Harish Kumar

Favorite Tools in 2025

Just a list of my most used and favorite tools for the year 2025

Installing Ubuntu environment on Mac using Multipass

Use Multipass to launch an Ubuntu VM on your Mac with `multipass launch` and connect to it with VS Code using the Remote SSH

Langchain Prompt Messages and Prompt Templates

The post briefly highlights the different prompt messages and prompt templates in Langchain with examples.

Leveraging OpenAPI Specifications for Function Calling with LLMs

In this post, I'm going to explain how to use OpenAPI specifications from a API endpoint and use its API's as functions with LLMs.

Build a RAG System locally with Ollama

The blog demonstrates on how to build a powerful RAG System and run it locally with Ollama, langchain, chromadb as vector store and huggingface models for embeddings with a simple example.