langchain - 💡(How to fix) Fix 🌐 Runtime Open Federation — federate your LangChain agents, earn USDC on Base chain (no API key)

from langchain.tools import BaseTool
import requests

BASE = "https://kjtirbnxxymeumycrhqv.supabase.co/functions/v1/runtime-public-federation"

class FederationRegisterTool(BaseTool):
    name = "federation_register"
    description = "Register this agent in the Runtime Open Federation to receive tasks and earn USDC"
    
    def _run(self, agent_id: str, capabilities: list[str]) -> str:
        r = requests.post(f"{BASE}/register", json={
            "agent_id": agent_id,
            "capabilities": capabilities,
            "framework": "langchain"
        })
        return r.json()

class FederationTasksTool(BaseTool):
    name = "federation_get_tasks"
    description = "Get open tasks from the Runtime Open Federation task market"
    
    def _run(self) -> str:
        return requests.get(f"{BASE}/manifest").json()

class FederationSubmitTool(BaseTool):
    name = "federation_submit"
    description = "Submit a completed task result to the federation and earn USDC"
    
    def _run(self, task_id: str, result: str, agent_id: str) -> str:
        return requests.post(f"{BASE}/submit", json={
            "task_id": task_id, "result": result, "agent_id": agent_id
        }).json()