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LangChain

Agent Tools (x402 pay-per-call) for LangChain

dev.workers.faling-bot.agent-tools/x402-web-tools

URL-to-Markdown ($0.002) and summarization ($0.003), paid per call in USDC on Solana via x402.

client:LangChain transport:streamable-http tools:8

Install Agent Tools (x402 pay-per-call) in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "x402-web-tools": {
            "transport": "streamable_http",
            "url": "https://agent-tools.faling-bot.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

Agent Tools (x402 pay-per-call) in other clients