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Running short-lived Python jobs or sandboxes for agent-generated code.

Facts

Free allowance
$30/month compute credits
Plan limits
Starter: 100 containers · 10 GPU concurrency · 200 apps
Storage
Storage charges/quotas require checking separately; Starter includes 1 TiB/month egress
Account
Modal account; official billing docs require a payment method on file
Retention
Credits renew monthly; 1-day logs; app and sandbox data retention not separately verified
Custom domain
Custom domains not included on Starter
Password protection
Not verified in reviewed documentation
Billing
Payment method required; auto-billing beyond credits and incremental thresholds; configurable budgets
Execution
Sandboxes default to 5 minutes, configurable up to 24 hours; Starter allows 5 deployed crons

Worth knowing

Recurring compute credit, not a hard-capped free service. Configure spend budgets before unattended use. Shared Endpoints tokens are billed from the first request and do not use Starter compute credits. Sandbox sessions are bounded; storage and external model costs are separate; commercial-use terms not verified.

Reviewed 2026-10-12 from official documentation. Deployments have not been tested.

Sources

Starter pricing ↗Billing and payment methods ↗Sandboxes ↗Serverless web functions ↗
Visit Modal ↗

How we match

Choose the kind of thing you made and the features you need. The results respond to the capabilities recorded in our directory.

Each result explains its fit or mismatch. Unverified commercial-use permission is marked for a terms check. Unknown free features don’t count as confirmed fits.

Apps can run in the browser, as serverless functions, or on a persistent server. The second step changes with your choice: web pages or file links for sites and files, runtime options for apps. For agents and tools, choose an agent service, MCP server, or code sandbox. A sandbox or serverless endpoint is not a continuously running process. In each group, select several to see hosts that support any selected option. Leave them blank to explore broadly; your agent can check the runtime before publishing. Docs & media candidates also need an exact file-format and size check. Commercial mode removes records with documented personal or non-production restrictions; it does not certify permission on other hosts.

Open a host to read its limits and sources. The agent brief packages your choices and those limits into instructions you can paste into your agent. It does not publish anything.

Each record has its own review date (October 11–12, 2026); deployments, privacy, support, and uptime have not been tested. There are no paid placements or affiliate links in this edition.

Independent by PLUSDEV ↗

Your publishing brief

The thing you made, chosen host, and the checks to do before publishing. No files or credentials are included.