Skill 01 wallet management

Skill vaquarkhan/web3-agent-skills/skills/skill-01-wallet-management

Production-grade Agent Skills for Web3 AI agents: 15 workflows, 6 MCP servers, DeFi/NFT/compliance guardrails, and VS Code/JetBrains installers.

Install

npx -y skills add vaquarkhan/web3-agent-skills --skill skill-01-wallet-management

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Manages Web3 wallets including HD derivation, ERC-4337 account abstraction, multi-sig (Safe), and social recovery. Use when creating wallets, signing transactions, managing keys, or configuring smart accounts.

SKILL.md

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Wallet Management

When to Use

Creating or importing HD wallets (BIP-39/BIP-44)
Configuring ERC-4337 smart accounts (bundlers, paymasters)
Setting up Gnosis Safe or multi-sig workflows
Implementing social recovery or session keys
Managing wallet connections (WalletConnect, EIP-6963)

Prerequisites

MCP: blockchain-rpc-server for chain reads
MCP: compliance-screening-server before sending to external addresses
Apply all rules in guardrails/web3-guardrails.yaml

Workflow

1. Wallet Type Selection

Use Case	Recommendation
Single user EOA	HD wallet (MetaMask-compatible path `m/44'/60'/0'/0/n`)
Team treasury	Gnosis Safe multi-sig
Gasless UX	ERC-4337 smart account + paymaster
High-frequency trading	Session keys with spending limits

2. HD Wallet Derivation

Ethereum path: m/44'/60'/0'/0/{index}
Solana path:   m/44'/501'/{index}'/0'

Use references/hd-paths.md for all supported chains. Never log or persist mnemonic phrases.

3. ERC-4337 Account Abstraction

Deploy or connect to existing smart account (SimpleAccount, Kernel, Safe4337)
Configure entry point: 0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789 (v0.6)
Select bundler URL (Pimlico, Alchemy, Stackup)
Optional: configure paymaster for sponsored gas

4. Multi-Sig (Safe)

Create Safe with threshold M-of-N
Add owners via createProxyWithNonce
Propose transactions via Safe Transaction Service API
Collect signatures off-chain, execute on-chain

5. Pre-Execution Checks

Simulate transaction via eth_call or Tenderly
Screen recipient via compliance MCP
Verify chain ID matches intended network
Confirm value ≤ $10,000 or obtain user confirmation

Key Security Rules

NEVER output, store, or transmit private keys or seed phrases
Use hardware wallets or secure enclaves for mainnet signing
Rotate session keys regularly; set expiry and spending caps
Prefer read-only RPC for balance queries

References

references/hd-paths.md — BIP-44 paths per chain
references/erc4337-setup.md — Smart account configuration
knowledge-base/chains/ — Per-chain RPC and explorer URLs