How to Use the Alegra Alternative MCP in OpenAI Agents SDK

Q: What happens if an invoice fails validation when using Alegra Alternative with OpenAI Agents SDK?

The createinvoice tool returns a direct error message from the validation system. OpenAI Agents SDK captures this failure in its execution trace, allowing your agent to correct the line items and retry. You see the entire failure path on your OpenAI dashboard.

Run compliant Colombian e-invoicing and accounting directly inside your OpenAI Agents SDK production pipelines.

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Connect Alegra Alternative MCP to OpenAI Agents SDK

Create your Vinkius account to connect Alegra Alternative 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 Alegra Alternative with OpenAI Agents SDK

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Validate Colombian DIAN tax compliance automatically

The `create_contact` tool registers clients and suppliers with the exact NIT, CC, or CE identification numbers required by Colombian tax law. Your OpenAI Agents SDK pipeline validates these identities against your database before making the API call. If a tax ID is formatted incorrectly, the agent catches it instantly, stopping bad data before it hits the registry. You can inspect the exact payload sent to the DIAN using the OpenAI dashboard tracing tools. Should the agent make a mistake, the built-in guardrails block the transaction. This keeps your records audit-ready without manual double-checks.

Issue stamped electronic invoices via OpenAI Agents SDK

The `create_invoice` tool generates sales invoices that automatically undergo validation and stamping for DIAN compliance. You pass the client ID and line items directly from your agent's current context. This MCP integration saves you from logging into a separate billing portal. Specialized agents can hand off tasks to each other during this billing process. One agent gathers the product details using `get_item`, while a billing agent handles the final invoice creation. This modular setup prevents single-agent overloads during high-volume sales runs.

Audit accounts and track inventory stocks in real-time

The `list_bank_accounts` tool pulls live balances and account details directly into your agent's execution context. This allows your OpenAI Agents SDK system to cross-reference incoming customer payments with outstanding invoices. You get a clear picture of cash flow without manual export steps. For physical inventory management, the agent calls `list_items` to check stock levels across your operations. If a product runs low, the agent triggers a restock alert or drafts a supplier bill using `list_bills`. Everything runs on a secure, automated loop.

Setup guide

Set up Alegra Alternative 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 Alegra Alternative tools at runtime.
3

Create your Agent

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

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Alegra Alternative 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="Alegra Alternative Agent",
            instructions="You have access to Alegra Alternative 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 Alegra Alternative MCP in OpenAI Agents SDK

The server maps DIAN requirements directly to specific tool parameters. When your agent runs `create_contact` or `create_invoice`, it must supply valid NIT, CC, or CE identifiers. This structure prevents the OpenAI Agents SDK from emitting malformed tax documents.

Yes, you control tool exposure at the SDK level during initialization. If you only want your agent to read data, expose `list_invoices` and `get_contact` while omitting write tools. This restricts the agent's capabilities to read-only operations.

The `create_invoice` tool returns a direct error message from the validation system. OpenAI Agents SDK captures this failure in its execution trace, allowing your agent to correct the line items and retry. You see the entire failure path on your OpenAI dashboard.

Install the package and configure the streamable HTTP parameters pointing to the Vinkius endpoint. Pass this MCP server instance into your agent's server list. The agent automatically discovers all 14 tools upon startup.

Vinkius runs the MCP server in an isolated V8 sandbox, meaning your bank accounts, client NITs, and invoice totals are never cached or stored. Authorization uses a single, ephemeral token to communicate directly with the accounting API. Your raw financial data remains strictly between your agent and the endpoint.

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