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mcp/harbor
LangChain

Posada Play for LangChain

dev.rohnelt.posadaplay/loteria

Posada Play: free printable PDF preview, browser customization and paid download availability.

client:LangChain transport:streamable-http tools:1

Install Posada Play in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "loteria": {
            "transport": "streamable_http",
            "url": "https://posadaplay.rohnelt.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

Posada Play in other clients

Posada Play MCP server