debug · 24 playbooks
Stop fires. Find regressions. Catch silent bugs.
Agent-first playbooks for catching bugs before customers do. Each one is a workflow example your agent adapts to the app's live event vocabulary.
- beginner · 30 seconds ★ featured
Diagnose a customer complaint in 30 seconds
Paste a customer message. The agent pulls their session, finds the error they hit, walks their funnel, and tells you what to reply.
#errors#analytics#customer-support#replay#distinct-id - intermediate · 2 minutes ★ featured
Track crash-free user rate per app version
Distinct users who hit a crash divided by DAU, per app version. The industry-standard mobile health metric — surface version-by-version drops fast.
#errors#mobile-app#crash-free-rate#app-version#sentry-alternative - beginner · 30 seconds ★ featured
Find what broke after your last deploy
Diff error fingerprints before and after the latest deploy SHA. Surface regressions in 30 seconds, including a candidate fix.
#errors#deploys#post-deploy#oncall#regression - intermediate · 2 minutes ★ featured
Rank errors by revenue impact, not raw count
Multiply users-affected by their plan ARR to surface the bugs costing real money. Stop triaging by event volume.
#errors#revenue#triage#account-health#b2b - intermediate · 5 minutes
Find slow API routes by customer and plan
Rank API endpoints by p95 latency, error rate, customer, and plan so engineering can fix performance where it affects revenue.
#analytics#api#latency#devtools-api#performance - intermediate · 5 minutes
Detect frontend performance regressions
Compare page-load and interaction timing by release, browser, and route so frontend regressions are visible beside errors.
#analytics#frontend#performance#releases#browser - intermediate · 5 minutes
Find integration setup failures
Show where customers fail while connecting integrations so engineering and CS can fix the highest-impact setup blockers.
#analytics#errors#integrations#onboarding#customer-success - intermediate · 5 minutes
Find queue latency and dead-letter spikes
See which background jobs are backing up, retrying, or landing in dead-letter queues before customers notice stale state.
#analytics#errors#background-jobs#queues#infra - intermediate · 2 minutes
Mobile background-sync failure monitoring
Background sync, refresh, prefetch jobs fail silently and degrade UX. Group failures by task_name and network_type to find the patterns.
#errors#mobile-app#background-jobs#oncall#infra - intermediate · 2 minutes
Find IE/Safari/old-Chrome-only crashes
Split client-side errors by browser and version. Surface fingerprints concentrated in one engine — usually older Safari or a stale Chromium.
#errors#browser#client-side#frontend#sentry-alternative - intermediate · 2 minutes
Track static-asset 404s per release
Group asset 404s by URL and deploy SHA. Catch stale CDN caches and missing hashed bundles before users see a blank page.
#errors#cdn#release#deploys#frontend - intermediate · 1 minute
Diagnose CORS errors after a deploy
Find CORS-blocked requests grouped by origin and endpoint. Surface the misconfigured Access-Control-Allow-Origin from a recent service move.
#errors#cors#deploys#post-deploy#infra - advanced · 2 minutes
Find connection-pool / timeout patterns in errors
Surface DB connection exhaustion, statement timeouts, and deadlock retries. Find the original slow query starving everything else.
#errors#database#infra#scaling#oncall - beginner · 30 seconds
Find what broke after the last npm update
Tie new error fingerprints to the deploy that bumped dependencies. Spot the silent regression nobody intended to ship.
#errors#regression#dependencies#deploys#post-deploy - advanced · 3 minutes
Which user action triggers which error?
Join errors and analytics events by distinct_id and timestamp. For each top fingerprint, surface the user action that immediately preceded it.
#errors#analytics#cross-signal#sentry-alternative#posthog-alternative - beginner · 1 minute
Compare error rates between staging and prod
Diff fingerprints between staging and production. Find what's already breaking in staging that the next deploy will carry into prod.
#errors#environments#pre-deploy#staging#oncall - intermediate · 1 minute
Diagnose a flaky CI test from its error payloads
Group test failures across CI runs by error pattern. Get a verdict — real bug or timing — without the manual archaeology.
#errors#ci#testing#oncall#flaky-tests - intermediate · 1 minute
Catch display-vs-actual-stock mismatches
Find inventory sync errors trending up by warehouse and SKU before customers do. The 'in stock' display lie is one of the highest-cost bugs in ecommerce.
#errors#inventory#ecommerce#infra#oncall - intermediate · 1 minute
Detect a 429-spike before customers tweet about it
Trend HTTP 429 responses week-over-week and flag spikes. Catch third-party rate-limit tightening or a runaway customer integration.
#errors#rate-limiting#early-warning#oncall#datadog-alternative - beginner · 2 minutes
Find the products driving refunds
Compute refund rate per SKU over 90 days. One bad product can poison your margins — refund-rate-per-SKU separates the herd from the outliers.
#analytics#refunds#ecommerce#quality#customer-support - intermediate · 2 minutes
Diagnose a bug from the session replay, not the stack
Customer reported a checkout error. Pull their session replay, read what they did in the 60s before the error. Some bugs only make sense when you see the user's screen.
#errors#replay#customer-support#debugging#posthog-alternative - beginner · 10 seconds
Find the bugs 5 people hit but no one reported
Surface real errors that affect multiple users but never get filed as tickets. The biggest source of silent churn.
#errors#oncall#retention#saas#sentry-alternative - intermediate · 2 minutes
Diagnose Stripe `card_declined` patterns
Group Stripe payment failures by decline_code. Surface the top causes and the customers affected. Different decline = different fix.
#errors#stripe#ecommerce#payments#customer-support - intermediate · 1 minute
Find the cron that fails every Sunday at 3am
Bucket errors by hour-of-day and day-of-week to surface periodic failures hiding inside normal noise.
#errors#cron#time-series#ops#infra
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Adapt a playbook in your own agent.
Send this to Claude Code, Cursor, Codex, or any coding agent. It uses the HTTP API, sets you up, and adapts the playbook to your saved signal map and query blueprints.