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LangChain

crossingkey mcp for LangChain

com.crossingkeyintelligence/crossingkey-mcp

CrossingKey MCP for agent commerce, x402 payments, deterministic execution, and verifiable receipts.

client:LangChain transport:streamable-http tools:6

Install crossingkey mcp in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "crossingkey-mcp": {
            "transport": "streamable_http",
            "url": "https://mcp.crossingkeyintelligence.com/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

crossingkey mcp in other clients