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Global Chat — x402 MCP Agent Discovery (LangGraph, CrewAI, Eliza, A2A) for LangChain

io.global-chat/mcp-server

x402-paid MCP server on Base L2 — LangGraph/CrewAI/Eliza/A2A agent-discovery + agent-marketplace.

client:LangChain transport:stdio runtime:npm

Install Global Chat — x402 MCP Agent Discovery (LangGraph, CrewAI, Eliza, A2A) in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "mcp-server": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@globalchatadsapp/mcp-server"],
        }
})

tools = await client.get_tools()

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

Global Chat — x402 MCP Agent Discovery (LangGraph, CrewAI, Eliza, A2A) in other clients