How do I find my everbill API Key?

In your everbill account, go to **Settings (Einstellungen)** > **API / Interface (Schnittstelle)** and generate your unique key.

Can I check specific product stock levels?

Yes! The `list_products` tool retrieves your complete inventory directory, including current stock counts and technical metadata.

How do I create a new invoice via AI?

Use the `create_invoice` tool by providing the `customer_id` and a JSON array of items (product IDs and quantities).

INSTANT PLUG AND PLAY

everbill MCP Server for OpenAI Agents SDKGive OpenAI Agents SDK instant access to 7 tools to Create Customer, Create Invoice, Get Customer, and more

Name: everbill
Availability: InStock
Author: Vinkius

Built by Vinkius GDPR 7 Tools SDK

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect everbill through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.

Use with Your AI Agent

Ask AI about this App Connector for OpenAI Agents SDK

Open in ChatGPT Open in Claude Open in Perplexity

The everbill app connector for OpenAI Agents SDK is a standout in the Productivity category — giving your AI agent 7 tools to work with, ready to go from day one.

Vinkius delivers Streamable HTTP and SSE to any MCP client

python

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

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MCPServerStreamableHttp(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as mcp_server:

        agent = Agent(
            name="everbill Assistant",
            instructions=(
                "You help users interact with everbill. "
                "You have access to 7 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from everbill"
        )
        print(result.final_output)

asyncio.run(main())

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* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About everbill MCP Server

Connect your everbill account to any AI agent and take full control of your business administration and invoicing workflows through natural conversation.

The OpenAI Agents SDK auto-discovers all 7 tools from everbill through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries everbill, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

What you can do

Invoicing Orchestration — Create and manage professional invoices programmatically, including detailed line items and customer association
Customer CRM — Manage your complete directory of clients and retrieve detailed profiles and history directly through your agent
Inventory Intelligence — Monitor real-time stock levels and retrieve granular product metadata to maintain high-fidelity oversight of your assets
Document Navigation — Access the complete history of your business documents and retrieve detailed invoice information for audit or support
Administrative Visibility — Monitor your business health by listing customers and products programmatically using natural language commands

The everbill MCP Server exposes 7 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 7 everbill tools available for OpenAI Agents SDK

When OpenAI Agents SDK connects to everbill through Vinkius, your AI agent gets direct access to every tool listed below — spanning everbill, invoicing-api, inventory-tracking, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.

create_customer

Create a new customer

create_invoice

Create a new invoice

get_customer

Get customer details

get_invoice

Get invoice details

list_customers

List all customers in everbill

list_invoices

List all invoices

list_products

List products

Connect everbill to OpenAI Agents SDK via MCP

Follow these steps to wire everbill into OpenAI Agents SDK. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.

Install the SDK

Run pip install openai-agents in your Python environment

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Run the script

Save the code above and run it: python agent.py

Explore tools

The agent will automatically discover 7 tools from everbill

Why Use OpenAI Agents SDK with the everbill MCP Server

OpenAI Agents SDK provides unique advantages when paired with everbill through the Model Context Protocol.

Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety

Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure

Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate

First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

everbill + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the everbill MCP Server delivers measurable value.

Automated workflows: build agents that query everbill, process the data, and trigger follow-up actions autonomously

Multi-agent orchestration: create specialist agents. one queries everbill, another analyzes results, a third generates reports

Data enrichment pipelines: stream data through everbill tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query everbill to resolve tickets, look up records, and update statuses without human intervention

Example Prompts for everbill in OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with everbill immediately.

"List all my customers in everbill."

"Check the stock levels for all products."

"Get details for invoice ID '12345'."

Troubleshooting everbill MCP Server with OpenAI Agents SDK

Common issues when connecting everbill to OpenAI Agents SDK through the Vinkius, and how to resolve them.

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

everbill + OpenAI Agents SDK FAQ

Common questions about integrating everbill MCP Server with OpenAI Agents SDK.

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.

Can I use multiple MCP servers in one agent?

Yes. Pass a list of MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.

Does the SDK support streaming responses?

Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.