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LangChain

x402 Agent Tools for LangChain

io.github.signal-forge-ai/x402-agent-tools

Pay-per-call web, Base onchain and crypto-alert tools for agents. USDC on Base via x402, no API key.

client:LangChain transport:streamable-http tools:9

Install x402 Agent Tools in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "x402-agent-tools": {
            "transport": "streamable_http",
            "url": "https://x402-agent-tools.x402agenttools.workers.dev/mcp",
        }
})

tools = await client.get_tools()

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

What LangChain can do once it is connected

x402 Agent Tools in other clients