How to Use the InvoiceXpress (Online Invoicing) MCP in AutoGen

Q: How do AutoGen agents negotiate tax rates before executing InvoiceXpress (Online Invoicing) tools?

One agent calls listtaxes to fetch current Portuguese VAT rates. Another agent cross-references this with the client profile from getclient to debate and select the correct tax code.

Q: How do I configure this server in my Python script?

Install the package with pip install -U "autogen-extmcp". Use StreamableHttpServerParams to point to your endpoint, and feed the generated tools list into your AssistantAgent.

Let AutoGen agents debate Portuguese tax rules and verify InvoiceXpress records before committing them.

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Connect InvoiceXpress (Online Invoicing) MCP to AutoGen

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Setup InvoiceXpress (Online Invoicing) with AutoGen

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Perplexity

Consensus-driven billing approvals

The `get_invoice` tool retrieves complete billing details, which a dedicated auditor agent analyzes for compliance using this MCP Server. In your AutoGen group chat, a billing agent proposes an invoice while a compliance agent checks it against active Portuguese tax standards. This multi-agent debate ensures that no document is finalized with incorrect VAT details. The agents must reach consensus before executing any write operations, eliminating costly accounting mistakes.

Automated reconciliation debates

The `list_receipts` tool fetches payment logs, while `list_invoices` retrieves outstanding balances via this MCP tool. Your AutoGen reconciliation agent matches these datasets, flagging discrepancies for a supervisor agent to review. If a partial payment is found, the agents debate whether to issue a credit note using `list_credit_notes`. This collaborative workflow handles complex Portuguese accounting situations without human intervention.

Multi-agent client verification on this MCP Server

The `find_client` tool searches your active customer database to prevent duplicate profiles during onboarding. An onboarding agent queries the name, while a validation agent reviews the NIF format before initiating `create_client`. If the client already exists, the agents coordinate to run `update_client` with only the modified parameters. This keeps your Portuguese tax registry clean and prevents redundant entries.

Setup guide

Set up InvoiceXpress (Online Invoicing) MCP in AutoGen

Prerequisites

Python 3.10+ installed
autogen-ext[mcp] package
Active Vinkius subscription with a valid endpoint token

1

Install AutoGen with MCP
Run pip install "autogen-ext[mcp]" autogen-agentchat. The MCP extension includes mcp_server_tools for stateless tool access.
2

Fetch tools from the MCP
Call mcp_server_tools(SseServerParams(url=...)) with your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Run your agent
Pass the tools to AssistantAgent and call agent.run(). The agent invokes InvoiceXpress (Online Invoicing) tools and returns structured results.

agent.py

from autogen_ext.tools.mcp import SseServerParams, mcp_server_tools
from autogen_agentchat.agents import AssistantAgent
from autogen_ext.models.openai import OpenAIChatCompletionClient

server_params = SseServerParams(
    url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
)

tools = await mcp_server_tools(server_params)

agent = AssistantAgent(
    name="InvoiceXpress (Online Invoicing)_assistant",
    model_client=OpenAIChatCompletionClient(model="gpt-4o"),
    tools=tools,
)

result = await agent.run("List recent InvoiceXpress (Online Invoicing) data")
print(result.messages[-1].content)

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Prerequisites

Python 3.10+ installed
autogen-ext[mcp] + autogen-agentchat
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Same packages as above. McpWorkbench is ideal when your agent needs stateful sessions across multiple tool calls.
2

Use McpWorkbench as context manager
Wrap your agent in async with McpWorkbench(...) to maintain shared state and resources. The workbench manages the full MCP session lifecycle.
3

Run with workbench
Pass workbench=workbench to your agent. State is preserved across multiple tool calls within the same session.

agent.py

from autogen_ext.tools.mcp import McpWorkbench, SseServerParams
from autogen_agentchat.agents import AssistantAgent
from autogen_ext.models.openai import OpenAIChatCompletionClient

server_params = SseServerParams(
    url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
)

async with McpWorkbench(server_params) as workbench:
    agent = AssistantAgent(
        name="InvoiceXpress (Online Invoicing)_assistant",
        model_client=OpenAIChatCompletionClient(model="gpt-4o"),
        workbench=workbench,
    )

    result = await agent.run("List recent InvoiceXpress (Online Invoicing) data")
    print(result.messages[-1].content)

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by InvoiceXpress. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about InvoiceXpress (Online Invoicing) MCP in AutoGen

One agent calls `list_taxes` to fetch current Portuguese VAT rates. Another agent cross-references this with the client profile from `get_client` to debate and select the correct tax code.

Yes, you can configure an auditor agent that inspects output from `list_invoices` and `list_guides`. This agent flags discrepancies in transport guides or billing series before finalizing documents.

Your agents communicate to match original bills with payment receipts using `list_credit_notes`. Once they agree on the outstanding balance, they prepare the correct adjustment document.

Install the package with `pip install -U "autogen-ext[mcp]"`. Use `StreamableHttpServerParams` to point to your endpoint, and feed the generated tools list into your `AssistantAgent`.

All NIFs and client contact details are processed in an ephemeral, zero-trust V8 sandbox. Vinkius never stores your financial payloads, keeping your sensitive corporate tax data completely private.

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