I'm Romy Mondello. I build agent-era infrastructure.
I'm the lead developer behind SigilX (decentralized certification on Base), SpendOS (AI spending automation), and a growing catalog of open-source tools for the agent-first web.
What I work on
- Agent infrastructure — x402 micropayments, MCP servers, llms.txt, agent-SEO tooling
- On-chain verification — ERC-8183 certificates, staked evaluator networks, VRF committee selection
- Developer tooling — EmDash plugins, Claude Code skills, Cloudflare Workers patterns
Connect
- GitHub
- CV
- Skills marketplace — Claude Code skills for $0.10 USDC via x402
For work inquiries: roman@mondello.dev