How to add MCP servers to Cursor
How to add MCP servers to Cursor: project and global mcp.json files, remote and local servers, OAuth sign-in, secrets from env vars and tool approvals.
Learn how to run production. Plain answers to the questions on-call engineers ask.
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How to add MCP servers to GitHub Copilot in VS Code
How to add MCP servers to GitHub Copilot in VS Code: workspace and user mcp.json, HTTP and stdio servers, MCP: Add Server and confirming tool calls.
How to use Claude Code: a practical guide
How to use Claude Code: install it, write a CLAUDE.md, pick a permission mode, steer it mid-task, script it with -p and connect it to your tools with MCP.
How to use Codex CLI: install, AGENTS.md, MCP and exec
How to use Codex CLI: install it, sign in, write an AGENTS.md, set permissions, resume sessions, script it with codex exec and add MCP servers.
How to use OpenCode: install, plan and build, MCP
How to use OpenCode: install it, connect a provider, write an AGENTS.md with /init, switch between Plan and Build, undo changes and add MCP servers.
How to use the Pi coding agent
How to use the Pi coding agent: install it, sign in with /login, pick a model, branch sessions with /tree and /fork, compact context and script it with -p.
How to fix a broken build on main
How to fix a broken build on main: read the failing job, decide between rerun, revert and fix forward, find the breaking commit and stop the next one.
How to keep AI coding agents from breaking production
Stop AI coding agents breaking production: scoped credentials, branch protection they can't bypass, required checks that block, and production-aware review.
How to correlate incidents with deploys using evidence
Learn how to correlate incidents with deploys using release markers, metrics, logs and verified GitHub, Vercel, Cloudflare and Kubernetes change events.
What is change intelligence? A production safety guide
What is change intelligence? Learn how deploys, config, flags, infrastructure and dependency changes connect to incidents, using tools you already have.
Supabase vs Convex in production: reliability and cost
Supabase vs Convex in production: compare data models, realtime, consistency, scaling, migrations, monitoring, backups and costs before choosing your backend.
AsyncEventsDropped: diagnose Lambda async event loss
AsyncEventsDropped counts Lambda async events discarded after age or retry limits. Check throttling, destinations and DLQs, then verify processing recovery.
AWS_EMF_ENVIRONMENT: valid values and missing EMF fixes
AWS_EMF_ENVIRONMENT overrides EMF library detection. Check Node, Python and Java values separately, trace stdout or agent delivery, and fix missing metrics.
ChangeMessageVisibility: troubleshoot SQS message timeout errors
ChangeMessageVisibility resets SQS message visibility. Use current receipt handles, bounded timeout extensions and per-entry batch error checks with Lambda.
EC2ThrottledException: fix Lambda EC2 API throttling
EC2ThrottledException means EC2 throttled Lambda initialization. Check VPC state and API activity, distinguish concurrency limits, and verify a safe recovery.
LambdaInsightsExtension: setup and missing metrics fixes
LambdaInsightsExtension is the AWS Lambda Insights layer name. Choose a verified regional ARN, grant collector log permissions, and diagnose missing metrics.
Fix Cloudflare “Error 1102: Worker exceeded resource limits”
Why a Cloudflare Worker returns Error 1102, how to tell a CPU time overrun from a 128 MB memory overrun, and the code and Wrangler changes that fix each.
Kubernetes CrashLoopBackOff: causes and fixes
What CrashLoopBackOff means in Kubernetes, how to read the exit code and events behind it, and the fix for each common cause, from bad config to failing probes.
Fix “remaining connection slots are reserved” in PostgreSQL
Why Postgres refuses new logins with “remaining connection slots are reserved”, how to find who holds the connections, and how to pool and cap them for good.
Fix Prisma “P1001: Can't reach database server”
Why Prisma prints “P1001: Can't reach database server”, how to test the host and port it names, and how to fix private hosts, IPv6, paused databases and URLs.
Fix Railway “Application failed to respond” (502)
Why Railway returns “Application failed to respond” with a 502, how to tell a wrong host, port or target port from a crash or overload, and how to fix each.
Fix Render “Port scan timeout reached, no open ports detected”
Why a Render deploy fails with “Port scan timeout reached, no open ports detected”, how to spot the cause in the logs, and how to bind to 0.0.0.0 on PORT.
Fix Vercel “FUNCTION_INVOCATION_FAILED” 500 errors
Why a Vercel Function returns 500 FUNCTION_INVOCATION_FAILED, how to find the crash in runtime logs, and how to fix throws, missing env vars, files and memory.
Workers Issues: route Cloudflare errors to coding agents
Cloudflare's new Workers Issues groups exceptions and 5xx errors and sends them to Claude Code, Cursor, Devin or a webhook. Setup, automations and limits.
How to debug Vercel function timeouts
Debug Vercel FUNCTION_INVOCATION_TIMEOUT 504s: find the slow call with vercel logs and httpstat, fix hangs, set maxDuration and verify on a preview.
How to use Claude Code to debug production issues
Debug production issues with Claude Code: get logs and traces into the session, test hypotheses against evidence, stay read-only and ship a verified fix.
How to monitor a Convex app in production
Monitor a Convex app in production: use the Health page and CLI, stream logs to Axiom or Datadog, report exceptions to Sentry, and alert on failures.
How to monitor a Django app on Render
Monitor a Django app on Render: JSON logs, a real health check, failure alerts, log and metrics streams, OpenTelemetry under Gunicorn and Celery checks.
How to monitor a Supabase app in production
Monitor a Supabase app in production: scrape the Metrics API into Prometheus, drain logs, run SQL health checks, trace requests and alert on what matters.
How to monitor a vibe-coded app in production
Monitor a vibe-coded app in production: surface swallowed errors, add a health route, tag deploys, watch cron jobs and alert on what users feel first.
Cloudflare Hyperdrive connection errors: causes and fixes
Fix Cloudflare Hyperdrive connection errors: config codes 2008 to 2016, pool exhaustion, connection_refused and stale clients reused across Worker requests.
Cloudflare Workers error 1101: causes and how to fix it
Error 1101 means your Cloudflare Worker threw an uncaught JavaScript exception. Find the exception in logs, match it to its cause, fix it and roll back fast.
Is it safe to give an AI SRE read access to production?
Read access for an AI SRE is a sound first step if you scope it. The risks are secrets, customer data and exfiltration. Here are the controls and a checklist.
What is an AI SRE? How it works and how to evaluate one
An AI SRE is an AI agent that triages alerts, investigates incidents and proposes fixes. Learn how it works, the autonomy levels and how to evaluate one.
How to monitor a FastAPI app on Railway: logs, traces and alerts
Set up health checks, JSON logs, OpenTelemetry traces, monitors and crash alerts for a FastAPI service on Railway, with the commands and config to copy.
How to debug Cloudflare Workers errors: logs, traces and error codes
Debug Cloudflare Workers errors step by step: read 1101 and 1102 codes, enable Workers Logs and source maps, use wrangler tail, DevTools and local traces.
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Coding agents 6 guides How to get the most out of Claude Code, Cursor, Codex and the other coding agents: setup, MCP servers, rules files and day-to-day workflows. Continuous integration 1 guide How to keep CI green: fixing a broken build on main fast, finding the commit that broke it, merge queues and flaky tests. Deployment safety 2 guides How to ship changes safely: canary releases, change tracking, and what to check before and after every deploy reaches production. Monitoring coverage 5 guides How to find the gaps in your monitoring: which services have no alerts, which signals are missing, and what to add first to close them. Incident response 2 guides How to run an incident from the first page to the fix: triage, root cause analysis, keeping people informed, and the follow-up after. Reliability 1 guide How to set SLOs and error budgets, measure uptime honestly, and plan for the failures every production system has. Troubleshooting 16 guides Step-by-step fixes for common production errors on AWS, Kubernetes, Cloudflare, Vercel, Postgres and the rest of a modern stack. AI in production 3 guides How to give coding agents production context, connect them over MCP, and let AI change live systems with the right guardrails.