MCP Explained: The USB-C Port for AI
Before Model Context Protocol (MCP), connecting an AI assistant to each external tool often meant writing custom integration code for that particular application. MCP gives…
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Insights
The Rivira Tech blog
Tutorials, insights and practical guides on generative AI, LLMs, agents, RAG and AI education — written by people who build with them.
The AI Tool Stack in 2026: What Practitioners Actually Open Every Day
AI engineers can use six different categories of tools without needing six different platforms. The tools that matter most are often the ones you open repeatedly to build, test…
Read articleThe 3 Mistakes Everyone Makes With Embeddings
Your RAG application can return a similarity score of 0.92 and still give the user the wrong document. Embeddings make semantic search possible, but three common mistakes can…
Read articleFine-Tuning vs RAG vs Prompting: A Decision Tree You Can Actually Use
Most AI applications do not need fine-tuning to solve their first real problem. Many teams spend time training a model when a better prompt or a simple document search system…
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MCP Explained: The USB-C Port for AI
Before Model Context Protocol (MCP), connecting an AI assistant to each external tool often meant writing custom integration code for that particular application. MCP gives…
Read article
The AI Tool Stack in 2026: What Practitioners Actually Open Every Day
AI engineers can use six different categories of tools without needing six different platforms. The tools that matter most are often the ones you open repeatedly to build, test…
Read article
The 3 Mistakes Everyone Makes With Embeddings
Your RAG application can return a similarity score of 0.92 and still give the user the wrong document. Embeddings make semantic search possible, but three common mistakes can…
Read article
Fine-Tuning vs RAG vs Prompting: A Decision Tree You Can Actually Use
Most AI applications do not need fine-tuning to solve their first real problem. Many teams spend time training a model when a better prompt or a simple document search system…
Read article
What Running an AI App Actually Costs: A Real Breakdown for 1,000 Users
An AI app with 1,000 users does not automatically need a $1,000 monthly AI budget. In a well-designed Retrieval-Augmented Generation (RAG) application, the model is only one part…
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What Is an AI Agent, Really? A No-Hype Definition
An AI agent can call tools, inspect the results, and decide what to do next. But a chatbot that writes a perfect answer is not automatically an agent. The difference matters if…
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RAG in Plain English: The Library, the Librarian, and the Answer
RAG in Plain English: The Library, the Librarian, and the Answer An AI model can write a convincing answer and still get your company's facts completely wrong. Retrieval-Augmented…
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What Actually Happens Inside a Context Window
What Actually Happens Inside a Context Window An AI model can support a context window of 128,000 tokens and still miss an important instruction buried in a long conversation. A…
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Prompt Engineering vs Context Engineering: Key Differences
Prompt Engineering vs Context Engineering: The Difference Nobody Explains Properly You can write a perfect prompt and still get a completely wrong answer from an AI model. The…
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