Mahendra Kumar
Vibe with Data and AI
Mahendra Kumar

Exploring the frontiers of Data Engineering, Analytics, and Agentic AI systems.

The future of analytics belongs to distributed, agentic systems that orchestrate data deterministically at scale. Achieving this vision requires moving past raw schema exposure and establishing robust semantic layers to serve as the ultimate truth for autonomous agents. Translating complex, shifting database structures into stable business metrics eliminates the guesswork that triggers model drift, effectively neutralizing hallucination at the architectural level.

Quick Takeaways & Notes

Short, highly-technical posts
June 18, 2026
LLMs

Semantic layers and preventing hallucination

Passing raw database schemas directly to Text to SQL agents causes severe reasoning drift. Implementing a semantic layer to predefine business logic and metrics before the LLM generates code reduces hallucination rates by providing strict contextual boundaries.

Jan 05, 2026
Machine Learning

Feature stores as the production data backbone

Relying on ad hoc data pipelines introduces training serving skew. Centralizing embeddings and metadata inside a dedicated feature store ensures real time agents and offline training loops ingest identical timestamped data points deterministically.

Sept 08, 2025
Data Engineering

Data quality is the foundation for AI

An agentic loop is only as reliable as its source context. Garbage in equals garbage out amplified at scale. Implementing rigorous upstream data contracts and automated validation pipelines prevents corrupted metadata from breaking your autonomous system.