Use Native V8 with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Evaluate AI text generation quality. Compute exact mathematical BLEU and ROUGE scores comparing generated text to reference documents.
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.
Complete set · 1 capability
The complete Native V8 capability set.
These are the exact actions your AI can choose when you ask it to work with Native V8.
01
1 capability in this set.
Part of 1 available through Native V8.
- 01
Calculate rouge bleu
Calculates approximate BLEU and ROUGE overlap scores for NLP text evaluation
Observed, not estimated
855ms average. Fast in production.
Native V8 is checked daily against the live service.
- Fastest day
- 663ms
- Slowest day
- 1177ms
- 14-day trend
- Slowing+15%
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 Native V8, so you can see the experience inside your AI.
It does not authenticate your account with Native V8. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Native V8 Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_z0q7gwUAfzM0N3ZK3eZQCz4jX1vB3r37FG9LvR3T/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 — Native V8 capabilities are ready to use.
{
"mcpServers": {
"llm-rouge-bleu-evaluator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_z0q7gwUAfzM0N3ZK3eZQCz4jX1vB3r37FG9LvR3T/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
FAQ
Questions Native V8 owners ask.
- 01
What does BLEU measure?
BLEU (Bilingual Evaluation Understudy) measures precision: how many of the words generated by the AI actually appeared in the human reference text.
- 02
What does ROUGE measure?
ROUGE measures recall: how much of the original human reference text was successfully captured and reproduced by the AI's generated summary.
- 03
Can it evaluate RAG prompts?
Yes! By keeping your expected answer as the reference, you can automatically score how well your RAG pipeline retrieved and generated the facts.
Explore
More in Developer Tools
LLM Context Window Budgeter AI Connector
Monitor and predict LLM context window exhaustion with precision token forecasting.
ViewRMSE & MAE Calculator AI Connector
Compute exact Root Mean Square Error (RMSE) and Mean Absolute Error (MAE) for regression models. Stop hallucin
ViewInference Latency & Token Tradeoff Calculator AI Connector
Model the relationship between inference latency, token count, and system throughput.
ViewBollinger Bands Engine AI Connector
Calculate moving standard deviation and Bollinger Bands for financial time-series deterministically.
View
Suggestions
Accelerator Interview Scoring AI Connector
Analyze interview scoring consistency and identify calibration needs to ensure fair candidate evaluations.
ViewPrefix Cache Savings Calculator AI Connector
Calculate exact token savings from LLM prefix caching.
ViewAlt-Text Accessibility Checker AI Connector
Validate image alt-text against WCAG standards for length, redundancy, and descriptiveness.
ViewBill Due Date Shifter AI Connector
Align bill due dates with your payday to prevent overdrafts.
View
