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Tejas P Mehta

Practical AI for Developers, PMs & Founders

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prompt injection

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A human approving or denying an action proposed by an AI agent
Posted inAI & LLMs AI Agents in PHP Series MySQL & Databases PHP Tutorials

Guardrails and Human Approval

Posted by By Tejas P Mehta October 21, 2026
Nimbus can now read orders, check policies, search documents, open tickets and remember conversations. It's…
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Keyword and vector search combined, with a shield blocking a malicious note
Posted inAI & LLMs MySQL & Databases PHP Tutorials RAG Tutorial Series

Episode 7 — Improving Quality: Hybrid Search, Reranking & Guardrails

Posted by By Tejas P Mehta July 23, 2026
"Works on my questions" isn't "works" Episode 6 gave us a real, grounded, cited bot.…
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