
Connect First Principles Prover 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. Stop your agent from parroting industry buzzwords and hollow analogies.
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 · 1 capability
We ship only the actions that matter.
01
1 capability in this set.
Part of 1 available through First Principles Prover.
- 01
Validate first principles
This capability forces your agent to pass a 6-pivot validation process to ensure its reasoning is grounded in axioms rather than analogies. It checks for discarded analogies, isolated truths, deconstructed assumptions, scratch-built solutions, axiomatic proofs, and purged jargon.
Real work
What teams actually run
System Architecture Design
Use it to ensure a database or network architecture is built on throughput and latency requirements rather than 'best practices'.
Problem Solving
Apply it when you need to break a complex problem down into its most basic, unchangeable components.
Strategic Planning
Use it to prevent your agent from suggesting solutions based on what 'other companies are doing'.
Code and Logic Review
Run your agent's reasoning through the validation capability to catch logical gaps in its proposed implementation.
Automate a task
Put First Principles Prover 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
First Principles Prover 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 First Principles Prover 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
900ms average. Fast in production.
First Principles Prover is checked daily against the live service.
- Fastest day
- 756ms
- Slowest day
- 1134ms
- 14-day trend
- Slowing+26%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 1 capability arrives 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 First Principles Prover, so you can see the experience inside your AI.
It does not authenticate your account with First Principles Prover. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
First Principles Prover Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_pp4uUsix9xan1UJeLTzZUUEkcW2z3K8yJ3NYaBFy/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 — First Principles Prover capabilities are ready to use.
{
"mcpServers": {
"first-principles-prover-mcp": {
"url": "https://edge.vinkius.com/vk_preview_pp4uUsix9xan1UJeLTzZUUEkcW2z3K8yJ3NYaBFy/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 First Principles Prover in Claude and other AIs
Who it's for
Built for the work First Principles Prover owners hand off.
This is for technical professionals who need to move past surface-level AI suggestions to find deep, structural solutions.
- 01
Software Architects
They use it to validate system designs against physical and mathematical constraints instead of following trends.
- 02
Systems Engineers
They use it to ensure hardware and software constraints are derived from first principles.
- 03
Strategic Analysts
They use it to strip away corporate jargon and identify the actual drivers of a business problem.
FAQ
Questions First Principles Prover owners ask.
- 01
How does this MCP differ from standard AI reasoning?
Standard AI reasoning relies on pattern matching and analogies. This MCP forces the agent to use a 6-pivot process to derive solutions from fundamental truths and axioms.
- 02
What is a '6-pivot validation'?
It is a structured process including discarding analogies, isolating truths, deconstructing assumptions, building from scratch, proving axiomatically, and purging jargon.
- 03
Which AI clients can use this MCP?
You can use this with any MCP-compatible client, including Claude, Cursor, Windsurf, and VS Code.
- 04
Can this MCP help with technical jargon?
Yes. One of its core functions is to detect and reject jargon like 'leverage' or 'synergy' that carries no specific information content.
- 05
Does this require manual setup?
No. Vinkius hosts and manages the MCP, so you can connect it to your client with one click.
- 06
Why does the logic engine scan for buzzwords?
Because words like 'leverage', 'synergy', or 'best practices' are proof of analogical thinking. The semantic trap prevents the AI from faking deep thought.
- 07
What qualifies as a fundamental truth?
Physics (like the speed of light or CPU thermal limits), mathematical laws (like Big O complexity), or hard engineering constraints (like network bandwidth limits). Opinions and conventions do not count.
- 08
Why must the solution be built from scratch?
To ensure you aren't just importing a library or framework that carries hidden architectural assumptions. Deriving solutions from axioms guarantees a clean, unbloated design optimized for the exact problem.
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Connect First Principles Prover to Claude, Cursor, ChatGPT & more
