to your MCP config (claude_desktop_config.json or ~/.mcp.json):
{
"mcpServers": {
"sui": {
"command": "npx",
"args": ["-y", "sui-mcp-server"]
}
}
}
No API key required -- connects directly to Sui public RPC nodes.
Tools (53)
Wallet Management (4)
Coin Operations (4)
Transfers (4)
Object Queries (5)
Transactions (4)
Move Smart Contracts (7)
Staking (4)
Events (1)
Network & Analytics (9)
SuiNS Name Service (4)
DeFi: Cetus DEX (2)
DeFi: DeepBook (1)
DeFi: Token Tools (3)
Faucet (1)
Why This One?
- 53 tools vs 10-15. Competitors like 0xdwong/sui-mcp cover basic operations. This server includes DeFi (Cetus, DeepBook), SuiNS, Move introspection, staking, validators, and full analytics.
- GraphQL + JSON-RPC dual transport. Built on the official
@mysten/suiv2.11 SDK with@mysten/suinsfor name service -- future-proofed for the GraphQL migration. - Tested end-to-end. 59 passing tests across devnet, testnet, and mainnet. Wallet creation, transfers, staking, DeFi queries, SuiNS resolution, and Move inspection all verified.
Token Shortcuts
Use symbol shortcuts instead of full coin type addresses:
Networks
Starts on devnet by default. Switch at any time with switch_network:
Security
- Keys are in-memory only -- never written to disk, never logged
- Private keys redacted from all error messages
- Rate limiting: 120 calls/minute (sliding window)
- All inputs validated with Zod strict schemas
Development
git clone https://github.com/ExpertVagabond/sui-mcp-server.git
cd sui-mcp-server
npm install
npm run build
npm start
License
MIT -- Matthew Karsten / Purple Squirrel Media