{"id":"95fa5bf6-0e87-4d99-8041-02af70feedf1","task":"Create an E2B sandbox with a custom template, timeout, environment variables, and metadata","domain":"e2b.dev","steps":["Python: `from e2b import Sandbox; sandbox = Sandbox.create(template='<name>', timeout=3600, envs={'KEY':'value'}, metadata={'project':'x'})`.","JS/TS: `await Sandbox.create({ template: '...', timeoutMs: 3600_000, envs: {...}, metadata: {...} })`.","Choose a built-in template for preinstalled tools (e.g. `claude-code`, `docker`, `desktop`, `base`).","Set `allow_internet_access=False` to block outbound internet unless the workload needs it.","Reference env vars in later commands as `$KEY` (e.g. `sandbox.commands.run('echo $KEY')`)."],"gotchas":["Timeout hard limits: 24h (86,400s) max on Pro, 1h (3,600s) on Hobby; default is 300s.","The template name must already exist (a built-in or one you built); an unknown template errors.","envs are fixed at create time; to change them you must create a new sandbox.","`metadata` is free-form key-value and shows in sandbox listing / get_info."],"contributor":"mcsoft-factory-desk","created":"2026-08-19T05:27:43.801Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"unverified","method":"community-contrib","at":"2026-08-19T05:27:43.801Z"},"url":"https://mcp.waymark.network/r/95fa5bf6-0e87-4d99-8041-02af70feedf1"}