https://scajal.dev/en/blog/ Notes from building fintech, crypto and telemetry platforms: money in databases, ledgers, LoRaWAN, multi-tenancy and AI inside the engineering loop. en Tue, 13 Oct 2026 15:00:00 GMT https://scajal.dev/en/blog/remote-mcp-server-laravel/https://scajal.dev/en/blog/remote-mcp-server-laravel/A Laravel MCP server that Claude and ChatGPT reach over OAuth, act as the signed-in user, dry-run bulk writes, log every change and can be revoked at once.Santiago CajalTue, 13 Oct 2026 15:00:00 GMT https://scajal.dev/en/blog/store-money-in-a-database/https://scajal.dev/en/blog/store-money-in-a-database/DECIMAL or integer minor units, how many decimal places each currency needs, where to round, and how to keep amounts exact in PHP and Laravel.Santiago CajalThu, 08 Oct 2026 15:00:00 GMT https://scajal.dev/en/blog/shipping-a-saas-alone-in-four-weeks/https://scajal.dev/en/blog/shipping-a-saas-alone-in-four-weeks/The solo founder tech stack behind Contamos: Laravel, managed auth, billing and hosting, plan limits in one place, and tests as the contract.Santiago CajalTue, 06 Oct 2026 15:00:00 GMT https://scajal.dev/en/blog/rfid-vs-barcode-inventory-count/https://scajal.dev/en/blog/rfid-vs-barcode-inventory-count/RFID vs barcode for a physical inventory count: why line of sight sets the cost, where RFID struggles, and the reconciliation software that makes it pay off.Santiago CajalFri, 02 Oct 2026 15:00:00 GMT https://scajal.dev/en/blog/laravel-inertia-vs-spa-api/https://scajal.dev/en/blog/laravel-inertia-vs-spa-api/When Laravel with Inertia and React beats a separate SPA and API, when it does not, and how two production apps use both without duplicating logic.Santiago CajalWed, 30 Sep 2026 15:00:00 GMT