Ivan Kalinichenko

Senior Frontend Engineer with 10+ years across React, TypeScript, and Node.js.

I build the frontend for a large self-hosted product, and spend the rest of my time on side projects, developer tools, and AI experiments. This is where I write about what I learn along the way.

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VaultMD

Headless Markdown-vault data layer for Bun with note CRUD and a derived SQLite index for collection queries, backlinks, and keyword search.

TypeScriptBunSQLite

Telegram Agent Kit

Runtime-agnostic ESM toolkit with a zero-dependency core, Markdown-to-HTML rendering, and live draft streaming for Telegram agents.

TypeScriptLLM agentsTelegram

AI DigestPersonalized Markdown tech digest that collects, deduplicates, and summarizes RSS feeds and GitHub releases.1 ★Obsidian Budget Planner PluginMinimalist budget planning for Obsidian, managed directly inside markdown code blocks.11 ★

Writing

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Automating monorepo tasks with Claude Code slash commands

Using Claude Code custom commands to replace manual dependency updates and tool upgrades in a monorepo.

Apr 2, 2026 · 4 min readclaude-code

Feb 16, 2026Generating commit messages with Copilot in Neovim Feb 13, 2026Hello World

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