AgentCore Gateway 経由の Coinbase バザール

agentcore add gateway-target \
  --name CoinbaseTarget \
  --type mcp-server \
  --endpoint https://api.cdp.coinbase.com/platform/v2/x402/discovery/mcp \
  --gateway MyGateway

agentcore deploy

import boto3

agentcore_client = boto3.client('bedrock-agentcore-control')

target = agentcore_client.create_gateway_target(
    gatewayIdentifier="your-gateway-id",
    name="Coinbasex402BazaarTarget",
    description="Coinbase x402 Bazaar MCP server for paid API discovery",
    targetConfiguration={
        "mcp": {
            "mcpServer": {
                "endpoint": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/mcp"
            }
        }
    }
)

エージェントで Coinbase x402 バザールゲートウェイターゲットを使用します。

from strands import Agent
from strands.models import BedrockModel
from strands.tools.mcp.mcp_client import MCPClient
from mcp.client.streamable_http import streamablehttp_client
from bedrock_agentcore.payments.integrations.config import AgentCorePaymentsPluginConfig
from bedrock_agentcore.payments.integrations.strands.plugin import AgentCorePaymentsPlugin

GATEWAY_URL = "https://<your-gateway-id>.gateway.bedrock-agentcore.<region>.amazonaws.com/mcp"
ACCESS_TOKEN = "<your-inbound-auth-token>"

mcp_client = MCPClient(
    lambda: streamablehttp_client(GATEWAY_URL, headers={"Authorization": f"Bearer {ACCESS_TOKEN}"})
)

# Configure the Payment plugin
config = AgentCorePaymentsPluginConfig(
    payment_manager_arn="arn:aws:bedrock-agentcore:us-west-2:123456789012:payment-manager/pm-abc123",
    user_id="test-user-123",
    payment_instrument_id="payment-instrument-XJU4RSQP9VO0ler",
    payment_session_id="payment-session-xuzrnUCd7RT725G",
    region="us-west-2",
)

# Create the plugin
plugin = AgentCorePaymentsPlugin(config=config)

with mcp_client:
    tools = mcp_client.list_tools_sync()
    agent = Agent(
        model=BedrockModel(inference_profile_id="us.anthropic.claude-sonnet-4-20250514-v1:0", streaming=True),
        tools=tools,
        plugins=[plugin],  # enables automatic payments
    )
    response = agent("Search for available x402 paid APIs related to weather data")
    print(response)

LangGraph エージェントで Coinbase x402 バザールゲートウェイターゲットを使用します。

import asyncio
from langchain.agents import create_agent
from langchain_openai import ChatOpenAI
from langchain_mcp_adapters.client import MultiServerMCPClient
from bedrock_agentcore.payments.integrations.langgraph import (
    AgentCorePaymentsConfig,
    AgentCorePaymentsMiddleware,
)

GATEWAY_URL = "https://<your-gateway-id>.gateway.bedrock-agentcore.<region>.amazonaws.com/mcp"
ACCESS_TOKEN = "<your-inbound-auth-token>"

async def main():
    client = MultiServerMCPClient({
        "bazaar": {
            "transport": "streamable_http",
            "url": GATEWAY_URL,
            "headers": {"Authorization": f"Bearer {ACCESS_TOKEN}"},
        }
    })
    mcp_tools = await client.get_tools()

    config = AgentCorePaymentsConfig(
        payment_manager_arn="arn:aws:bedrock-agentcore:us-west-2:123456789012:payment-manager/pm-abc123",
        user_id="test-user-123",
        payment_instrument_id="payment-instrument-XJU4RSQP9VO0ler",
        region="us-west-2",
        auto_session=True,
    )

    payments = AgentCorePaymentsMiddleware(config)

    agent = create_agent(
        model=ChatOpenAI(model="gpt-4o-mini"),
        tools=mcp_tools,
        middleware=[payments],
    )

    result = await agent.ainvoke(
        {"messages": [{"role": "user", "content": "Search for available x402 paid APIs related to weather data"}]}
    )
    print(result["messages"][-1].content)

asyncio.run(main())