building in public · Ukraine 🇺🇦

Daniel
Petrushevsky

Day sales, night tools builder.
AI agent infrastructure, SaaS platforms, cryptographic memory systems.

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10+
Projects shipped
5+
Years building
∞
Coffee consumed
TypeScript
Stack preference

Featured Projects

4 active

OpenClaw Memory Chain

● Active

Cryptographic proof system for AI agent memories. Ed25519 signed, hash-linked, anchored to Base blockchain.

TypeScriptEd25519Base L2 ↗

Govantazh

● Active

Multi-tenant cargo management SaaS. Real-time tracking via SSE, Telegram bot, Gmail automation.

React 19HonoSQLite ↗

zohcli

● Active

Go CLI for Zoho Mail & Admin APIs. Full OAuth2 flow, token refresh, org management.

GoOAuth2REST ↗

Claude Code Skills

● Active

Professional skill packs for Claude Code — TDD patterns, agent workflows, and domain toolkits.

JavaScriptAI Agents ↗

What I'm Building Now

WITNESS Protocol

Cryptographic AI Memory

Every agent memory timestamped, Ed25519 signed, hash-linked into a chain, optionally anchored to Base L2. Provable history for autonomous agents.

SaaS

Govantazh — Cargo Platform

Multi-tenant architecture on SQLite/Kysely. SSE real-time updates, Telegram bot for field workers, automated Gmail parsing. Built for Ukrainian logistics.

OpenClaw

Agent Skill Ecosystem

Building professional skill packs that turn AI agents into domain experts. Contributing to the OpenClaw/ClawHub ecosystem.

Let's build something.

Open to interesting projects, collaborations, and conversations.

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