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MCP OAuth client-interop conformance for LangChain

com.textforagents/mcp-oauth-client-interop-conformance

Prove real MCP clients can connect: 5-client x 3-IdP OAuth matrix with shim fixes.

client:LangChain transport:streamable-http tools:5

Install MCP OAuth client-interop conformance in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "mcp-oauth-client-interop-conformance": {
            "transport": "streamable_http",
            "url": "https://textforagents.com/products/mcp-oauth-client-interop-conformance/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

MCP OAuth client-interop conformance in other clients