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A2A Gateway — Base Token Guard & x402 Settlement for LangChain

trade.musefish.a2a/a2a-gateway

Free signup, 2 points, one command. Base token risk checks, route simulation, x402-paid.

client:LangChain transport:streamable-http

Install A2A Gateway — Base Token Guard & x402 Settlement in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "a2a-gateway": {
            "transport": "streamable_http",
            "url": "https://a2a.musefish.trade/mcp",
        }
})

tools = await client.get_tools()

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

A2A Gateway — Base Token Guard & x402 Settlement in other clients