--- title: Introduction to Agentic Systems | daily.dev description: An introductory session on agentic AI systems covering what agents are, why they're needed beyond simple LLM calls, and how they work. Key topics include the... canonical: https://daily.dev/posts/introduction-to-agentic-systems-jjtheygmu twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Introduction to Agentic Systems | daily.dev og:description: An introductory session on agentic AI systems covering what agents are, why they're needed beyond simple LLM calls, and how they work. Key topics include the... og:url: https://daily.dev/posts/introduction-to-agentic-systems-jjtheygmu og:image: https://api.daily.dev/og/posts/JJtheygmU.png og:image:alt: Introduction to Agentic Systems og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Introduction to Agentic Systems **[Gaurav Sen](https://daily.dev/sources/gkcs)** · 59 min read · 0 upvotes · 0 comments ## Summary An introductory session on agentic AI systems covering what agents are, why they're needed beyond simple LLM calls, and how they work. Key topics include the agentic loop, tool calling (with code examples in Python), the ReAct design pattern, MCP servers as a standardized way to expose tools, agent memory, guardrails via system prompts, and handling tool call failures. Live coding demos show a weather/currency/hotel booking agent built with OpenAI. The session ends with a pitch for a paid AI engineering cohort. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#llm](https://daily.dev/tags/llm), [#ai-agents](https://daily.dev/tags/ai-agents), [#mcp](https://daily.dev/tags/mcp) [View this post on daily.dev](https://daily.dev/posts/introduction-to-agentic-systems-jjtheygmu) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Introduction to Agentic Systems","url":"https://daily.dev/posts/introduction-to-agentic-systems-jjtheygmu","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/introduction-to-agentic-systems-jjtheygmu"},"datePublished":"2026-07-13T21:30:25.071Z","dateModified":"2026-07-13T23:17:34.527Z","description":"An introductory session on agentic AI systems covering what agents are, why they're needed beyond simple LLM calls, and how they work. Key topics include the...","image":"https://i.ytimg.com/vi/cAhmvlDWj18/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/cAhmvlDWj18/sddefault.jpg","isAccessibleForFree":true,"articleSection":"Gaurav Sen","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Gaurav Sen","logo":"https://media.daily.dev/image/upload/s--Ttjtrbgk--/f_auto,q_auto/v1780213730/logos/gkcs?_a=BAMAMiWQ0","url":"https://daily.dev/sources/gkcs"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/introduction-to-agentic-systems-jjtheygmu","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"llm,ai-agents,mcp","timeRequired":"PT59M","video":{"@type":"VideoObject","name":"Introduction to Agentic Systems","description":"An introductory session on agentic AI systems covering what agents are, why they're needed beyond simple LLM calls, and how they work. Key topics include the...","thumbnailUrl":"https://i.ytimg.com/vi/cAhmvlDWj18/sddefault.jpg","uploadDate":"2026-07-13T21:30:25.071Z","duration":"PT59M","url":"https://api.daily.dev/r/JJtheygmU","embedUrl":"https://www.youtube.com/embed/cAhmvlDWj18"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Gaurav Sen","item":"https://daily.dev/sources/gkcs"},{"@type":"ListItem","position":3,"name":"Introduction to Agentic Systems"}]} ```