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Achievement: Pull Sharkx4Achievement: Pair Extraordinairex4Achievement: YOLOAchievement: Quickdraw

Achievements

Achievement: Pull Sharkx4Achievement: Pair Extraordinairex4Achievement: YOLOAchievement: Quickdraw

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Egoushka/README.md
Yehor Hrabovskyi, backend-first .NET developer in Kyiv

hrabovskyi.online LinkedIn Attest on NuGet RSS

I'm a backend-first .NET developer in Kyiv. I build trade and payment flows, reconciliation and third-party integrations for a European crypto brokerage. I run everything I make on one Hetzner server, deployed from Git. I maintain Attest, a C# library that validates national identification numbers, tax identification numbers, VAT codes and postal codes for 87 countries. I work with C#, .NET, Angular and TypeScript at work, and Python, Kotlin, Postgres and Next.js on my own projects.

Live from the box, read 31 Oct, 10:47 UTC: 122 containers running, 0 unhealthy; 113 hours coded in 30 days; 624 NuGet installs; 12 posts.

Attest chargehand Chronicle Nytka switchboard devbox-mcp

Stack: C#, .NET, Angular, TypeScript at work; Python, Kotlin, Postgres, Next.js on my own projects; Docker, Linux, Cloudflare, Redis, Grafana, Prometheus, GitHub Actions and Bash on the box

Latest writing

My GitHub contributions, eaten by a snake

The cards redraw daily from status.json, written by cron on the box. How.

Pinned Loading

  1. agent-skills agent-skills Public

    Curated, commit-pinned agent skills for Claude Code, OpenCode and Codex, with a self-hosted reference search MCP

    Python

  2. attest attest Public

    Validates national identification numbers, tax identification numbers, VAT codes and postal codes for 87 countries, against the rule each country publishes

    C#

  3. chargehand chargehand Public

    Ask a question about your code from Claude Code or any MCP client and get back claims that each cite a file at a pinned commit, checked before you see them.

    C#

  4. chronicle chronicle Public

    Self-hosted memory for one person's chat archive and activity streams, indexed by conversation instead of by message and served to AI assistants over MCP.

    Python

  5. devbox-mcp devbox-mcp Public

    MCP server that runs a project's real test suite and SonarQube scans in throwaway, socket-proxied containers

    JavaScript

  6. x402-mcp-dotnet x402-mcp-dotnet Public

    Paid MCP tools for .NET: mark a tool [PaidTool] and an AI agent pays for each call in USDC before it runs.

    C#