Your Modal functions fail quietly. Polylane notices, investigates, and tells you why.
Polylane puts the whole workspace in one graph and notices when a function starts behaving differently from its own history.
Get started for freeEverything Polylane picks up.
Every Modal resource that joins your graph.
Environment App Function Class Sandbox Image Volume Secret Queue Dict Compute that vanishes, history that doesn't.
Apps, functions and queues, side by side
Environments, apps, functions, classes, images, sandboxes, volumes, secrets, queues and dicts land in the graph with where they were deployed from and their history. Containers that vanish in seconds still leave a trail.
Endpoints linked to their callers
Polylane spots modal.run URLs in environment variables across your other clouds, so a service calling a Modal web endpoint shows up connected to it, not just in someone's head.
The failure signal Modal does have
Modal reports no error rate, and code that raises still exits as a success. So Polylane watches how much each recently active app writes to stderr, against how that app normally behaves.
Spend, watched by the hour
Polylane adds up metered spend across the workspace every hour and judges it against normal. A looping function or a container that never exits shows up long before the invoice does.
Cold starts and backlogs
Polylane watches sandbox startup time and queue depth against the workspace's own recent history. When producers outpace consumers, you find out before the backlog does the telling.
Credentials kept out of reach
Modal connects with a workspace token: an ID and a secret from your Modal settings. Both are encrypted before they're stored and stay out of every agent's reach.
These prompts already work. Copy one, swap your own service name in, and run it.
Give it to your coding agent and let it cook.
Every prompt
Use Modal with any coding agent. Polylane connects them.
Connect your agent to Polylane once and it can query Modal alongside the rest of your stack.
Guides and fixes for Modal
Common questions.
Is Polylane an AI SRE for Modal?
It does that work; we call it self-operating software. Polylane keeps your apps, functions, sandboxes and queues in one graph, investigates what breaks and fixes it with your approval.
How does Polylane connect to my Modal workspace?
With a Modal API token from your workspace settings: paste the token ID and secret. Both are encrypted before they're stored, and no agent ever sees them.
What Modal resources does Polylane sync?
Environments, apps, functions, classes, images, sandboxes, volumes, secrets, queues and dicts, each with its connections and history in the graph. The full list is on this page.
Can Polylane change my Modal apps?
Polylane investigates and tells you what it found. Code fixes go to the repo behind the app, and any write waits for your go-ahead unless you've allowed it ahead of time.
How does detection work without alert rules?
Polylane watches what Modal actually exposes, against the workspace's own history: stderr volume, spend per hour, sandbox startup time and queue depth. Modal doesn't expose error rates or GPU metrics.
Does it work with my observability provider?
Yes: Datadog, Sentry, Honeycomb, Axiom, Grafana Cloud, Logfire, Better Stack and OpenStatus. Forward their alerts and Polylane triages each one.
What does it cost?
There's a free plan, and paid plans start at $80 a month. On Scale and above you can switch on pay-as-you-go beyond the included credits. Every limit is published at polylane.com/pricing.