
Connect 4D to ChatGPT, Claude and Gemini
Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Turn structured data into actionable knowledge.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Your AI does the work. We keep it safe and sound.
No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.
Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

Each Connector runs inside its own sealed environment.
Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.
One switch stops every agent. Instantly.
One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.
Spending limits that pause instead of surprise.
Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.
Three controls, built into the layer your AI connects through.
Curated set · 6 capabilities
We ship only the actions that matter.
01-03
3 capabilities in this set.
Part of 6 available through 4D.
- 01
Create entity
Write a new record into the database. You must provide the data payload as a JSON string.
- 02
Get catalog
Use this capability to retrieve the full definition of your 4D database catalog. It maps out all the available DataClasses (tables) and their specific fields, letting you understand your data structure.
- 03
List entities
Query records from a specific DataClass (table) using ORDA-style parameters. You can filter, order, and expand related entities to perform advanced lookups.
04-06
3 capabilities in this set.
Part of 6 available through 4D.
- 04
Get entity
Fetch a single, specific record by its primary key. This is the fastest way to retrieve a known piece of data from the database.
- 05
Delete entity
Remove a record from the database. Use this capability when you need to permanently delete an existing entry.
- 06
Update entity
Modify an existing record in the database. This requires specifying the record's ID and the new data payload as a JSON string.
Real work
What teams actually run
Generating Quarterly Reports
An analyst asks the agent to pull all invoice records for a specific quarter, getting the exact data needed for a presentation.
Onboarding New Users
A business admin asks the agent to look up a customer's full history, pulling data from multiple related tables in one chat.
System Debugging
A developer uses the agent to check the database version and verify that a specific data class is exposed and working correctly.
Data Cleanup
The agent is instructed to find and delete old, inactive records from a specific table, ensuring data integrity.
Automate a task
Put 4D to work on one thing.
Step-by-step automations your AI runs through this Connector: the workflow, the prompts to start with, and the exact capabilities behind each move.
One connector, every AI
4D works with the most popular AI clients.
These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.
Claude
ChatGPT
Gemini
Perplexity
Grok
Microsoft Copilot
Cursor
VS Code
Windsurf
JetBrains
Cline
LangChain
Vercel AI SDK
Lovable
Z.ai
Raycast
Qwen Code
Kimi Code
Le ChatBuilding your own app? The connector is yours to use.
You don't need a client to put 4D to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.
Observed, not estimated
896ms average. Fast in production.
4D is checked daily against the live service.
- Fastest day
- 747ms
- Slowest day
- 1098ms
- 14-day trend
- Improving-15%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 6 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of 4D, so you can see the experience inside your AI.
It does not authenticate your account with 4D. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
4D Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_D1Grnbj5YYTUrRV7JM7mu8HcpMzBi59V8AcgtrDo/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — 4D capabilities are ready to use.
{
"mcpServers": {
"4d-mcp": {
"url": "https://edge.vinkius.com/vk_preview_D1Grnbj5YYTUrRV7JM7mu8HcpMzBi59V8AcgtrDo/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
Guided setup for Claude? Set up 4D in Claude and other AIs
Who it's for
Built for the work 4D owners hand off.
This MCP is built for technical roles that interact with structured data. Developers can test queries without writing custom code, analysts can pull specific data subsets for reports, and business admins can manage records easily from a single chat interface.
- 01
4D Developers
Quickly audit data and test queries using natural language commands without writing custom code.
- 02
Data Analysts
Retrieve specific data subsets for reporting without writing manual HTTP requests or SQL.
- 03
Business Admins
Manage application records and look up information across tables easily from a single chat interface.
- 04
Systems Integrators
Verify REST API exposure and data availability in real time during development.
FAQ
Questions 4D owners ask.
- 01
Is this just a simple API wrapper?
No. This MCP uses ORDA (Object Relational Data Architecture) to make the database feel like a natural conversation. It translates your plain language requests into structured, secure database operations, which is much more powerful than a simple wrapper.
- 02
What kind of data can I query?
You can query any DataClass (table) exposed in your 4D environment. The agent first lets you check the full catalog, so you know exactly what data is available to look up.
- 03
Does this handle complex filtering?
Yes. You don't need to write complex WHERE clauses. You can ask the agent to find records based on multiple criteria, like 'all invoices over $50 from last month,' and it handles the filtering.
- 04
Can I write new data with this MCP?
Absolutely. The agent supports creating new records, updating existing ones, and deleting records, giving you full control over your data lifecycle.
- 05
How do I find which tables are available?
Use the get_catalog capability. It will return a list of all DataClasses (tables) exposed through the REST API in your 4D Server.
- 06
Can I filter data based on specific conditions?
Yes. Use the list_entities capability and provide an ORDA-style filter string in the $filter parameter (e.g., "status = 'active' AND price > 100").
- 07
Does this support creating new records?
Absolutely. Use the create_entity capability by providing the DataClass name and a JSON string containing the field data for the new record.
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Connect 4D to Claude, Cursor, ChatGPT & more
