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Model Context Protocol (MCP), clearly explained (why it matters)

2025-03-14 Science & Technology
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Greg Isenberg
Greg Isenberg
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For startup ideas, trends and prompts to build them join https://Ideabrowser.com....I’m joined by Ras Mic to explain Model Context Protocol (MCP). Mic breaks down how MCPs essentially standardize how LLMs connect with external tools and services. While LLMs alone can only predict text, connecting them to tools makes them more capable, but this integration has been cumbersome. MCPs create a unified layer that translates between LLMs and services, making it easier to build more powerful AI assistants. Timestamps: 00:00 - Intro 02:26 - The Evolution of LLMs: From Text Prediction to Tool Use 07:39 - MCPs explained 10:59 - MCP Ecosystem Overview 13:47 - Technical Challenges of MCP 15:05 - Conclusion on MCP's Potential 15:48 - Startup Ideas for Developers and Non-Technical Users Key Points: • MCP (Model ContextProtocol) is a standard that creates a unified layer between LLMs and external services/tools • LLMs by themselves are limited to text prediction and cannot perform meaningful tasks without tools • MCP solves the problem of connecting multiple tools to LLMs by creating a standardized communication protocol • The MCP ecosystem consists of clients (like Tempo, Windsurf, Cursor), the protocol, servers, and services 1) What are MCPs and why should you care? MCPs are NOT some complex physics theory - they're simply STANDARDS that help LLMs connect to external tools and services. Think of them as universal translators between AI models and the tools they need to be truly useful. This is HUGE for making AI assistants actually capable! 2) The Evolution of LLMs: From Text Prediction to Tool Use Stage 1: Basic LLMs can only predict text • Ask ChatGPT to send an email? "Sorry, I can't do that" • They're glorified text predictors (if I say "My big fat Greek..." it knows "wedding" comes next) • Limited to answering questions, not DOING things 3) The Current State: LLMs + Tools Stage 2: LLMs connected to tools • Companies like Perplexity connect LLMs to search engines • This makes them more useful but creates problems • Each tool = different "language" the LLM must learn • Connecting multiple tools = engineering NIGHTMARE This is why we don't have Jarvis-level assistants yet! 4) Enter MCPs: The Game-Changer MCPs create a UNIFIED LAYER between LLMs and external services. Instead of your AI speaking 10 different "languages" to use 10 different tools, MCPs translate everything into ONE language. Result? LLMs can easily access databases, APIs, and services without massive engineering headaches. 5) The MCP Ecosystem Explained The MCP system has 4 key components: • MCP Client: User-facing apps like @tempoai, Windsurf, Cursor • Protocol: The standardized communication method • MCP Server: Translates between client and services • Service: The actual tool (database, search engine, etc.) Brilliant move by Anthropic: SERVICES must build MCP servers! 6) Why This Matters For Builders For technical folks: • Opportunity to build tools like MCP app stores • Easier integration between services • Less engineering headaches For non-technical folks: • Watch closely as standards evolve • When standards finalize, new business opportunities will emerge • Think of MCPs as Lego pieces you'll stack to build powerful AI apps Notable Quotes: "LLMs by themselves are incapable of doing anything meaningful... The only thing an LLM in its current state is good at is predicting the next text." - Ross Mike "Think of every tool that I have to connect to make my LLM valuable as a different language... MCP, you can consider it to be a layer between your LLM and the services and the tools." - Ross Mike LCA helps Fortune 500s and fast-growing startups build their future - from Warner Music to Fortnite to Dropbox. We turn 'what if' into reality with AI, apps, and next-gen products https://latecheckout.agency/ BoringAds — ads agency that will build you profitable ad campaigns http://boringads.com/ BoringMarketing — SEO agency and tools to get your organic customers http://boringmarketing.com/ Startup Empire — a membership for builders who want to build cash-flowing businesses https://www.startupempire.co FIND ME ON SOCIAL X/Twitter: https://twitter.com/gregisenberg Instagram: https://instagram.com/gregisenberg/ LinkedIn: https://www.linkedin.com/in/gisenberg/ FIND MIC ON SOCIAL X/Twitter: https://x.com/rasmickyy Youtube: https://www.youtube.com/@rasmic

Top Comments (10)

@lucface 2025-03-14

i watched 20 MCP videos. Love that this dude just made it make sense. Please ASK HIM FOR A MORE DEEPER DIVE!!

765 11 replies
@ANKU03-0 2025-09-19

MCPs simplifying the communication between LLMs and tools is a game-changer. I've been using nocodeapi lately for connecting APIs, and it makes these concepts much more accessible. Thanks for the insights!

201
@HU5T1E 2025-03-29

you really talked up this man’s explaining capabilities…he delivered on that praise. Good stuff

75
@astrofolia4515 2025-03-15

Who is this guy!? I haven't listened to someone that has instantly hooked me like this with his engagement and charisma Great guest

74
@sunilbudke 2025-03-22

He deserves to be called the "Professor." Great video. Thank you.

68
@Yadav.Bhaibrand 2025-08-28

Understanding how MCPs streamline the integration of multiple tools with LLMs is a game-changer for developers. I manage to set up some connections using nokoadeapi, which saves time and effort.

36
@Deepcreation08 2025-08-27

The concept of MCPs acting as a universal translator between LLMs and tools is fascinating. I've been using nocodeapi lately, and it really simplifies connecting various services without backend hassle.

31
@konkan-m6p 2025-09-19

The evolution from basic LLMs to tool-connected systems shows why MCPs are necessary. I sometimes rely on nocodeapi to handle multiple app connections, and this protocol seems like the next logical step.

27
@PranshuKumar-m6s 2025-09-09

Understanding MCPs as a universal translator for AI models is brilliant. I've been exploring NoCodeAPI for various integrations, and this concept fits well with what I'm trying to achieve.

24
@Wallstreetpaper 2025-06-19

Ras Mic deserves a Netflix special: “Explain Tech Like I’m 5, but Smarter.” Thanks guys!!

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