Ever notice how your production monitoring tools are basically just elaborate ways of saying "something broke somewhere"? They'll tell you an exception happened—congratulations on this incredible insight—but ask them for the context needed to reproduce it, and suddenly they're as helpful as a chocolate teapot.
"Have you tried adding more logging?" they ask, as if that's not what we've been doing for the last decade. This madness ends today.
And, this is why we built the Last9 MCP Server.
What the Last9 MCP Server Does
The Last9 MCP Server does something so obvious that you'll slap your forehead and wonder why you didn't build it yourself (and if you did, sorry for stealing your thunder, but ours is better).
It captures the full context of exceptions when they happen in production and brings them directly to your local development environment, where you can:
- See exactly what blew up
- Understand exactly why it blew up
- Fix it without playing "guess the parameters"
- Verify your fix against the actual conditions that caused the failure
It's like having a time machine for your bugs. Instead of the dreaded "works on my machine" phenomenon, you get "this bug from production runs perfectly on my machine – and now I can fix it."
Not only does the Last9 MCP Server capture errors, but it works directly with the AI agent inside your Claude desktop app or Cursor and Windsurf IDEs to automatically suggest fixes for your code.
How It Works
That’s it. When exceptions occur in production, the Last9 MCP Server captures them with their full context (request parameters, environment variables, relevant state). Developers can then retrieve these exceptions from the Last9 MCP Server and reproduce the exact conditions that were caused in their production environment, allowing them to debug as if the error had just happened on their local machine.
The magic lies in how we capture everything needed to reproduce the issue without carrying over unnecessary baggage. We’re not sending you a full production dump (that would be insane and probably illegal). We're sending just enough information to recreate the exception exactly as it occurred.
Why you are going to love it
Our internal team, using our AI integration, reported an additional 35% reduction in time-to-resolution.
Here’s why your developer Slack channel is about to be filled with heart emojis:
- No More "It Works On My Machine" Arguments: When a bug happens in production, everyone sees the exact same reproduction case.
- Hours Saved, Sanity Preserved: The average developer spends 25% of their time debugging. We've seen teams cut that by more than half after implementing MCP Server because they're no longer guessing at reproduction steps.
- Asynchronous Debugging: The on-call developer can identify and tag the exception, and the team expert can fetch and debug it the next day with the exact same context.
- Better Code, Fewer Regressions: When you can reliably reproduce bugs, you can write accurate tests to prevent them from recurring.
- Proof Your Fix Works: Before you push to production, verify your fix against the exact exception conditions that were captured from the live environment.
- AI-Powered Fix Suggestions: Claude doesn't just show you the error - it recommends specific code changes with explanations of the root cause"
But Wait, There's More! (I've Always Wanted to Say That)
What if I told you that you could:
- See which exceptions impact the most users
- Identify patterns across multiple exceptions
- Prioritize fixes based on actual customer impact
- Share exception contexts with the entire team
- Watch exceptions disappear after you deploy your fixes
Claude + Cursor + Windsurf Integration
When using the Cursor editor, simply ask Claude to 'fix the last stack trace for [service-name]' and watch as it:
- Fetches the error details from last9.io
- Analyzes the code and stack trace
- Suggests specific fixes with explanations
- Let's you apply changes with a single click ⚡️
When your application encounters errors, MCP Server doesn't just log them—it organizes and makes sense of them. Here's what you'll see when you invoke MCP:
From this concise summary, you can immediately identify patterns, affected services, and impacted customers. With a single command to Claude in your Cursor editor—"Fix the Mobile API issues for lesson progress updates"—you'll get not just the stack trace, but a suggested code fix. No more hunting through logs. No more guesswork. Just clear insights and immediate solutions.
Demo Video
See how a production error gets fixed in seconds without leaving your editor!
But My Setup Is Special and Unique Like a Snowflake
Yes, I hear you. Your microservices architecture is a beautiful and unique snowflake. That's why we've designed the Last9 MCP Server to work with:
- Any deployment model (containers, VMs, serverless)
- Any cloud provider
- Your existing CI/CD pipeline
- Your favorite IDE (with plugins for VS Code, IntelliJ, and more)
We've also made it incredibly easy to exclude sensitive data, so your security team won't have a conniption.
How to Get Started
- Install the Last9 MCP Server alongside your existing last9.io setup
- Add our lightweight agent to your services
- Install the local client on your development machine
- Watch as production exceptions magically appear in your local environment
Total setup time: About 15 minutes. Seriously.
The Catch
You're waiting for the catch, right? Well, here it is: MCP Server requires a last9.io account. That's it. No complicated pricing tiers, no "enterprise features" held back. You get everything out of the box.
Ready to Make Your Future Self Thank You?
Check out our documentation, sign up for a demo, or dive right in and download MCP Server.
Your future self, your team, and your family will thank you.
Oh, and if you're thinking "this is too good to be true," we get it. That's why we're offering a free trial with no credit card required. Try it on your most annoying bug. If you don't become a convert, I'll personally send you an "I was right" trophy. (Legal made me say that's not a real offer, but you get the idea.)
P.S. If you've read this far, you're exactly who we built this for. Go download it already.
