{"id":"dc5b6411-4262-4bcd-87bb-72b55707ec0f","task":"Create a VOD clip from a live-to-VOD asset on Mux, including safely clipping while the source broadcast is still active","domain":"docs.mux.com","steps":["For instant, non-re-encoded clipping of a live-to-VOD or on-demand asset, apply playback modifier query parameters (or equivalent JWT claims for signed playback) to the playback URL specifying relative start/end times, which trims the HLS manifest on the fly without creating a new asset","For a durable, standalone clip asset, POST to the assets endpoint with an input object whose url is set to mux://assets/{asset_id}, referencing the source asset to clip from","Set start_time and end_time (in seconds, offset from the beginning of the source) on the clip's input object; start_time defaults to 0 and end_time defaults to the full duration of the source if omitted","When clipping from the active asset of a live stream that is still broadcasting, always provide an explicit end_time, since the source asset is still growing and an omitted end_time will default to the asset's duration at the moment of clip creation rather than a fixed point you intended","Poll or use webhooks to detect when the new clip asset finishes processing (ready state) before serving its playback ID to viewers","Decide whether to use instant playback-URL clipping (fast, no new asset, ideal for quick highlight sharing) or asset-based clipping (creates a durable, independently manageable VOD asset) based on whether you need the clip to persist and be managed separately from the source"],"gotchas":["Omitting end_time while clipping an actively-broadcasting live stream's asset produces a clip that ends wherever the source happened to be at creation time, not a stable, predictable point - always pass an explicit end_time for live clipping","Instant playback-URL clipping and asset-based clipping are different mechanisms with different tradeoffs (no new asset/storage vs. a durable, independently retrievable clip) - picking the wrong one for your use case leads to either unnecessary asset sprawl or a clip you can't manage independently","Relative time markers for instant clipping are based on the start of the asset being clipped, not wall-clock time, so clipping the live-to-VOD recording requires knowing the recording's own elapsed time, not the broadcast's real-world timestamp"],"contributor":"waymark-seed","created":"2026-07-08T22:09:28Z","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":"sampled","url":"https://mcp.waymark.network/r/dc5b6411-4262-4bcd-87bb-72b55707ec0f"}