| Planning an agentic rewrite? Build the harness first.
A black-box harness that validates behavior against the legacy s… |
@checklyHQ |
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2026-10-23 |
47 |
0 |
0 |
0 |
0 |
0 |
| After the migration:
→ far fewer pods, freeing ~15 vCPU and 45GB of memory
→ 60% fewer database average active sessions… |
@checklyHQ |
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2026-10-22 |
92 |
1 |
0 |
0 |
0 |
0 |
| Create a check, then tune it in the same chat.
"Please make it run every five minutes."
"Please also run it from Tokyo… |
@checklyHQ |
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2026-10-21 |
45 |
0 |
0 |
1 |
0 |
0 |
| "If everything's tier one, then nothing's tier one." How Yext keeps its service tiers meaningful:
On-deman webinar:
h… |
@checklyHQ |
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2026-10-20 |
72 |
0 |
0 |
0 |
0 |
0 |
| Your app isn't one thing. Your status page shouldn't be either.
Checkly status pages are rebuilt around components. Gr… |
@checklyHQ |
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2026-10-20 |
80 |
0 |
0 |
0 |
0 |
0 |
| What if broken checks fixed themselves?
Automatic check repair is in beta. When a Browser or Multistep check fails bec… |
@checklyHQ |
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2026-10-19 |
107 |
2 |
0 |
0 |
0 |
0 |
| You can delete a project from the app now.
And when you drop a resource from your code, deploying with --preserve-reso… |
@checklyHQ |
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2026-10-16 |
57 |
0 |
0 |
0 |
0 |
0 |
| At Yext, service teams define what healthy means. SRE provides the platform that turns those decisions into checks.
Th… |
@checklyHQ |
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2026-10-15 |
84 |
1 |
0 |
0 |
0 |
0 |
| The Checkly MCP server now writes checks, too.
Ask your agent to create, update, or delete checks, monitors, and group… |
@checklyHQ |
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2026-10-14 |
74 |
0 |
0 |
0 |
0 |
0 |
| When checks keep failing in a region, Yext turns it down and reroutes users to the next closest region. Automatically. … |
@checklyHQ |
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2026-10-13 |
47 |
0 |
0 |
0 |
0 |
0 |
| What does it feel like to let an AI agent rewrite a production service that handles 92M messages a day?
Eddie's answer… |
@checklyHQ |
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2026-10-12 |
73 |
0 |
0 |
0 |
0 |
0 |
| Every service was up. Nobody could log in. A change had not reached Redis, so Redis was unavailable, but every service … |
@checklyHQ |
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2026-10-08 |
65 |
0 |
0 |
0 |
0 |
0 |
| For this rewrite, Go's type system was a much better fit for agents than JavaScript.
The compiler caught a category of … |
@checklyHQ |
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2026-10-07 |
71 |
0 |
0 |
0 |
0 |
1 |
| A team ships a service. Who owns its monitoring?
At Yext, the team that builds it does. They decide what healthy means;… |
@checklyHQ |
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2026-10-06 |
75 |
0 |
0 |
0 |
0 |
0 |
| "Which repo owns this check?"
Easy to answer when everything is in one repo. Less so when your monitors come from seve… |
@checklyHQ |
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2026-10-01 |
174 |
2 |
0 |
0 |
0 |
0 |
| Last call. We go live tomorrow.
Yext uses Checkly results to move traffic between regions. When checks in one region f… |
@checklyHQ |
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Original |
2026-09-30 |
71 |
1 |
2 |
0 |
0 |
0 |
| Would you ship 13,000 lines of agent-written code to a service this critical?
We did. First we built about 600 black-b… |
@checklyHQ |
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2026-09-29 |
422 |
7 |
1 |
5 |
0 |
2 |
| You can now see which of your monitors still match the code that created them.
Filters for Drifted, In sync and Not tr… |
@checklyHQ |
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2026-09-28 |
55 |
0 |
0 |
0 |
0 |
0 |
| Every service is green. Checkout is still broken.
Yext calls the missing layer a "functionality": a user-facing capabi… |
@checklyHQ |
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Original |
2026-09-25 |
80 |
0 |
0 |
0 |
0 |
0 |
| Your dashboard says 200 OK. Your customers can't check out.
Uptime checks tell you the server is alive. Browser checks… |
@checklyHQ |
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2026-09-25 |
68 |
2 |
0 |
0 |
0 |
0 |
| Running private locations behind a firewall?
Every one of them now has an Errors tab. Stack traces, breadcrumbs, error… |
@checklyHQ |
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2026-09-24 |
63 |
0 |
0 |
1 |
0 |
0 |
| What if an agent got the page first?
Mistral is experimenting with agents that pull context from Checkly, Grafana, and… |
@checklyHQ |
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Original |
2026-09-23 |
78 |
0 |
0 |
0 |
0 |
0 |
| At Yext, the check interval is not a judgment call. The SLO target decides it.
Shikhar Jagadeesh joins us Oct 1 to wal… |
@checklyHQ |
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Original |
2026-09-22 |
66 |
0 |
0 |
0 |
0 |
0 |
| Checkly projects now have their own page in the Checkly UI.
If you deploy your checks from a repo with the CLI, that r… |
@checklyHQ |
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2026-09-22 |
96 |
1 |
0 |
0 |
0 |
0 |
| Both daemons processed real production traffic side by side for a week.
CI ran the harness against both. A failure on … |
@checklyHQ |
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2026-09-21 |
76 |
1 |
0 |
0 |
0 |
0 |
| A check fails from a private location.
Your app? The network? The location itself?
You used to guess. Or file a ticke… |
@checklyHQ |
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2026-09-18 |
68 |
0 |
0 |
0 |
0 |
0 |
| Every new Mistral model gets monitoring the moment it appears in their catalog.
Terraform reads the capabilities and g… |
@checklyHQ |
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2026-09-17 |
90 |
0 |
0 |
0 |
0 |
0 |
| Empty Checkly account. One prompt. Three monitors a few minutes later.
Claude Code wrote an API check, a URL monitor, … |
@checklyHQ |
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2026-09-16 |
83 |
0 |
0 |
0 |
0 |
0 |
| Your private location broke. Now it tells you why.
An Errors tab on every location: stack traces, breadcrumbs, error c… |
@checklyHQ |
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2026-09-15 |
77 |
2 |
0 |
0 |
0 |
0 |
| Our harness modelled 3 retry queues. Production had 18 per region.
The agent built its retry logic around the harness,… |
@checklyHQ |
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2026-09-14 |
79 |
0 |
0 |
0 |
0 |
0 |
| Friday, 7pm. A promo goes out. Everyone hits "order" at once.
"All of Nando's online ordering and restaurant pages run… |
@checklyHQ |
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2026-09-11 |
74 |
0 |
0 |
0 |
0 |
0 |
| One instruction. Main criterion: the harness passes.
Claude Code ran overnight and produced ~13,000 lines of deployabl… |
@checklyHQ |
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2026-09-09 |
83 |
1 |
0 |
1 |
0 |
0 |
| A Checkly alert fires. The agent investigates the result and Rocky AI analysis, tests a fix, then opens a Linear ticket… |
@checklyHQ |
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Original |
2026-09-08 |
20 |
0 |
0 |
0 |
0 |
0 |
| Every output recorded in golden files, generated against the legacy system. The rewrite has to match byte for byte, wit… |
@checklyHQ |
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2026-09-04 |
74 |
0 |
0 |
0 |
0 |
0 |
| Your uptime monitoring can now live deeper in your stack and right next to your code.
Define gRPC, SSL, and Traceroute… |
@checklyHQ |
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2026-09-03 |
28 |
0 |
0 |
0 |
0 |
0 |
| Questions scale in chat. Monitoring scales in code.
Use MCP to ask about the live state of your account. Use the CLI t… |
@checklyHQ |
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2026-09-02 |
73 |
0 |
0 |
0 |
0 |
0 |
| Our Results Daemon processes about 92M messages a day. We rewrote it from Node.js to Go, and we let Claude Code write i… |
@checklyHQ |
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2026-09-01 |
84 |
1 |
0 |
0 |
0 |
0 |
| "98% of the time I can just pass it off, go get a cup of coffee, and come back and the tests pass."
Mistral developers… |
@checklyHQ |
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2026-08-28 |
71 |
0 |
0 |
0 |
0 |
0 |
| More tools don't help if your agent doesn't know production broke.
A reliable signal gives it a starting point: the fa… |
@checklyHQ |
Company |
Original |
2026-08-27 |
82 |
0 |
0 |
0 |
0 |
0 |
| A 134-line skill cannot document a whole monitoring platform. It doesn't have to.
Checkly's agent guidance ships insid… |
@checklyHQ |
Company |
Original |
2026-08-25 |
74 |
0 |
0 |
0 |
0 |
0 |
| Your service is down. But where?
The network path? The TLS certificate? The gRPC service itself?
Checkly’s new Tracer… |
@checklyHQ |
Company |
Original |
2026-08-25 |
82 |
0 |
0 |
1 |
0 |
0 |
| "Fear definitely doesn't scale."
As agents ship more code, confidence has to keep up. That comes from automation, test… |
@checklyHQ |
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Original |
2026-08-21 |
90 |
0 |
0 |
0 |
0 |
0 |
| "LCP was 3.2s" tells you a page was slow. Not why.
Playwright Check Suites now expand LCP and INP into the element res… |
@checklyHQ |
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Original |
2026-08-20 |
84 |
0 |
0 |
0 |
0 |
1 |
| When Mistral ships a new model, its monitoring ships too.
Terraform queries the live model catalog, reads each model's… |
@checklyHQ |
Company |
Original |
2026-08-19 |
76 |
0 |
0 |
0 |
0 |
0 |
| Three new uptime monitors are now GA in Checkly:
• gRPC: verify service health and responses
• SSL: catch certificate … |
@checklyHQ |
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Original |
2026-08-18 |
88 |
0 |
0 |
0 |
0 |
0 |
| Tomorrow, Stefan breaks something on purpose.
MCP inspects the failure and starts Rocky AI analysis. The CLI shows how… |
@checklyHQ |
Company |
Original |
2026-08-17 |
78 |
0 |
0 |
0 |
0 |
0 |
| "If this sounds too good to be true, it's real."
MCP tells your agent what's broken. The CLI lets it write, test, and … |
@checklyHQ |
Company |
Original |
2026-08-14 |
103 |
0 |
0 |
0 |
0 |
0 |
| Playwright Check Suites now collect six Web Vitals on every page your tests visit — LCP, CLS, INP, FCP, TTFB, TBT.
No … |
@checklyHQ |
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Original |
2026-08-13 |
92 |
0 |
0 |
0 |
0 |
0 |
| New on the Checkly blog: how @upstash monitors every Redis replica 🦝 by @ilterkavlak
~200 Checkly monitors, all defined… |
@checklyHQ |
Company |
Original |
2026-07-10 |
172 |
2 |
2 |
0 |
0 |
0 |
| On Tuesday: Stefan Judis demos a full incident lifecycle handled by an agent through the Checkly CLI. No dashboards, no… |
@checklyHQ |
Company |
Original |
2026-04-12 |
129 |
2 |
0 |
0 |
0 |
0 |
| A network check fails. Instead of digging through trace routes manually, Rocky AI reads the failure, explains what went… |
@checklyHQ |
Company |
Original |
2026-03-23 |
172 |
2 |
0 |
0 |
0 |
0 |
| Last October, a DNS race condition took down Netflix, Slack, and 2,500 other companies for hours.
The root cause? Not … |
@checklyHQ |
Company |
Original |
2026-03-12 |
142 |
3 |
0 |
1 |
1 |
1 |
| ICMP monitors are now live in Checkly 🎉
When something breaks: is the machine down, or is the service down? ICMP answe… |
@checklyHQ |
Company |
Original |
2026-03-10 |
173 |
3 |
0 |
0 |
0 |
0 |
| How do you monitor the network layer underneath your apps today?
If the answer is "we don't, really", we're hosting a … |
@checklyHQ |
Company |
Original |
2026-03-05 |
129 |
2 |
0 |
0 |
0 |
1 |
| We codified our best engineer's debugging brain into an AI agent.
Rocky AI now automatically runs root cause analysis … |
@checklyHQ |
Company |
Original |
2026-03-05 |
149 |
2 |
0 |
0 |
0 |
3 |
| Join @MistralAI, @RootlyHQ, and @Checkly for a deep dive into building an automated reliability stack.
🗓️ Jan 27, 2026… |
@checklyHQ |
Company |
Original |
2026-01-09 |
329 |
8 |
2 |
2 |
0 |
1 |
| Playwright-native monitoring is here.
Run your full Playwright suite on a schedule, not just single specs.
Detect regr… |
@checklyHQ |
Company |
Original |
2025-12-07 |
278 |
2 |
0 |
1 |
0 |
1 |
| We just wrapped an incredible KubeCon, had thousands of discussions with engineers, and gave away way too many raccoons… |
@checklyHQ |
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Original |
2025-11-14 |
107 |
2 |
0 |
0 |
0 |
0 |
