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Sui MCP Server

Sui MCP Server

by EasonC13-agent
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Hybrid

Sui Agent MCP

MCP (Model Context Protocol) server that provides Sui blockchain tools for Claude Code.

npm version

Features

  • Wallet Control: Interact with Sui Agent Wallet for signing transactions

  • Move Development: Build, test, and publish Move smart contracts

  • On-chain Queries: Fetch object data and decompile contracts

Related MCP server: GOAT MCP Server

Tools (14 total)

Wallet Tools

Tool

Description

sui_wallet_address

Get current wallet address

sui_wallet_balance

Check SUI balance

sui_wallet_accounts

List all derived accounts

sui_wallet_pending

View pending signing requests

sui_wallet_approve

Approve a pending transaction

sui_wallet_reject

Reject a pending transaction

sui_wallet_switch_network

Switch network (mainnet/testnet/devnet/localnet)

sui_wallet_sign_execute

Sign and execute unsigned transaction

CLI Tools

Tool

Description

sui_cli

Run any Sui CLI command

sui_move_build

Build a Move package

sui_move_test_coverage

Run tests with coverage analysis

sui_move_publish_unsigned

Generate unsigned publish transaction

Query Tools

Tool

Description

sui_object

Get information about a Sui object

sui_decompile

Get Suivision URL for package source

Installation

Prerequisites

  1. Node.js 18+

  2. Sui CLI installed and configured

  3. Sui Agent Wallet (optional, for wallet tools): sui-skills

Add to Claude Code

# Option 1: Install from npm (recommended)
claude mcp add sui -- npx -y sui-agent-mcp

# Option 2: Clone and run locally
git clone https://github.com/EasonC13-agent/sui-mcp.git
cd sui-mcp
npm install
npm run build
claude mcp add sui -- node $(pwd)/dist/index.js

Verify Installation

claude mcp list
# Should show: sui

Configuration

Wallet Server URL

By default, the server connects to http://localhost:3847 for wallet operations. Override with environment variable:

SUI_WALLET_SERVER=http://localhost:3847 npx sui-mcp

Usage Examples

Once added to Claude Code, you can use natural language:

  • "What's my Sui wallet address?"

  • "Check my SUI balance"

  • "Build the Move package at ./my-contract"

  • "Run tests with coverage for the counter module"

  • "Publish this contract to testnet"

  • "Get info about object 0x123..."

Contract Deployment Workflow

  1. Build: sui_move_build

  2. Generate unsigned tx: sui_move_publish_unsigned

  3. Sign and execute: sui_wallet_sign_execute

Related Projects

License

MIT

Available Tools

14 tools
sui_cliB

Run any Sui CLI command (e.g., 'client gas', 'move build', 'client object ')

Inputs: args (required), cwd.

sui_decompileA

Get URL to view decompiled source code for a Sui package on Suivision

Inputs: packageId (required).

sui_move_buildC

Build a Move package

Inputs: packagePath (required).

sui_move_publish_unsignedA

Generate unsigned transaction bytes for publishing a Move package (use with sui_wallet_sign_execute)

Inputs: packagePath (required), gasBudget.

sui_move_test_coverageC

Run Move tests with coverage analysis

Inputs: packagePath (required), module.

sui_objectB

Get detailed information about a Sui object

Inputs: objectId (required).

sui_wallet_accountsA

List all accounts in the Sui Agent Wallet

Inputs: no named parameters.

sui_wallet_addressA

Get the current Sui Agent Wallet address

Inputs: no named parameters.

sui_wallet_approveA

Approve a pending transaction by request ID

Inputs: requestId (required).

sui_wallet_balanceA

Get the balance of the current Sui Agent Wallet

Inputs: no named parameters.

sui_wallet_pendingB

Get pending transactions waiting for approval

Inputs: no named parameters.

sui_wallet_rejectA

Reject a pending transaction by request ID

Inputs: requestId (required).

sui_wallet_sign_executeB

Sign and execute an unsigned transaction (base64 encoded tx bytes)

Inputs: txBytes (required).

sui_wallet_switch_networkA

Switch the wallet network (mainnet, testnet, devnet, localnet)

Inputs: network (required).

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    Deploy Server
    Claude Code, inside the Godot 4 editorFlockbay puts an AI agent in the real Godot 4 editor: it writes GDScript, runs your game and fixes what breaks. Free, or bring your own Claude Code or Codex.flockbay.comAd

    TDQS

    A3.7/5.0

    Scored across 14 tools

    Disambiguation5/5

    All tools have clearly distinct purposes. The wallet tools each handle different aspects (approve, reject, sign, etc.), the Move tools are separated by action (build, publish, test), and sui_cli is a catch-all for arbitrary commands, so no overlap.

    Naming Consistency5/5

    Every tool follows the 'sui_' prefix with snake_case and uses a consistent verb_noun pattern (e.g., sui_move_build, sui_wallet_approve). No mixing of conventions.

    Tool Count5/5

    14 tools is a well-scoped count for a Sui blockchain server. It covers wallet management, Move development, object queries, and a general CLI, without being overwhelming or too sparse.

    Completeness4/5

    Core workflows are covered: wallet operations, Move package management, object queries. A general CLI tool fills gaps for any missing functionality. Minor gaps exist for specific high-level operations like staking, but these are accessible via the CLI.

    Maintenance

    ActivityInactive
    ResponsivenessOutdated data

    Resources

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