S
Sui Mcp Server
53-tool MCP server for Sui blockchain — wallets, DeFi, Move contracts, staking, SuiNS, analytics
Quick Install
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💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)
Capabilities & Tool Schemas (53)
Inspect callable tools, capabilities, and parameters exposed to AI agents by Sui Mcp Server.
create_walletCreate a new Ed25519 keypair (in-memory only, not persisted)
import_walletImport from a Bech32-encoded private key (`suiprivkey...`)
list_walletsList all wallets in the current session
get_balanceGet SUI balance for any address
get_all_balancesAll coin balances for an address (SUI + other coin types)
get_coinsCoin objects of a specific type owned by an address
Documentation Overview
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
Or install globally:
Configure
Add to your MCP config (claude_desktop_config.json or ~/.mcp.json):
No API key required -- connects directly to Sui public RPC nodes.
Tools (53)
Wallet Management (4)
| Tool | Description | Key Params |
|---|---|---|
create_wallet | Create a new Ed25519 keypair (in-memory only, not persisted) | -- |
import_wallet | Import from a Bech32-encoded private key (suiprivkey...) | privateKey |
list_wallets | List all wallets in the current session | -- |
get_balance | Get SUI balance for any address | address |
Coin Operations (4)
| Tool | Description | Key Params |
|---|---|---|
get_all_balances | All coin balances for an address (SUI + other coin types) | address |
get_coins | Coin objects of a specific type owned by an address | address, coinType |
get_coin_metadata | Metadata for a coin type (name, symbol, decimals) | coinType |
get_total_supply | Total circulating supply of a coin type | coinType |
Transfers (4)
| Tool | Description | Key Params |
|---|---|---|
transfer_sui | Transfer SUI between addresses (amount in SUI, not MIST) | from, to, amount |
transfer_objects | Transfer one or more objects to a recipient | from, objectIds, to |
merge_coins | Merge multiple coins into one (handles gas conflicts) | walletName, coinType |
split_coins | Split a coin into multiple coins | walletName, coinId, amounts |
Object Queries (5)
| Tool | Description | Key Params |
|---|---|---|
get_object | Full details of any on-chain object by ID | objectId |
get_owned_objects | Objects owned by an address with optional type filtering | address, type |
get_dynamic_fields | Dynamic fields of an object (tables, bags) | parentId |
multi_get_objects | Batch-fetch up to 50 objects in one call | objectIds |
get_object_history | Trace all transactions that touched a given object | objectId |
Transactions (4)
| Tool | Description | Key Params |
|---|---|---|
get_transaction | Full transaction details by digest | digest |
dry_run_transaction | Dry-run to preview effects without executing | txBytes |
query_transactions | Search by sender, recipient, object, or Move function | filter |
get_total_transactions | Total transaction count on the network | -- |
Move Smart Contracts (7)
| Tool | Description | Key Params |
|---|---|---|
move_call | Execute a Move function call | walletName, target, arguments |
dev_inspect | Simulate a Move call without executing (no wallet needed) | sender, target, arguments |
get_normalized_module | Full Move module definition (functions, structs) | package, module |
get_move_function | Move function details (params, return types, visibility) | package, module, function |
get_move_struct | Move struct definition (fields, abilities) | package, module, struct |
get_package_modules | List all modules in a Move package | package |
get_move_call_metrics | Network-wide Move call metrics | -- |
Staking (4)
| Tool | Description | Key Params |
|---|---|---|
get_stakes | All staking positions for an address | address |
request_add_stake | Stake SUI with a validator | walletName, amount, validator |
request_withdraw_stake | Withdraw staked SUI | walletName, stakedSuiId |
get_validators | Full validator set with APY, commission, and stake amounts | -- |
Events (1)
| Tool | Description | Key Params |
|---|---|---|
query_events | Query on-chain events by type, sender, package, or digest | filter |
Network & Analytics (9)
| Tool | Description | Key Params |
|---|---|---|
switch_network | Switch between mainnet, testnet, devnet, localnet | network |
get_network_info | Chain ID, epoch, gas price, latest checkpoint | -- |
get_latest_checkpoint | Latest checkpoint sequence number | -- |
get_reference_gas_price | Current reference gas price in MIST | -- |
get_checkpoint | Detailed checkpoint data by sequence number | sequenceNumber |
get_epoch_info | Historical epoch data (times, stakes, gas summaries) | epoch |
get_protocol_config | Sui protocol configuration (limits, features) | -- |
get_system_state | Full system state: epoch, validators, storage fund | -- |
get_committee_info | Validator committee info for any epoch | epoch |
SuiNS Name Service (4)
| Tool | Description | Key Params |
|---|---|---|
resolve_name | Resolve example.sui to a Sui address | name |
resolve_address | Reverse-resolve an address to SuiNS name(s) | address |
suins_get_name_record | Full name record -- NFT ID, target, expiration, metadata | name |
suins_get_price | Registration and renewal pricing by name length | length |
DeFi: Cetus DEX (2)
| Tool | Description | Key Params |
|---|---|---|
cetus_get_pools | Query Cetus CLMM pools by coin types | coinTypeA, coinTypeB |
cetus_get_pool | Detailed pool data for a specific Cetus pool | poolId |
DeFi: DeepBook (1)
| Tool | Description | Key Params |
|---|---|---|
deepbook_get_pool | DeepBook v3 order book data -- pool state and dynamic fields | poolId |
DeFi: Token Tools (3)
| Tool | Description | Key Params |
|---|---|---|
get_token_price | Token price by querying DeFi pool reserves | token |
swap_quote | Swap quote by simulating against a pool | tokenIn, tokenOut, amount |
list_common_tokens | Common Sui tokens with full coin type addresses | -- |
Faucet (1)
| Tool | Description | Key Params |
|---|---|---|
request_faucet | Request SUI from faucet (devnet and testnet only) | address |
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:
| Shortcut | Full Coin Type |
|---|---|
SUI | 0x2::sui::SUI |
USDC | 0xdba34672e...::usdc::USDC |
USDT | 0xc060006111...::coin::COIN |
WETH | 0xaf8cd5edc1...::coin::COIN |
DEEP | 0xdeeb7a4662...::deep::DEEP |
Networks
Starts on devnet by default. Switch at any time with switch_network:
| Network | RPC Endpoint |
|---|---|
mainnet | https://fullnode.mainnet.sui.io:443 |
testnet | https://fullnode.testnet.sui.io:443 |
devnet | https://fullnode.devnet.sui.io:443 |
localnet | http://127.0.0.1:9000 |
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
License
MIT -- Matthew Karsten / Purple Squirrel Media
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