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mcp/harbor
LangChain

agent harness for LangChain

io.github.cuonztech/agent-harness

MCP chaos-testing toolkit. Default: simulated demo. Configure proxy mode to test a real agent.

client:LangChain transport:stdio runtime:npm

Install agent harness in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "agent-harness": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "cuonztech-agent-harness"],
        }
})

tools = await client.get_tools()

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

agent harness in other clients

agent harness MCP server