Starknet Wallet Skill

Manage Starknet wallets for AI agents with native Account Abstraction support.

When to Use

• Creating, funding, and operating Starknet accounts for agent workflows.
• Checking balances, sending transfers, managing session keys, or invoking contracts from an agent wallet.

When NOT to Use

• DeFi-specific routing, staking, or lending flows better covered by starknet-defi.
• Cairo contract authoring, deployment-only operations, or security auditing.

Quick Start

1. Install the SDK dependencies and set Starknet RPC/account environment variables.
2. Use skills catalog to pivot to adjacent modules like DeFi, deployment, or auditing.

Prerequisites

npm install starknet@^8.9.1 @avnu/avnu-sdk@^4.0.1

Environment variables:

STARKNET_RPC_URL=https://starknet-mainnet.g.alchemy.com/v2/YOUR_KEY
STARKNET_ACCOUNT_ADDRESS=0x...
STARKNET_PRIVATE_KEY=0x...
AVNU_BASE_URL=https://starknet.api.avnu.fi (optional)
AVNU_PAYMASTER_URL=https://starknet.paymaster.avnu.fi (optional)
AVNU_PAYMASTER_API_KEY=your_key (optional, for free gas)

Available MCP Tools

The Starknet MCP Server provides these tools for wallet operations:

Tool	Purpose	Key Features
starknet_get_balance	Check single token balance	Simple, fast queries
starknet_get_balances	Check multiple token balances	Batch queries (up to 200 tokens), single RPC call
starknet_transfer	Send tokens	Supports gasless mode (paymaster)
starknet_call_contract	Read contract state	Call view functions
starknet_invoke_contract	Execute contract functions	Write operations, supports gasless
starknet_swap	Execute token swaps	AVNU integration, best price routing
starknet_get_quote	Get swap quotes	Price estimation before swap
starknet_register_agent	Register agent identity	ERC-8004 on-chain identity

Balance Tools Detail