Barzkit — Self Custody Ai Agent Wallets
@barzkit
About Barzkit — Self Custody Ai Agent Wallets
Self-custody AI agent wallets with passkeys, gasless transactions & programmable permissions (ERC-4337)
Basic information
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"barzkit": {
"command": "npx",
"args": [
"@barzkit/mcp"
],
"env": {
"BARZ_OWNER_KEY": "0xYOUR_PRIVATE_KEY",
"PIMLICO_API_KEY": "pim_YOUR_KEY",
"BARZ_CHAIN": "sepolia"
}
}
}
}Tools
9Create a new ERC-4337 smart account on Sepolia, Base Sepolia, or Base
Send ETH or ERC-20 tokens to a recipient address
Check wallet balance for ETH or specific token
Swap tokens on Uniswap V3
Deposit tokens into Aave V3 lending pool
Execute multiple transactions atomically in one UserOperation
Emergency freeze — kill switch
Resume normal wallet operations
Fetch URL with automatic x402 payment
Overview
What is Barzkit — Self Custody Ai Agent Wallets?
An MCP server that gives AI agents self-custody ERC-4337 smart wallets on Ethereum testnets and mainnets. Designed for use with Claude Desktop, Cursor, Windsurf, VS Code Copilot, and any MCP-compatible client.
How to use Barzkit — Self Custody Ai Agent Wallets?
Add a barzkit entry to your client’s MCP configuration file using npx @barzkit/mcp. After configuration, ask the AI assistant wallet‑related natural language commands. The create_wallet tool must be run first; afterward all other tools become available.
Key features of Barzkit — Self Custody Ai Agent Wallets
- Create ERC-4337 smart accounts on Sepolia, Base Sepolia, or Base
- Send ETH or ERC-20 tokens to any address
- Check wallet balances for ETH or specific tokens
- Swap tokens via Uniswap V3
- Lend tokens into Aave V3 lending pools
- Emergency freeze and unfreeze wallet operations
Use cases of Barzkit — Self Custody Ai Agent Wallets
- An AI agent creates a self‑custody wallet and funds it
- The agent sends payments or transfers tokens on the user’s behalf
- Automated token swaps and DeFi lending executed through natural language
- Batch multiple transactions into a single atomic UserOperation
- Emergency freeze of the wallet when suspicious activity is detected
FAQ from Barzkit — Self Custody Ai Agent Wallets
What are the prerequisites?
Node.js ≥ 18, a Pimlico API key (free tier: 100 UserOps/day), and an owner private key.
Must create_wallet be called first?
Yes — the wallet must be initialized with create_wallet before any other tool can be used.
Does the server support token swaps and lending?
Yes. Swaps are done via Uniswap V3 and lending via Aave V3.
What blockchains are supported?
Sepolia, Base Sepolia, and Base.
Is there an emergency freeze feature?
Yes. freeze_wallet acts as a kill switch, and unfreeze_wallet resumes normal operations.
More AI & Agents MCP servers
Just Prompt - A lightweight MCP server for LLM providers
dislerjust-prompt is an MCP server that provides a unified interface to top LLM providers (OpenAI, Anthropic, Google Gemini, Groq, DeepSeek, and Ollama)
MCP-LLM Bridge
patruffBridge between Ollama and MCP servers, enabling local LLMs to use Model Context Protocol tools
Sequential Thinking Multi-Agent System (MAS)
FradSerAn advanced sequential thinking process using a Multi-Agent System (MAS) built with the Agno framework and served via MCP.
🛡️ A.I.G（AI-Infra-Guard）
TencentA full-stack AI Red Teaming platform securing AI ecosystems via OpenClaw Security Scan, Agent Scan, Skills Scan, MCP scan, AI Infra scan and LLM jailbreak evaluation.
Mcp Agent
lastmile-aiBuild effective agents using Model Context Protocol and simple workflow patterns
Comments