
Connect Protecting Group Selector to ChatGPT and Claude
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. Plan precise organic transformations with chemical compatibility data.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
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 Protecting Group Selector.
- 01
Check orthogonality
This capability evaluates if a selected protecting group stays intact while you manipulate other specific groups in your molecule.
- 02
Find compatible group
Use this to identify which protecting groups work for a specific target functional group within your intended reaction environment.
- 03
Get deprotection protocol
This capability provides the specific chemical instructions required to remove a chosen protecting group.
- 04
Get protection protocol
This capability delivers the exact chemical instructions needed to install a selected protecting group.
Real work
What teams actually run
Multi-step Synthesis Planning
Verify that a protecting group won't be accidentally removed during an intermediate step.
Reagent Selection
Find the right reagents for deprotecting a specific group like Boc.
Functional Group Protection
Identify a silyl ether that remains stable under acidic conditions.
Reaction Condition Validation
Check if a chosen protecting group is compatible with a specific pH or temperature range.
One connector, every AI
Protecting Group Selector 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 Protecting Group Selector 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
894ms average. Fast in production.
Protecting Group Selector is checked daily against the live service.
- Fastest day
- 823ms
- Slowest day
- 1384ms
- 14-day trend
- Slowing+40%
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 Protecting Group Selector, so you can see the experience inside your AI.
It does not authenticate your account with Protecting Group Selector. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Protecting Group Selector Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_JxBnC4OgmwUJENEn4hHAAQijoivTh9j0j6wjoNak/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 — Protecting Group Selector capabilities are ready to use.
{
"mcpServers": {
"protecting-group-selector-mcp": {
"url": "https://edge.vinkius.com/vk_preview_JxBnC4OgmwUJENEn4hHAAQijoivTh9j0j6wjoNak/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 Protecting Group Selector in Claude and other AIs
Who it's for
Built for the work Protecting Group Selector owners hand off.
This MCP is built for professionals working in synthetic organic chemistry and drug discovery.
- 01
Synthetic Chemists
Use the MCP to validate synthetic routes and select protecting group strategies.
- 02
Medicinal Chemists
Hand off the task of checking functional group compatibility to the AI agent during lead optimization.
- 03
Research Scientists
Use the capability to quickly retrieve specific installation and removal protocols for lab work.
FAQ
Questions Protecting Group Selector owners ask.
- 01
What AI clients can I use with this MCP?
You can use any MCP-compatible client, including Claude, Cursor, Windsurf, and VS Code.
- 02
How does the MCP handle reagent compatibility?
The MCP provides decision support regarding pH, temperature, and reagent compatibility to ensure transformations are planned with precision.
- 03
Can I get specific instructions for removing a group?
Yes, you can use the get_deprotection_protocol capability to get specific chemical instructions for removing a protecting group.
- 04
Does this capability help with orthogonality?
Yes, the check_orthogonality capability evaluates if a selected protecting group will remain intact when other specified groups are being manipulated.
- 05
Do I need to host the MCP myself?
No, Vinkius hosts and manages the MCP for you. You just connect your client and start working.
- 06
How do I find a group that won't react in basic conditions?
You can use the find_compatible_group capability by specifying the target functional group and setting the reaction environment to basic conditions.
- 07
Can I check if two protecting groups are orthogonal?
Yes, use the check_orthogonality capability to evaluate if a primary group can be removed without affecting other groups present.
- 08
Does this provide specific reagents for deprotection?
Yes, the get_deprotection_protocol capability provides the specific reagents and conditions required to remove a protecting group.
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Connect Protecting Group Selector to Claude, Cursor, ChatGPT & more
