Disposable Linux environments
Launch a disposable Linux environment for an app test, then upload local files, install dependencies, run the app, and drive it from the browser.
TryCase
TryCase provides disposable Linux environments for LLMs and coding agents to run apps, verify changes, and return screenshots, recordings, logs, and artifacts. It supports headless and desktop workflows through a CLI-driven process.
Disposable test environments for LLMs
TryCase is a developer tool for running apps inside disposable Linux environments and returning proof of what happened. The site positions it for LLMs and coding agents that need to test changes, verify flows, and report evidence instead of asking a human to reproduce the issue.
The product centers on an upload-first workflow: create or launch an environment, upload the current codebase, run the app or checks, drive the browser, and collect screenshots, recordings, logs, and artifacts. The docs also describe a retest loop for repeating the same check after fixes, and a desktop mode for tasks that need a visible Linux desktop or manual user interaction.
Pricing is organized around an active organization with credit-based usage, multiple environment sizes, and headless or desktop billing rates. The pricing page also notes that environments are billable while active and should be destroyed when the task is complete.
Core capabilities
Terminal and browser control
Use the browser, terminal, filesystem, and environment commands to check app behavior from setup through verification.
Verification evidence
Collect screenshots, recordings, logs, and artifact bundles as proof of what happened in the environment.
Retest after changes
Run a check again after a fix and iterate until the result passes, which the homepage illustrates with an env.retest loop.
Headless and desktop modes
Choose between headless and desktop modes, with the docs describing desktop mode for visible Linux desktops and manual user steps.
Configurable projects
Create projects with source, mode, size, runtime settings, and secrets so the environment matches the workload you want to test.
Common ways teams use TryCase
Verify a feature change
Have an agent run the app after a code change, click through the flow, and return proof of whether the change worked.
Reproduce and confirm a fix
Recreate a bug inside the same disposable environment, fix it, rerun the same steps, and compare before/after evidence.
Review a branch end to end
Use the environment to inspect a branch like a user would and capture screenshots or recordings when something breaks.
Pre-release QA
Run login, the main flow, mobile layout, or error-state checks before shipping and keep only the issues plus proof of passing steps.
Handle manual or desktop-bound steps
Use desktop mode when a task needs a visible Linux desktop, browser control, or a manual step such as OAuth, CAPTCHA, 2FA, or payment confirmation.
Pros and Cons
Pros
- Returns concrete proof such as screenshots, recordings, logs, and artifacts.
- Supports both headless and visible desktop workflows.
- Lets users upload a local project and test it in a disposable Linux environment.
- Includes retest and iteration flow for fixing and checking the same issue again.
- Pricing and usage are documented with environment sizes, credit rates, and organization scoping.
Cons
- The reviewed pages do not provide a full compatibility matrix for frameworks, languages, browsers, or CI/CD integrations.
- Several implementation details are only shown in example commands, so some workflow specifics may still require reading the CLI docs before first use.
- Desktop mode is positioned for manual or visible-desktop tasks, but the source does not spell out every browser or desktop limitation.
FAQ
How does TryCase typically fit into a workflow?
TryCase is designed around an upload-first workflow. The docs describe installing the skills, signing in, creating a No Source headless project, uploading the current directory, then letting the agent run checks and return proof.
When should I use headless mode versus desktop mode?
The docs describe headless mode as the default CLI and LLM mode. They also describe desktop mode for tasks that need a visible Linux desktop, desktop apps, mouse and keyboard control, clipboard access, or manual steps such as login, OAuth consent, CAPTCHA, passkey, 2FA/OTP, payment confirmation, or browser extension approval.
What proof or outputs can TryCase return?
The source shows TryCase returning screenshots, recordings, logs, and artifacts. The docs also mention browser screenshots, browser recordings, artifact bundles, and logs from the environment.
Can plans or credits be moved between workspaces?
The pricing page says plans and credits are scoped to the active organization and cannot be moved to another workspace. The docs also say environments should be destroyed when the task is done to stop billing.
What integrations or platforms are officially documented?
The docs and pricing page point to the CLI and browser-based sign-in flow. They do not provide a full compatibility matrix for languages, frameworks, or CI/CD systems on the pages reviewed.
Quick Facts
- Category
- Developer Tool
- Primary use
- Disposable Linux environments for app verification
- Interface
- CLI and browser-based sign-in/workflow
- Modes
- Headless and desktop
- Outputs
- Screenshots, recordings, logs, artifacts
- Pricing model
- Credit-based plans and per-hour compute rates
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