Blog
Writing Log
Project logs, notes, and system documentation.
- Jun 21, 2026An agent-payable API with x402: two chains, REST, and MCPA FastAPI service that sells data to AI agents over x402, paid in testnet USDC on Base and Solana and served as both REST and MCP. The hard parts: settling on Solana with no SOL, and wiring MCP payments against an SDK whose docs do not match the installed code.
- May 29, 2026Monitoring X with n8n, configured from a Google SheetAn n8n side project that watches X and replies to its own posts when they take off, configured from a Google Sheet.
- May 25, 2026Migrating managed Lovable app and Supabase (Postgres) DB without downtimeMoving a Lovable app to a self-hosted Supabase on a VPS, the Postgres database cut over live with logical replication.
- Feb 19, 2026PR Previews with Argo CD ApplicationSetHow I run pull request preview environments with Argo CD so each PR gets its own URL and is cleaned up automatically
- Jan 11, 2026Pulumi K3s GuideGuide for running a Zero-Trust Kubernetes node on Hetzner with Cloudflare Tunnel and Pulumi with no open inbound ports
- Dec 12, 2025WelcomeWelcome to my technical notes and experiments