Skip to content
LangChain

mockserver for LangChain

com.mock-server/mockserver

Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.

client:LangChain transport:stdio runtime:oci

Install mockserver in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "mockserver": {
            "transport": "stdio",
            "command": "docker",
            "args": ["run", "-i", "--rm", "docker.io/mockserver/mockserver:8.0.0"],
        }
})

tools = await client.get_tools()

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

mockserver in other clients