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Med Marrouchi
Med Marrouchi

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Teaching AI Coding Agents How to Build Workflows with Skills and MCP

AI coding agents are becoming more useful, but they still need context.

A generic agent can write code, explain files, and generate boilerplate. But when you ask it to work with a specific platform, framework, or internal system, it often misses conventions, syntax rules, and runtime details.

That is where the combination of Skills and MCP becomes interesting.

Skills Give the Agent Knowledge

A Skill is like a reusable instruction package.

Instead of writing a long prompt every time, you define how the agent should approach a specific task once.

For example, a workflow-writing skill can teach an AI agent:

  • how workflow YAML should be structured
  • which blocks or actions are available
  • how validation rules work
  • how to follow project conventions

In other words, Skills answer the question:

How should the agent work?

MCP Gives the Agent Tools

MCP, or Model Context Protocol, gives the agent structured access to an external system.

Instead of only generating files locally, the agent can interact with the running application. It can inspect available actions, validate workflow definitions, create or update workflows, and help debug issues.

So, while Skills provide guidance, MCP provides access.

Together, they turn an AI coding assistant from a code generator into something closer to a system-aware development partner.

A Simple Example: Lead Qualification

Imagine building a chatbot workflow that collects a visitor’s name, email, and company.

The workflow needs to:

  1. greet the visitor
  2. ask for contact information
  3. detect missing fields
  4. store the collected data in memory
  5. send the lead to a CRM like HubSpot
  6. confirm that the team will follow up

Traditionally, you would read the documentation, create a custom CRM action, define the workflow manually, test it, fix errors, and repeat.

With Skills and MCP, the developer experience changes.

You can ask the AI coding agent to create the custom CRM action, validate the workflow, connect the steps, and help test the final result inside the running application.

Why This Matters

The important idea is not that AI writes everything perfectly.

The important idea is that the agent now has two things it usually lacks:

Domain knowledge through Skills.

System access through MCP.

That means the agent can follow the right conventions and verify its work against the real runtime instead of guessing.

For developers, this opens an interesting pattern:

Don’t just prompt the AI agent. Teach it the system, then give it safe tools to work with.

This is especially useful for workflow builders, automation platforms, internal tools, and any project where correctness depends on more than just writing valid code.

AI coding agents are not just about faster code generation anymore.

They are becoming a new interface for building, testing, and operating software systems.

Top comments (1)

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Raju Dandigam

The useful point here is that Skills and MCP solve different context problems: one teaches the agent how to work, the other gives it the live system access and structure to work against. That separation matters because too many coding-agent setups still cram conventions, schemas, and runtime details into one giant prompt and then wonder why behavior drifts. I also like that your examples stay close to workflow YAML and platform-specific rules, since that is where reusable instruction packs actually save time. The next thing I usually want after that is execution visibility so I can tell whether the agent followed the skill well or just happened to get a good answer, which is where agent-inspect fits for me. Have you seen better results from narrow task-specific skills, or from broader team-level skills that encode more of the engineering playbook?