
Connect Crystal Field Theory Calculator to your AI
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. Model the electronic and optical properties of coordination complexes.
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 · 4 capabilities
We ship only the actions that matter.
01-04
4 capabilities in this set.
Part of 4 available through Crystal Field Theory Calculator.
- 01
Calculate electronic structure
This capability determines the orbital splitting pattern and the resulting electronic configuration. It identifies the specific spin state and orbital occupancy for a given complex.
- 02
Calculate magnetic properties
This capability calculates the magnetic behavior and magnitude of the complex. It helps you understand if a compound is paramagnetic or diamagnetic.
- 03
Calculate stabilization energy
This capability computes the net stability gain provided by a specific electron arrangement. It quantifies the Crystal Field Stabilization Energy (CFSE).
- 04
Predict optical properties
This capability predicts the observed color of a complex. It bases these predictions on light absorption during electronic transitions.
Real work
What teams actually run
Spin State Verification
Check if a specific metal ion in an octahedral or tetrahedral field will be high-spin or low-spin.
Stability Modeling
Calculate the CFSE to understand the thermodynamic stability of a coordination complex.
Spectroscopic Prediction
Predict the color of a solution based on the wavelength of light it absorbs.
Magnetic Characterization
Determine if a complex will be paramagnetic or diamagnetic based on its unpaired electrons.
One connector, every AI
Crystal Field Theory Calculator 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 Crystal Field Theory Calculator 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
924ms average. Fast in production.
Crystal Field Theory Calculator is checked daily against the live service.
- Fastest day
- 693ms
- Slowest day
- 1183ms
- 14-day trend
- Slowing+18%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 4 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 Crystal Field Theory Calculator, so you can see the experience inside your AI.
It does not authenticate your account with Crystal Field Theory Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Crystal Field Theory Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_jlFJlFfMwqyj6JzEj7Gzs8btX7pyDGRx6VTXrC1r/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 — Crystal Field Theory Calculator capabilities are ready to use.
{
"mcpServers": {
"crystal-field-theory-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_jlFJlFfMwqyj6JzEj7Gzs8btX7pyDGRx6VTXrC1r/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 Crystal Field Theory Calculator in Claude and other AIs
Who it's for
Built for the work Crystal Field Theory Calculator owners hand off.
This MCP is built for researchers and students working in inorganic chemistry and molecular modeling.
- 01
Inorganic Chemists
Hand off complex coordination geometry calculations to the AI to quickly verify spin states.
- 02
Chemistry Students
Use the capability to check homework solutions for CFSE and magnetic properties.
- 03
Computational Researchers
Integrate CFT calculations into larger modeling workflows via an AI agent.
FAQ
Questions Crystal Field Theory Calculator owners ask.
- 01
What kind of chemistry does this MCP cover?
This MCP focuses on Crystal Field Theory (CFT) and the analysis of transition metal complexes.
- 02
Can I use this with Claude or Cursor?
Yes, you can use this with any MCP-compatible client, including Claude, Cursor, and Windsurf.
- 03
How does it predict color?
The capability predicts color by calculating the light absorption resulting from d-to-d electronic transitions.
- 04
Do I need to host the MCP myself?
No, Vinkius hosts and manages the MCP for you. You just connect and use it.
- 05
What can it tell me about magnetism?
It can determine the magnetic behavior and the magnitude of the complex based on its electronic structure.
- 06
What can I calculate with this server?
You can determine the electronic configuration, spin state, Crystal Field Stabilization Energy (CFSE), magnetic moment, and predicted color of transition metal complexes using calculate_electronic_structure and its companion capabilities.
- 07
Does it support different geometries?
Yes, the server supports octahedral, tetrahedral, and square planar geometries via the calculate_electronic_structure capability.
- 08
How do I determine if a complex is paramagnetic?
Use the calculate_magnetic_properties capability after obtaining the electronic structure; it will return whether the complex is paramagnetic or diamagnetic.
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Connect Crystal Field Theory Calculator to Claude, Cursor, ChatGPT & more
