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Heaviside479/README.md

Christopher Heaviside

Founder & software builder at Heaviside Solutions.

I build focused software products, developer tools and digital platforms — with an emphasis on clear problems, reproducible engineering and practical user value.

Based in Austria.

Featured open-source project

HandoffProbe

Open-source security testing for cross-protocol AI agent systems.

HandoffProbe is a developer-first security testing CLI for detecting failures that emerge when authority, identity, consent and execution context move across agent-protocol boundaries.

Initial focus: A2A 1.0 → MCP 2026-07-28.

  • 22 stable security attacks
  • deterministic local testing
  • secure and vulnerable reference fixtures
  • terminal, JSON and Markdown reporting
  • GitHub Action integration
  • Apache-2.0 licensed

GitHub: https://github.com/Heaviside479/handoffprobe
npm: https://www.npmjs.com/package/handoffprobe

npx --yes handoffprobe@0.1.0 test

Products & platforms

Revora

Inventory and workflow software for resellers — connecting physical stock, storage locations, QR workflows and marketplace operations.

https://revora.heaviside-solutions.com

BillDrift

3PL invoice reconciliation for e-commerce and DTC teams. BillDrift helps turn CSV/XLSX billing data into auditable findings and evidence-backed discrepancies.

https://billdrift.heaviside-solutions.com

ScopeLedger

Project-margin and scope auditing for small agencies, studios and consultancies — designed to make scope leaks and weak margins visible earlier.

https://scopeledger.heaviside-solutions.com

Elanvoro

An information platform for structured buying guidance, comparisons and transparent product recommendations.

https://elanvoro.heaviside-solutions.com

Heaviside Solutions

Heaviside Solutions is the umbrella for my independent software products and digital platforms.

https://heaviside-solutions.com

Current focus

  • developer-first security tooling
  • AI-agent protocol security
  • TypeScript and Node.js
  • Next.js web applications
  • deterministic testing and CI
  • product-focused software engineering
  • SEO-driven information platforms

Technology

TypeScript · Node.js · Next.js · React · Supabase · Vercel · GitHub Actions · Vitest

Contact

Website: https://heaviside-solutions.com
Email: heaviside.business@gmail.com

Building useful software, one focused product at a time.

Pinned Loading

  1. handoffprobe handoffprobe Public

    Open-source security testing for A2A → MCP agent handoffs and cross-protocol AI agent systems.

    TypeScript 1