Best New Relic Alternatives in 2026: Costs, Tradeoffs, and How to Switch
What New Relic actually costs a five-engineer team, seven alternatives compared against it, and a step-by-step plan for swapping agents, dashboards, and alerts.
Scout Blog
Stuff we think matters
Grape's error! Inside a Transaction Commits Your Data. Grape 4.1 Fixes It.
Calling error! inside an Active Record transaction in Grape commits the writes while the client gets an error. A fix landed for Grape 4.1. Here's how to check your API today.
Your Node.js App Might Be Leaking Memory Because of cls-hooked
If your Node.js app uses Mongoose (or another long-lived async resource) alongside cls-hooked, you may have a memory leak you've been blaming on the wrong thing.
On SQLAlchemy 2.1.0 or 2.1.1, Fixing an N+1 Could Change Your Results
SQLAlchemy 2.1.0 and 2.1.1 have a regression where selectinload() ignores extra conditions on some many-to-many relationships and loads rows that should be excluded. Here's who's affected, how to check, and the fix.
FastAPI 0.142 Turns On OpenTelemetry by Default. Here's What It Records.
FastAPI 0.142.0 records traces, metrics, and logs out of the box. Here's exactly what it captures, what it leaves out, and the four settings to check before you point it at a backend.
Best Monitoring Tools With MCP Servers for AI Coding Agents (2026)
A comparison of the monitoring and error tracking tools with MCP servers that let Claude Code, Cursor, and other AI coding agents read production errors, traces, and logs.
Every 404 in Your Rails App Might Be Allocating 13 MB
A Rails bug makes every exception, including routing errors from vulnerability scanners, copy every view resolver's template cache. Here's the cost, the fix in progress, and what to do today.
From Alert to PR: How Scout's MCP Server Closes the Loop on Performance Issues
How Scout's MCP server pipes N+1, slow query, and memory bloat insights directly to Claude or Cursor, so your AI coding assistant can diagnose issues against real production data and open a draft PR.
Starlette 1.7.0 Brings Native Tracing and Smarter Route Naming
Starlette 1.7.0 ships built-in OpenTelemetry tracing and scope["route"] exposure, plus a breaking AnyIO 4 requirement. Here's what to know.
This Week in Open Source: September 28, 2026
Starlette ships built-in OpenTelemetry tracing, PyMongo patches three CVEs, Prisma 8's release candidate carries real breaking changes, and a Rails issue exposes a hidden memory cost on every 404.
Predis 3.6.1 Fixes a Real CRLF Command Smuggling CVE
Predis 3.6.1 patches a real CRLF command smuggling CVE affecting Redis clusters. Here's what changed and why PHP/Laravel teams should upgrade now.
Mongoid 7.6.2 Patches Four Real Security Gaps, Not Just Bugs
Mongoid 7.6.2 looks like a routine patch but closes four real security gaps, from NoSQL injection to ReDoS.