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Wednesday, August 20, 2025

Wrangling the Wild West of MCP Servers


It’s getting actual out right here.

Ever since I shared how autonomous AI Brokers can monitor and heal the community on their very own—sure, that one—I’ve gotten the identical follow-up query in numerous types:

“Okay, Kareem, this all sounds nice… however how do I truly construct one in all these Mannequin Context Protocol (MCP) servers for my product?”

Excellent news! In case your product—like virtually each product on the market—has APIs, then chances are high that you have already got what you want.

Enter: OpenAPI spec

OpenAPI is a pleasant contract to your APIs. You would possibly’ve used it for Swagger docs, SDKs, Postman collections, or that one dusty codegen venture from 2021. However right here’s the twist: What for those who handed that very same OpenAPI spec to your AI agent?

That’s it. That’s the important thing.

One OpenAPI spec → one MCP Server → one AI-powered, access-controlled gateway to your product.

And no, this isn’t a “12 steps and a DevRel miracle” scenario. It’s just some strains of Python and a FastMCP wrapper round your OpenAPI file. The magic? Your APIs get remodeled into protected, role-based AI instruments—with out writing a single customized software definition.

Take into account the next instance:

Meraki MCP Server Creation with Open API spec codeMeraki MCP Server Creation with Open API spec code

You’re wrapping your current OpenAPI spec with FastMCP, wiring in your authenticated shopper, and passing in your route-based ACLs. That’s how easy it’s to go from “API docs” to “AI-ready, access-controlled MCP server.” 

Construct quick, govern good

On this new AI-powered world, pace is the straightforward half. Governance—that’s the more durable raise.

We don’t wish to give the agent the keys to the dominion. We wish to present it with a badge with simply the correct entry.

That’s the place RouteMap is available in—our ACLs for AI. With a easy record of patterns (regex for individuals who love ache and struggling) and HTTP verbs, you’ll be able to declare what endpoints are accessible for various personas (NOC, Sysadmin, full entry, and so forth).

Sure, it’s actually that simple. You’re constructing endpoint ACLs as code. You don’t must create a complete new auth system or practice a mannequin to “study” permissions. You simply declare what roles get entry to what endpoints—and the MCP Server enforces it.

From chaos to order

Let’s stroll by way of a real-world use case.

Say you’re a NOC crew managing a multi-site Meraki deployment. You’re answerable for holding community gadgets patched and safe—however you’ll be able to’t simply schedule firmware upgrades at any time. Some websites are 24/7. Some spike at midday. Some run evening shifts. The perfect improve window is a transferring goal.

That’s the place the agent steps in.

You wish to give the agent simply sufficient entry to assist:

  • Pull the present firmware standing
  • Monitor community utilization patterns
  • Schedule upgrades when it is smart

In the meantime, your Sysadmin crew wants the agent to generate compliance stories. They should know which gadgets are working outdated firmware—however they’re not scheduling upgrades or touching reside site visitors.

Two personas. Two very totally different scopes. One MCP server.

Right here’s the great thing about all of it. We didn’t write any customized instruments. We didn’t construct workflows or hardcode enterprise logic. We simply fed the MCP server the total Meraki OpenAPI spec—and let RouteMap deal with the remainder:

Meraki MCP Server Role-Based Route ConfigurationsMeraki MCP Server Role-Based Route Configurations

The NOC agent can schedule upgrades, as a result of it wants that management. The Sysadmin agent? It will get a read-only view, tailor-made for visibility and compliance.

And once more—we didn’t inform the agent how to do something. The magic is within the MCP server. The instruments change into accessible based mostly on the position, and the AI figures out the remainder.

That’s the type of ruled autonomy that turns AI from a danger right into a functionality.

View it in motion

As normal, you’ll discover all the pieces I’m displaying right here—the MCP server code, config, and immediate—in my GitHub Repo.

Now let’s fireplace this factor up. (And, sure, Community Pharaoh is a factor now.)

With the MCP server working and our route maps outlined, I launch Claude Desktop (my MCP shopper of selection) and kind the next immediate:

Your title is Community Pharaoh. You’re performing with full administrative visibility and information entry privileges. You’re a senior community administrator overseeing a number of Cisco Meraki organizations throughout the enterprise. Your position is to make sure that all community gadgets are working the most recent compliant firmware. You’re licensed to advocate firmware upgrades, however you will need to watch for specific human approval earlier than initiating any updates.

Goal Organizations: Cisco U.

Process DirectionsFor every group:

    • Record all networks
    • For every community, record all related gadgets (together with mannequin, serial, and present firmware model)
    • Retrieve the accessible firmware improve suggestions for the group
    • Establish any system that isn’t working the really useful model
    • Advocate firmware upgrades as applicable
    • Don’t carry out any improve except the human explicitly confirms with an announcement like: “Sure, please improve [device/network].”

A number of issues are price calling out:

The human-in-the-loop is in-built. The agent is aware of it can’t act by itself—it should watch for approval. That’s governance baked into the immediate.

We didn’t inform the agent learn how to test compliance or counsel upgrades. It makes use of the instruments accessible by way of the MCP Server and acts throughout the boundaries outlined by its position.

The agent is doing clever work inside protected boundaries—utilizing solely what it’s been given entry to. No guesswork. No scraping. No uncontrolled API calls. Simply clear, policy-driven interplay by way of a structured, safe interface.

Right here’s what the MCP server config seems like behind the scenes:

Cisco Meraki MCP Server CodeCisco Meraki MCP Server Code

Take note of the significance of the MCP_ROLE. This one surroundings variable controls which routes the agent has entry to. Set it to “NOC” and the agent can advocate firmware upgrades. Set it to “sysadmin” and the identical agent, with the identical immediate, will solely be capable to generate compliance stories—no upgrades, no PUTs.

That’s the benefit of separating the intelligence (LLM) from the management aircraft (MCP). You keep in command of what the agent can do.

And right here’s what the MCP server makes occur:

  1. Community Pharaoh traverses our Cisco U. group, pulling a listing of managed gadgets and spitting out a report.
  2. As Community Pharaoh is ready for a human within the loop to execute the improve, it additionally auto-corrects the model based mostly on net search and schedules it for us based mostly on utilization.
  3. Et, voila!
    Cisco Meraki DashboardCisco Meraki Dashboard

The talents behind the scenes

Let’s zoom in for a second. What did it take to construct this?

Listed here are the abilities a community engineer must put this collectively:

  • Understanding of API fundamentals: OpenAPI specs, endpoints, HTTP strategies
  • Python scripting: Spinning up a primary server and configuring the MCP wrapper
  • Entry management considering: Defining roles, entry boundaries, and imposing least privilege
  • Agent design mindset: Prompting with context, goal, and clear human oversight
  • Curiosity and experimentation: Making an attempt issues out and tweaking as you go

And possibly most significantly:

  • A shift in considering—from constructing automation for the community, to constructing automation that understands the community.

Let’s maintain pushing this frontier. As a result of the extra we construct clever boundaries, the extra we unlock protected autonomy.

And that’s how we go from the Wild West… to a well-governed AI-powered enterprise.

 

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