A practical knowledge base for AI protocols, agents, core concepts, frameworks, and tools.
Learn what Prompt Injection means and how it is used. Prompt Injection is when attacker-crafted text gets a model to treat "data" as "instructions" and act on it, bypassing the rules it was given. OWASP ranks it as the top risk for LLM applications (LLM01), and it's especially dangerous in agents that can read web pages and files.
Learn what Harness Engineering means and how it is used. Harness Engineering can be understood as the engineering practice of "fitting an AI Agent with a controllable working environment." What it focuses on isn't writing yet another magic prompt, but using context, tools, permissions, feedback, testing, and auditing to make the AI's actions more stable and more checkable.
Learn what Knowledge Graph means and how it is used. A knowledge graph is a way of organizing knowledge with "entities" and "relationships." Unlike ordinary documents, which just store passages of text, it connects the relationships among people, companies, products, places, and concepts into a queryable knowledge network.
Learn what Alignment means and how it is used. AI alignment studies how to make an AI system's behavior consistent with human values, intentions, and interests. The problem sounds simple but is extremely har
Learn what Prompt Caching means and how it is used. Prompt Caching is an APIlevel optimization technique that lets an identical prompt prefix be processed only once across multiple requests, with subsequent calls
Learn what AI Search means and how it is used. AI search is a way of searching that combines realtime web retrieval with the generative capabilities of large language models. After a user asks a question, th
Learn what Computer Use means and how it is used. Computer Use is a capability that lets an AI model directly operate a computer's graphical interface. It doesn't rely on API interfaces; instead, like a human,
Learn what Reasoning Model means and how it is used. A reasoning model is a class of large language model that goes through a longer internal "thinking process" before formally giving an answer. OpenAI's o1, o3, a
Learn what Overview (AI Terminology) means and how it is used. New words arrive fast in AI. This series explains common AI terms like LLM, Transformer, RAG, Agent, MCP, agent memory, and embodied AI in everyday language, with no programming or math background required, helping you turn scattered jargon into a coherent, reusable mental map.
Learn what Vibe Coding means and how it is used. Vibe Coding is a term coined by Andrej Karpathy in 2025, describing a way of programming where you hand many code details over to AI and mainly describe your intent in natural language, run the results, and keep adjusting.
Learn what Distillation means and how it is used. In AI, distillation usually refers to "knowledge distillation" or "model distillation." Its core idea is to use a larger, more capable teacher model to guide a smaller, lighter student model, so the student model learns the teacher model's behavior as much as possible.
Learn what Reinforcement Learning means and how it is used. Reinforcement Learning, often abbreviated RL, is a class of machine learning methods. What it focuses on isn't "giving the model a pile of correct answers to learn from," but letting an agent try actions in an environment and gradually learn a better strategy based on rewards and penalties.
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