The 9 Application Performance Metrics You Need to Measure and Why
Understanding what your application performance metrics mean both independently and together is key in effectively using your APM system.
Scout Blog
Stuff we think matters
How We Do Support at Scout
Scout treats support as a differentiator. Real humans answer your questions, AI handles the research behind the scenes, and the same MCP servers and CLI tools we use internally are available to every customer.
Stop Starting Your Day in a Stack Trace
A workflow that connects Scout's MCP server to an AI assistant to automatically triage production errors overnight and open draft PRs with proposed fixes — so your team starts the day reviewing solutions, not stack traces.
March Newsletter
Elixir agent 2.0 adds error monitoring and log management, the Scout CLI is now available via Homebrew, and new public API endpoints and MCP server updates ship this month.
Getting Scout Data Into Your AI Workflow
We've shipped API updates, two MCP server options, and a new CLI — all designed to get Scout's performance data to the AI tools you already use.
Tracking Ecto Queries and HTTP Calls in Scout APM for Elixir
Scout APM's Elixir agent now captures Ecto query commands, row counts, and external HTTP calls via Finch, Req, and Tesla, giving you full visibility into where time goes in your Phoenix app.
This Week in Open Source: March 23, 2026
Rails ships a coordinated security patch fixing 9 CVEs across three branches, Starlette reaches 1.0 after eight years, and Laravel 13.1 lands post-Laracon EU fixes.
Error Monitoring for Elixir: Now in Scout APM
Scout APM's Elixir agent now includes built-in error monitoring—automatically capture Phoenix and LiveView exceptions via telemetry, or report errors manually with full context.
Monitoring Phoenix LiveView Performance With Scout APM
Scout's Elixir agent now auto-instruments LiveView mounts, handle_event, and handle_params via telemetry — no code changes to your LiveView modules.
This Week in the Scout Ecosystem: March 10, 2026
redis-py ships native OpenTelemetry metrics for async clients, Laravel fixes queue deadlocks, and a security disclosure reveals plaintext password leaks in redis-py.
Best Rails APM Tools in 2026: A Developer's Guide
A look at APM tools for Ruby on Rails as of March 2026.
Scout vs Datadog: Developer-Focused Monitoring vs Enterprise Observability
A comparison of Scout and Datadog, with a look at each platform's strengths and feature coverage.