Offload provides a parallel test runner that distributes test execution across sandboxes (local processes or remote Modal environments). This skill teaches how to invoke Offload, read run summaries and logs, debug failures, and tune retry/config groups for flaky tests. Concrete examples cover calling existing project wrappers, using offload run with common flags, and fallbacks when sandboxes are unavailable.
Use this skill when running integration or end-to-end suites, when total test runtime is large (>~2 minutes), when multiple contributors compete for local CPU, or when a repository contains offload.toml or offload invocations in build scripts. Avoid for single-test TDD loops or when tests rely on local-only hardware.
offload run, offload logs, offload collect, config group examples for retries, and common failure patterns and fixes.Best used by code-capable assistants (Copilot/Codex/Gemini/Claude Code) that can edit configs and suggest CLI invocations or CI changes.
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