How to Use the Green Web Check MCP in OpenAI Agents SDK

Q: Does the Green Web Check tool support caching in the OpenAI Agents SDK?

Yes, you can set cacheToolsList=True during initialization. This reduces startup latency by caching the tool definitions. Actual domain queries still hit the live endpoint to ensure you get fresh data.

Q: Can I use Green Web Check with multi-agent handoffs in OpenAI Agents SDK?

Yes, you can. You run the checkgreenhosting tool in a specialized triage agent, then hand off the verified green status to a reporting agent. This keeps your agent architectures clean and modular.

Verify website sustainability in production pipelines using the Green Web Check MCP Server and the OpenAI Agents SDK.

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Connect Green Web Check MCP to OpenAI Agents SDK

Create your Vinkius account to connect Green Web Check to OpenAI Agents SDK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Green Web Check with OpenAI Agents SDK

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Audit domain emissions with OpenAI Agents SDK

The `check_green_hosting` tool lets your agent query the Green Web Foundation database to verify if a site runs on green energy. This tool returns structured environmental data directly to your agent. You configure it using `MCPServerStreamableHttp` in your Python code. The agent auto-discovers the tool and applies built-in guardrails before running the check, keeping your production workflows safe.

Run automated green audits in your pipelines

The `check_green_hosting` tool evaluates target domains during automated vendor screening. Your agent runs the check as part of a multi-agent handoff, passing the energy data to a reporting agent. This setup prevents silent failures. The OpenAI dashboard tracks every call to the MCP Server, giving you full visibility into which domains your agent checked and which ones failed the sustainability test.

Prevent greenwashing with strict runtime checks

The `check_green_hosting` tool acts as a factual guardrail against unsubstantiated sustainability claims. Your agent uses this tool to check the actual hosting infrastructure instead of relying on marketing copy. Because the OpenAI Agents SDK handles tool discovery out of the box, you only need to register the MCP server. Set `cacheToolsList=True` to keep execution fast and avoid latency spikes during bulk domain checks.

Setup guide

Set up Green Web Check MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all Green Web Check tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives Green Web Check tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Green Web Check tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="Green Web Check Agent",
            instructions="You have access to Green Web Check tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

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Common questions about Green Web Check MCP in OpenAI Agents SDK

You install the SDK via pip and initialize the server using the `MCPServerStreamableHttp` class. Pass the server instance directly to your agent constructor in the `mcp_servers` list. The agent automatically registers the tools.

Yes, you can set `cacheToolsList=True` during initialization. This reduces startup latency by caching the tool definitions. Actual domain queries still hit the live endpoint to ensure you get fresh data.

Yes, you can. You run the `check_green_hosting` tool in a specialized triage agent, then hand off the verified green status to a reporting agent. This keeps your agent architectures clean and modular.

The tool returns a clear error response instead of hanging. Your OpenAI agent catches this failure, allowing you to define fallback behavior or retry the query later without crashing the entire pipeline.

Vinkius runs the server in an ephemeral, zero-trust sandbox. The domain names you check are passed straight to the lookup API and never stored on disk. Your proprietary target lists remain completely confidential.

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