Binaya Dhakal — Writing https://www.dhakalbinaya.com.np/blog/ Notes on AI infrastructure, on-device models, agent security, open-source tooling, and building software products. en-us Fri, 14 Aug 2026 00:00:00 GMT A deny-by-default gate for AI agent tool calls https://www.dhakalbinaya.com.np/blog/tool-call-guard/ https://www.dhakalbinaya.com.np/blog/tool-call-guard/ Tue, 04 Aug 2026 00:00:00 GMT binaydhakal35@gmail.com (Binaya Dhakal) Why I built a deterministic enforcement layer: one JSON policy for tool calls, enforced in JavaScript and Python before a tool executes.