Amsterdam, Netherlands
2013
  |  By Karen Patteri de Souza
At AppSignal, we love talking to our customers to learn how they're using the product. Recently, one of them showed us something worth sharing: with a single chat prompt, his AI agent searches production logs, closes incidents, and checks whether a pull request has shipped. Automating that kind of work turned out to be a matter of building the right agent skill.
  |  By Dejan Lukić
Cursor, Claude, and their fellow tools are great when they are speaking code, but once that code hits production, they are not exactly native. However, if your code is monitored by AppSignal, an MCP server can bridge that gap and allow agents to poke around the production.
  |  By Connor James
That's a wrap on Launch Week 2026. In case you missed a day, or you want the short version, here is everything we shipped.
  |  By Muhammed Ali
As developers, we sometimes find ourselves in situations where something feels slower than it should be. The first thing we tell ourselves is “Maybe I need a different tool.” And sure, at times, it might be due to the tool, I’ll give you that. But most of the time, it comes down to how you’ve implemented certain features. That’s one of the downsides that comes with having too much freedom.
  |  By Dejan Lukić
Fly.io is a neat choice for deploying Django fast and globally. What it doesn’t really give you out of the box, though, is a deeper picture of an application’s performance. Deployment is only part of the story. No matter which platform you’re using, operating a production application means you need to understand how it behaves. AppSignal helps you fully grasp what happens on the Fly.io server.
  |  By Dejan Lukić
Like it or not, vibe coding is here to stay. It’s too easy to just go away. Maybe if the per token cost rises too much at some point that it becomes cheaper to hire a junior… But until then, you’d better get used to it. For now, tools like Cursor, Copilot, and Claude let developers (and plenty of non-devs) ship full-stack apps faster than a junior is able to completely grasp the concept of the app they’re working on. And that’s pretty neat.
  |  By Serena Chou
Good monitoring shouldn't be a luxury for well-funded teams. Early-stage startups run the same production systems as everyone else, on a tighter budget. That's when clear observability earns its keep. Today we're launching AppSignal for Startups: an ongoing discount on the full AppSignal platform for early-stage teams, with a better deal for Y Combinator companies.
  |  By Karen Patteri de Souza
Good news for PHP developers: AppSignal monitoring is now available for PHP applications. Our new package brings traces, metrics, and logs from your PHP app into AppSignal, with auto-instrumentation for frameworks like Laravel and Symfony and a foundation built on OpenTelemetry. Already using AppSignal's PHP package and want the latest updates? Migrating is straightforward: remove your current OpenTelemetry setup and follow our new install guide.
  |  By Dejan Lukić
Prometheus is a battle-tested, flexible and, most importantly, free tool that has long been the go-to open-source monitoring solution. Much of its popularity came down to its simplicity. A few years have gone by, though, and the APM space has gotten pretty crowded. Developers are now starting to move away from the complexity of self-hosting, and OpenTelemetry stands out as one of the CNCF’s fastest-expanding projects. In fact, it’s now among the most adopted telemetry frameworks out there.
  |  By Tarun Singh
Performance problems in Rails applications are sneaky. Generally speaking, nobody opens tickets that say “my application is slower than it was last month (about 20%)”. What you do get instead are vague complaints from team members about a p95 latency that is climbing every week or a background job that used to take 2 seconds now taking 40 seconds to finish.
  |  By AppSignal
In this video, we give a whistle-stop tour of some of AppSignal's key features to help get you started.
  |  By AppSignal
He covers installation and setup, how to troubleshoot and fix performance issues, specifically showing a common use-case with N+1 queries. He then shows AppSignal's Sidekiq integration along with its magic dashboard, managing and reporting anomalies, custom instrumentation, and how to handle error reporting.. Here's the timeline.

Made for teams that want to build high quality Ruby and Elixir applications, AppSignal offers amazing insights into errors and performance issues, plus host monitoring and an easy to use custom metrics platform.

AppSignal supports the Elixir language with an Elixir package. The package supports pure Elixir applications and frameworks including Phoenix, Plug & Erlang.

AppSignal supports the Ruby language with a Ruby gem. The gem supports many frameworks and gems including Capistrano, DataMapper, Delayed Job, Grape, MongoDB, Padrino, Rack, Rake, Resque, Ruby on Rails, Sequel, Shoryuken, Sidekiq, Sinatra & Webmachine.

AppSignal now supports Node.js! The package supports pure JavaScript applications and TypeScript applications, and can auto-instrument various frameworks and packages with optional plugins.

AppSignal also has amazing support for catching errors from Front-end JavaScript applications and sending them to AppSignal, including the React, Vue, Angular, Ember, Preact & Stimulus frameworks.

Packed with features:

  • Alerts in your tools: AppSignal integrates with Slack, Flowdock, HipChat, OpsGenie and more.
  • Control your notifications: AppSignal notifies you exactly when you want to. Get the first exceptions per deploy, all of them of never. Set thresholds for performance notifications.
  • Amazing support: We don't do "first line" and "second line" support: you get to speak with a developer, immediately.
  • Send to issue trackers: A single click creates an issue with all the necessary details in your issue tracker of choice.
  • Manage teams and users: Add users to teams and give them access to specific or all, existing and/or new applications you monitor.
  • Focus on design: Developer tools do not need to be complicated and ugly. Our interface is kept clean and easy to use.

Catch errors, track performance, monitor hosts, detect anomalies — all in one tool.