How do I get a Diese API Key?

Log in to your Diese account, navigate to **Settings > API**, and you will find your API Key there. You will also need your account subdomain.

Can the agent update task statuses?

This integration currently focuses on listing and retrieving ERP data for analysis. Modifying task statuses or project details should be managed via the Diese dashboard.

Is resource planning data included?

Yes, you can use the list_resource_planning tool to retrieve scheduled planning entries and resource allocations across your projects.

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

Name: Diese
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 Diese through 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 Diese "
            "(10 tools)."
        ),
    )

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

asyncio.run(main())

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

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 Diese MCP Server

Integrate Diese, the comprehensive cloud-based ERP software, directly into your AI workflow. Manage your business projects, monitor sales invoices and expenses, track resource planning and tasks, and research business partners using natural language.

Pydantic AI validates every Diese tool response against typed schemas, catching data inconsistencies at build time. Connect 10 tools through 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

Project Oversight — List and retrieve detailed configuration for all active and archived projects in your ERP.
Billing & Expense Tracking — Monitor sales invoices and business expenses, tracking their status and organizational approval.
Resource Intelligence — Access scheduled planning entries and resource allocations to ensure project efficiency.
Task Management — List pending project tasks and identify items that have passed their deadline.

The Diese 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 Diese to Pydantic AI via MCP

Follow these steps to integrate the Diese 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 Diese with type-safe schemas

Why Use Pydantic AI with the Diese MCP Server

Pydantic AI provides unique advantages when paired with Diese 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 Diese integration code

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

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

Diese + Pydantic AI Use Cases

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

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

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

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

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

Diese MCP Tools for Pydantic AI (10)

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

get_account_metadata

Retrieve metadata and usage limits for your Diese account

get_project_details

Get detailed information for a specific ERP project

list_business_expenses

List all recorded business expenses and their approval status

list_erp_contacts

List all business contacts and partners in the system

list_erp_projects

List all active and archived projects in your Diese account

list_overdue_erp_tasks

Identify project tasks that have passed their deadline (mock logic)

list_project_tasks

List pending and completed tasks across all projects

list_resource_planning

List scheduled planning entries and resource allocations

list_sales_invoices

List all generated sales invoices and their payment status

search_projects_by_name

Search for a project using a name keyword

Example Prompts for Diese in Pydantic AI

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

"List all active ERP projects."

"Show me the unpaid invoices from last month."

"Are there any project tasks overdue?"

Troubleshooting Diese MCP Server with Pydantic AI

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

MCPServerHTTP not found

Update: pip install --upgrade pydantic-ai

Diese + Pydantic AI FAQ

Common questions about integrating Diese 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 Diese MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.