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Vinkius

Native V8 Connector for AI agents.

1 live capability

Get mathematically perfect ML metrics and model evaluation results.

Live agent request Native V8 / Connector

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AI Agent

Why people use Native V8

Stop AI Hallucinations in Machine Learning Evaluation with Confusion Matrix Engine

With the Confusion Matrix Engine MCP, you just hand the raw lists to your agent. It offloads the math to a local runtime and gives you the exact numbers in seconds. You skip the manual counting and get straight to the insights.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
  • Visual Studio Code
  • Windsurf

What Vinkius changes

You get 100% accurate metrics instead of AI guesses.

Use it from Claude, ChatGPT, Cursor or another AI client you already have.

One account · 5,900+ Connectors

  1. Real-world use case 01

    Detecting class bias in training sets

    A data scientist has 500 test results and wants to know if the model is biased.

  2. Real-world use case 02

    Debugging a classifier's failures

    An ML engineer is debugging a classifier.

  3. Real-world use case 03

    Generating metrics for a research paper

    A researcher needs to report F1-Scores for a new paper.

Complete set · 1capability

The complete Native V8 capability set.

These are the exact actions your AI can choose when you ask it to work with Native V8.

Capability set01 / 01

01

1 capability in this set.

Part of 1 available through Native V8.

  1. 01 Capability

    Calculate confusion matrix

    Get the exact confusion matrix and accuracy from your actual and predicted label arrays. It handles the heavy lifting of counting matches and misses for you.

Set up in minutes

One URL. Then ask Native V8 to work.

Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Native V8 from the conversation.

Choose your client

Live preview
Advanced clients IDE · CLI

Claude · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP
https://edge.vinkius.com/vk_preview_lcKPfQMdEs9vOL0QvMD7tp5xcmCCFVUKYwiOuwlI/mcp
  1. Step 01

    Open Connectors

    In Claude Web or Claude Desktop, open Settings and choose Connectors.

  2. Step 02

    Add the URL

    Choose Add custom connector, name it Native V8, and paste the URL above.

  3. Step 03

    Turn it on in chat

    Select +, open Connectors, and enable Native V8 for the conversation.

Where the request belongs

Work Native V8 can move forward.

Built around the request

Data scientists and ML engineers who need to validate model performance without manually building scripts or trusting LLM math.

01

ML Engineer

Validates production model performance during a deployment sprint to ensure no regressions.

02

Data Scientist

Quickly checks for class bias in a new training set without writing custom Python code.

03

AI Researcher

Evaluates experimental model outputs against ground truth to get publication-ready metrics.

Bring your own AI

Change the model, client or framework. Keep Native V8 connected.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
  • VS Code
  • Windsurf
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  • Zed
  • Continue
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  • Roo Code
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  • JetBrains
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  • Amazon Q
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  • Cherry Studio
  • LibreChat
  • TypingMind
  • Chorus
  • 5ire
  • n8n
  • LangChain
  • LlamaIndex
  • CrewAI
  • Vercel AI SDK

Before you connect

Questions about Native V8.

The practical details behind the request, access and result.

Can the Confusion Matrix Engine MCP handle multi-class labels?

Yes, it works with any array of labels, whether you're doing binary classification or multiple categories.

Why shouldn't I just let the AI calculate the F1-Score?

LLMs are probabilistic, not deterministic. They often hallucinate decimals on large datasets, while this Connector uses a local runtime for perfect math.

Does the Confusion Matrix Engine MCP work with my local data?

Yes, it processes the arrays you provide to your agent locally, ensuring your data stays private and the math stays exact.

How does the Confusion Matrix Engine MCP help with model bias?

It generates a full breakdown of hits and misses, making it easy to see if the model is favoring one category over another.

What kind of metrics does the Confusion Matrix Engine MCP provide?

It calculates Accuracy, Precision, Recall, F1-Score, and the full confusion matrix breakdown.

Can I use the Confusion Matrix Engine MCP for any type of data?

It's designed for classification tasks where you have a list of actual results and a list of predicted results.

Why not let Claude/GPT calculate the accuracy?

LLMs operate on tokens and probability distributions. If you give them 500 predictions, they might summarize or estimate the F1-score rather than calculating it exactly. This engine ensures 100% mathematical precision.

Does it support multi-class classification?

Yes, the engine automatically detects unique labels from both arrays and constructs an N-by-N confusion matrix, handling both binary and multiclass evaluations flawlessly.

Is there a limit to the array size?

The only limit is the standard Context Window limit for transmitting the JSON arrays. For arrays exceeding 100k items, consider chunking or local CSV aggregators.

One connection away

Give your agent a direct line to Native V8.

Connect Native V8 once. Keep it beside 5,900+ managed Connectors when the next task needs more.

Explore every Connector No credit card required · Free tier available