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Onchain Agent Wallets for LangChain

io.github.nirholas/onchain-agent-wallets

Give an AI agent a Solana spending allowance instead of your key. Chain-enforced cap, x402.

client:LangChain transport:stdio runtime:npm

Install Onchain Agent Wallets in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "onchain-agent-wallets": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@three-ws/onchain-agent-wallets"],
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

Onchain Agent Wallets in other clients