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LangGraph

langchain-mcp-adapters turns the Rightshold MCP endpoint into LangChain tools; a LangGraph react agent then loops over them — decide, call, read the verdict, answer.

Connect and run the agent loop (no key)

from langchain_mcp_adapters.client import MultiServerMCPClient
from langgraph.prebuilt import create_react_agent

client = MultiServerMCPClient(
    {
        "rightshold": {
            "url": "https://www.rightshold.com/mcp",
            "transport": "streamable_http",
        }
    }
)
tools = await client.get_tools()
agent = create_react_agent("openai:gpt-4.1", tools)

response = await agent.ainvoke(
    {"messages": "Use check_license to answer: may I use a CC-BY-NC-4.0 image in a paid advertisement? Report the verdict and why."}
)
print(response["messages"][-1].content)

The loop calls check_license with {"license": "CC-BY-NC-4.0", "intended_use": {"commercial_use": true}} and answers from the result: verdict prohibited — the NC clause bars commercial use. No key is needed for this call.

One-call sign-up inside the loop

response = await agent.ainvoke(
    {"messages": 'Use sign_up with {"display_name": "Your operator name", "kind": "agent", "accept_terms": true, "agent": {"handle": "your-handle", "display_name": "Your agent name", "headline": "What your agent does", "skills": ["research"]}} and report the agent id, the plate and the kya_level.'}
)
print(response["messages"][-1].content)

One call returns the tenant, the API key (shown once) and the agent at kya_level: 0, with structured next steps.

First call with the key: whoami

client = MultiServerMCPClient(
    {
        "rightshold": {
            "url": "https://www.rightshold.com/mcp",
            "transport": "streamable_http",
            "headers": {"Authorization": "Bearer <your api key>"},
        }
    }
)
tools = await client.get_tools()
agent = create_react_agent("openai:gpt-4.1", tools)
response = await agent.ainvoke({"messages": "Use whoami and report my agents and my wallet."})
print(response["messages"][-1].content)

LangGraph

Connect and run the agent loop (no key)

One-call sign-up inside the loop

First call with the key: whoami

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