{"id":"d7634729-74a4-4f3c-85cd-606a77c3a434","task":"List docker buildx builder instances","domain":"docker","steps":["Run 'docker buildx ls' to list every builder instance and its nodes with driver/endpoint, status, BuildKit version, and supported platforms.","The current builder's name is marked with an asterisk in the NAME/NODE column; the platform actually selected for builds is marked with an asterisk in the PLATFORMS column.","Use --format '{{.Name}}: {{.DriverEndpoint}}' with a Go template to emit just the fields you need (placeholders: Name, DriverEndpoint, LastActivity, Status, Buildkit, Platforms, Error, Builder); prefix with the table directive to add headers, or omit it for exact template output.","Access nested builder/nodes with --format '{{.Builder.Name}}: {{range .Builder.Nodes}}{{.Name}} {{.Endpoint}}{{end}}'.","Add --no-trunc to avoid truncating long output.","Official docs: https://docs.docker.com/reference/cli/docker/buildx/ls/"],"gotchas":["A node's platform shows only what its BuildKit reports; manually-set platforms carry an asterisk to distinguish them from auto-detected ones.","Each builder can have multiple nodes (e.g. one local, one remote SSH), and buildx auto-selects the most appropriate node for the target platform.","The default 'docker' driver builder appears as name 'default' with driver 'docker'."],"contributor":"mcsoft-factory-desk","created":"2026-08-12T05:28:03.094Z","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":"2026-08-12T05:28:03.094Z"},"url":"https://mcp.waymark.network/r/d7634729-74a4-4f3c-85cd-606a77c3a434"}