Developer Tools on Uday K

GitHub Copilot + LSP: Smarter Code Context and Better Token Efficiency

Sun, 09 Aug 2026 11:15:02 -0400

This guide walks through configuring Language Server Protocol (LSP) support for Go, Python, Ruby, TypeScript, and JavaScript in GitHub Copilot CLI. It also includes practices for keeping AI coding sessions efficient and token-conscious.

Part of a Series

This post is part of a broader series exploring how modern AI coding assistants understand and work with code.

The series starts with the foundations of how source code moves through the development toolchain—from ASTs and parsing to compilers and language servers (LSP)—and then builds on those concepts to explain how AI coding tools can use this information to navigate and reason about a codebase.

fast-deepseek: Building a Lightweight DeepSeek Client for Ruby

Wed, 26 Mar 2025 18:12:39 -0400

AI APIs have become remarkably easy to call.

The hard part isn’t sending an HTTP request. It’s deciding how much abstraction you actually need.

When I started experimenting with DeepSeek from Ruby, I didn’t want an AI framework, an agent abstraction, or a large dependency tree. I wanted this:

client = FastDeepseek::Client.new(
 api_key: ENV.fetch("DEEPSEEK_API_KEY")
)

response = client.chat(
 "Explain Ruby blocks in simple terms",
 model: "deepseek-chat"
)

That idea became fast-deepseek on RubyGems and fast-deepseek on GitHub — a lightweight Ruby client for the DeepSeek API.

Effortlessly Manage Multiple Git Accounts

Wed, 13 May 2020 16:14:59 -0400

Introduction

Managing multiple git accounts becomes essential when you have multiple accounts that you want to contribute to. This tutorial will guide you through the process of seamlessly switching between two git accounts without any hassle.

Steps

Follow these steps to effectively manage multiple git accounts:

1. Create Git Accounts

Start by creating two git accounts, either on platforms like GitHub or GitLab, or using existing accounts from your workplace. For this tutorial, we will use two accounts created on GitHub.com.