🧠 Why Your LLM Agents Need an IPL Coach — A Deep Dive into MCP with Real-World Analogies 🏏🤖🔥

Agilan VageesanAgilan Vageesan
5 min read

⚙️ What is MCP (Modal Context Protocol)?

Imagine LLMs (like Claude, ChatGPT, or Gemini) are superstar cricket players in the IPL 🏏. They're incredibly smart, but they need a coach to tell them where to find resources, who’s playing what role, and what tools they can use. That “coach” is the MCP server.

MCP is a new protocol introduced by Anthropic. It allows LLMs to interact with real-world apps and services through structured tools, resources, and prompts. Think of MCP as the dugout that helps the LLM team function effectively.

🛠️ Core Concepts: Tools, Resources & Prompts

🧰 Tools = Cricket Shots

Just like a player has different shots (cover drive, pull shot, sweep), an LLM has tools it can use to complete tasks. These are the most critical elements in MCP.

🧠 Example: Want the LLM to create a PostgreSQL database? You need a tool like create_database().

📦 Resources = The Playing Field

Resources are the background information — like pitch conditions, player stats, and match history. They help the LLM understand what’s available and relevant.

🧠 Example: A list of existing databases or current users in the system.

🗣️ Prompts = The Coach's Strategy

Prompts help guide how the LLM should act, what to say, and when. It’s like a coach telling the batter when to accelerate or when to hold ground.

🧠 Example: Instructional prompt for creating a new user with authentication enabled.

🧑‍💼 Who Are the Agents?

LLM agents are like IPL players on the field executing strategies. Each agent has a role (e.g., batter, bowler, wicketkeeper). In the AI world, they act independently, make decisions, and use tools based on what the coach (MCP server) makes available.

🏏 IPL Analogy:

  • Agents = Players (individual performers)

  • MCP = Coach + Team Strategy

  • Tools = Cricket Gear / Shots

  • Resources = Match Conditions & Data

  • Prompts = Instructions from Coach

😵 Why You Shouldn’t Autogenerate MCP Servers

Many companies take the lazy way out — they just autogenerate their MCP server using an OpenAPI spec. Don’t do this. Here’s why:

❌ 1. Too Many Endpoints = Too Many Shots

Imagine giving a new player every possible cricket shot ever made — they’ll freeze in confusion. LLMs are the same. Too many tools overwhelm them. Simplicity is power.

❌ 2. Poor Descriptions = Miscommunication

An OpenAPI spec is written for humans, not LLMs. LLMs need:

  • 🗂️ Clear descriptions

  • 🧪 Usage examples

  • 🧠 Intent-aware wording

Just like you wouldn’t tell your cricketer, “Do something with the bat,” you shouldn’t tell your LLM, “Use API POST v2/resource.”

❌ 3. Wrong Design = Wrong Game

APIs are built for machines and automation. LLMs think in goals and outcomes, not resource management.

✅ How to Build an MCP Server the Right Way 🛠️

Here’s your winning strategy to create a world-class MCP server — just like building a world-class IPL team.

🎯 Step 1: Choose Tools Carefully

Keep it lean. Only expose tools that are mission-critical for the LLM’s task. Less is more.

🏏 IPL Analogy: Don’t overload the team with too many bowlers when you only need two specialists. Pick your MVPs.

{
  "name": "create_database",
  "description": "Creates a new PostgreSQL database with optional auth enabled.",
  "parameters": {
    "db_name": "string",
    "with_auth": "boolean"
  }
}

📄 Step 2: Write LLM-Friendly Descriptions

LLMs need help understanding what a tool does. Write tool definitions like you’re explaining to a smart teenager.

🏏 Analogy: You don’t tell your batter, “Utilize vertical angular motion.” You say, “Play a straight drive.”

Use a pattern like this:

<tool>
  <name>create_database</name>
  <description>
    Use this tool to create a new database. Useful when initializing a new project or application.
  </description>
  <examples>
    <example>"Create a new database for my to-do app with auth enabled"</example>
  </examples>
</tool>

🧪 Step 3: Add Evals (Tests for LLMs)

LLMs are non-deterministic — like a batter trying risky shots. Evals help make sure the LLM chooses the right tool for the job.

🏏 IPL Analogy: Evals are like practice nets. You throw 100 deliveries and see how the batter performs.

🔧 Step 4: Design Human-Centric Tasks

Expose higher-order tasks, not low-level commands. LLMs don’t want CRUD; they want missions.

🏏 Analogy: Don’t tell your player “Lift your arm 45 degrees.” Just say “Bowl an inswinger.”

✅ Do this:

{
  "name": "prepare_database_migration",
  "description": "Prepares a staged database migration on a temporary branch."
}

🔁 Step 5: Multi-Step Workflows

You can chain tools together to guide the LLM like a coach scripting the innings.

🏏 Analogy: First lay a foundation (prepare), then accelerate (complete).

{
  "name": "complete_database_migration",
  "description": "Commits the staged migration after testing is complete."
}

📌 Pro Tips for a Killer MCP Server

  • 🧹 Keep your toolset small & focused

  • 📚 Write clean, natural language descriptions

  • 🧪 Test with real prompts and evaluate LLM behavior

  • 💡 Think of LLMs as junior developers who need handholding

  • 🛡️ Avoid exposing internal/complex or error-prone endpoints

  • 🤖 Design tasks, not functions

🏁 Wrapping Up

The world of LLMs is moving fast — and MCP is quickly becoming the standard way to make your app usable by AI agents. Just like a good coach wins matches, a well-designed MCP server wins users.

🔥 Don’t autogenerate. Curate.
🎯 Don’t overload. Simplify.
🏏 Don’t confuse. Coach clearly.

Your MCP server is the game plan. Build it like your app’s IPL team depends on it.

💬 Want help designing your MCP server or running Evals? Let’s nerd out — reach out in the comments or DMs!

🔗 Resources to Get Started

👉 Anthropic’s MCP Overview
👉 https://modelcontextprotocol.io/introduction
👉 https://python.langchain.com/docs/introduction/
👉 Build-Evals: Tool Evaluations for LLMs

👉 Your API is not an MCP

#MCP #AI #LLM #OpenAI #Claude #AItools #DevEx #PromptEngineering #Postgres #MLOps #APIs #Cricket #Neon #Agents #AIAgents #IPLanlogy

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Agilan Vageesan
Agilan Vageesan