Can I check the MRR and ARR metrics for a specific customer contract?

Yes. The `get_contract_metrics` tool allows your AI agent to retrieve real-time Monthly Recurring Revenue (MRR), Annual Recurring Revenue (ARR), and Total Contract Value (TCV) for any specific subscription ID.

How do I see if a customer's latest invoice has been paid?

You can use the `list_invoices` tool. Your AI agent will return a list of recent invoices along with their current status, such as 'DRAFT', 'POSTED', or 'PAID', helping you audit financial activity through chat.

Is it possible to terminate a subscription via conversation?

Absolutely. Using the `cancel_subscription_version` tool, you can instruct your agent to terminate a specific subscription. You'll need to provide the subscription and version IDs plus the effective cancellation date.

Younium MCP Server for Pydantic AI 10 tools — connect in under 2 minutes

Name: Younium
Availability: InStock
Author: Vinkius

ai.pydantic.dev/mcp

Built by Vinkius GDPR 10 Tools SDK

Pydantic AI brings type-safe agent development to Python with first-class MCP support. Connect Younium through the Vinkius and every tool is automatically validated against Pydantic schemas — catch errors at build time, not in production.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

import asyncio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerHTTP

async def main():
    # Your Vinkius token — get it at cloud.vinkius.com
    server = MCPServerHTTP(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")

    agent = Agent(
        model="openai:gpt-4o",
        mcp_servers=[server],
        system_prompt=(
            "You are an assistant with access to Younium "
            "(10 tools)."
        ),
    )

    result = await agent.run(
        "What tools are available in Younium?"
    )
    print(result.data)

asyncio.run(main())

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 Younium MCP Server

Connect your Younium account to any AI agent and manage your B2B subscription infrastructure through natural conversation.

Pydantic AI validates every Younium tool response against typed schemas, catching data inconsistencies at build time. Connect 10 tools through the Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code — full type safety, structured output guarantees, and dependency injection for testable agents.

What you can do

Subscription Lifecycle — List all recurring billing subscriptions, retrieve historical versions, and create new subscription records directly from your agent
Account Management — Browse your enterprise SaaS customer base, retrieve deep details including tax IDs, and provision new billing accounts
Financial Metrics — Retrieve real-time MRR (Monthly Recurring Revenue), ARR, and TCV metrics for specific customer contracts
Invoice Auditing — List and monitor all generated invoices and track their payment statuses (DRAFT, POSTED, PAID) across your account
Product Discovery — Browse your billable product catalog and associated charge plans to understand your pricing inventory
Churn Control — Immediately terminate specific subscription versions and manage contract effective dates through simple chat commands
Deep Discovery — Quickly find unique account, subscription, and version IDs required for automated billing workflows

The Younium MCP Server exposes 10 tools through the Vinkius. Connect it to Pydantic AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Younium to Pydantic AI via MCP

Follow these steps to integrate the Younium MCP Server with Pydantic AI.

Install Pydantic AI

Run pip install pydantic-ai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save to agent.py and run: python agent.py

Explore tools

The agent discovers 10 tools from Younium with type-safe schemas

Why Use Pydantic AI with the Younium MCP Server

Pydantic AI provides unique advantages when paired with Younium through the Model Context Protocol.

Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application

Model-agnostic architecture — switch between OpenAI, Anthropic, or Gemini without changing your Younium integration code

Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors

Dependency injection system cleanly separates your Younium connection logic from agent behavior for testable, maintainable code

Younium + Pydantic AI Use Cases

Practical scenarios where Pydantic AI combined with the Younium MCP Server delivers measurable value.

Type-safe data pipelines: query Younium with guaranteed response schemas, feeding validated data into downstream processing

API orchestration: chain multiple Younium tool calls with Pydantic validation at each step to ensure data integrity end-to-end

Production monitoring: build validated alert agents that query Younium and output structured, schema-compliant notifications

Testing and QA: use Pydantic AI's dependency injection to mock Younium responses and write comprehensive agent tests

Younium MCP Tools for Pydantic AI (10)

These 10 tools become available when you connect Younium to Pydantic AI via MCP:

cancel_subscription

Provide the subscription and version IDs plus the effective date. Immediately terminates a specific subscription version

create_account

Provide the account configuration as a JSON object. Creates a new customer billing account record

create_subscription

Provide subscription details as a JSON object. Creates a new subscription for an existing account

get_account

Retrieves comprehensive details for a specific Younium account

get_metrics

Retrieves MRR, ARR, and TCV metrics for a specific subscription

get_subscription

Retrieves details for a specific subscription, including historical versions

list_accounts

Lists all customer accounts registered in the Younium ERP

list_invoices

Lists all invoices generated by Younium

list_products

Lists all products available in the Younium product catalog

list_subscriptions

Lists all recurring billing subscriptions in the account

Example Prompts for Younium in Pydantic AI

Ready-to-use prompts you can give your Pydantic AI agent to start working with Younium immediately.

"List the last 5 subscriptions in my Younium account."

"What is the MRR and ARR for the subscription with ID 'sub-101'?"

"List the last 3 invoices for Acme Corp (Account: acc-123)."

Troubleshooting Younium MCP Server with Pydantic AI

Common issues when connecting Younium to Pydantic AI through the Vinkius, and how to resolve them.

MCPServerHTTP not found

Update: pip install --upgrade pydantic-ai

Younium + Pydantic AI FAQ

Common questions about integrating Younium MCP Server with Pydantic AI.

How does Pydantic AI discover MCP tools?

Create an MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.

Does Pydantic AI validate MCP tool responses?

Yes. When you define result types as Pydantic models, every tool response is validated against the schema. Invalid data raises a clear error instead of silently corrupting your pipeline.

Can I switch LLM providers without changing MCP code?

Absolutely. Pydantic AI abstracts the model layer — your Younium MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.