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watermark

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UpdatedJune 19, 2026 at 23:33

Overlay the persistent @C0BALT_CUT channel watermark at the BOTTOM of a finished short — the vertical opposite of source-credit's top banner. Renders the handle as a transparent PNG via PIL (Impact, Platinum

Installation

Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.

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Source

jperrello

jperrello/C0BALT_CUT

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Based on SOC occupation classification

Film and Video EditorsArts, Design, Entertainment, Sports, and Media Occupations·SOC 27-4032

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3 files

SKILL.md

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name	watermark
description	Overlay the persistent @C0BALT_CUT channel watermark at the BOTTOM of a finished short — the vertical opposite of source-credit's top banner. Renders the handle as a transparent PNG via PIL (Impact, Platinum
allowed-tools	Bash
user-invocable	true

watermark

Persistent channel branding. "@C0BALT_CUT" in Impact at ~2% of frame height, Platinum white with the 0 in Sapphire Glow (brand/BRAND.md palette), thin black stroke, semi-transparent (alpha ≈200) so it reads without competing with captions. Same renderer pattern as source-credit (PIL PNG, ffmpeg overlay) because the local ffmpeg has no libass/drawtext.

Invoke

.claude/skills/watermark/watermark.sh <input> <out>

input: video to overlay onto (any aspect ratio; designed for 1080x1920)
out: output mp4

Output

mp4, same dimensions and duration as the input, video re-encoded, audio stream-copied. Cache: skip rebuild when out is newer than input. Prints the output path to stdout.

Geometry

Mark is bottom-anchored at y = 97.5% of frame height, centered horizontally — for a 1080x1920 short the text baseline sits around y=1830. Captions live in the lower third (≈y=1344) and the source credit is a top chyron (y≈77), so the mark collides with neither. The CTA overlay (last ~4s) composites AFTER this skill in the chain, so it covers the mark briefly — intended, the CTA is the louder ask.

More from this repository

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title-transition

jperrello/C0BALT_CUT

Animate the title as a COLD OPEN in the TOP banner over the live opening footage — no blocking center card — held until TITLE_SWAP (default 2.0s) so brand-overlays can hand off to the source citation in the same slot. Frame 1 stays content (a face mid-sentence) to protect the swipe-rate / "Stayed to Watch" signal. ONE animation for every short — the glitch style (RGB-split banner + scanline tear, style-matched zap/crackle SFX) — a PIL frame sequence anchored at TITLE_ANCHOR_FRAC (default 0.135).

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generate-title

jperrello/C0BALT_CUT

Generate a per-clip third-person engagement-driven title card text. Claude reads the clip's transcript, the source ingest.json metadata, and (optionally) pick-segments' per-span judgment (topic, rationale, suggested title) so it reads the speaker's register — sincere vs ironic vs joking — before titling. Emits a hook-driven ALL-CAPS title (<=7 words).

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grade-clip

jperrello/C0BALT_CUT

Per-clip upload-readiness grade (0-99) read off a FINISHED .mp4 plus its persisted sidecar plans — the first skill that inspects a delivered pixel-level artifact, the on-disk proxy for YouTube's VVSA swipe gate. Deterministic retention-proxy floor (frame1_is_face, letterbox_bars, credit_lit_at_open, first_visual_change, first_payoff_offset, longest_static_gap, opening_caption_words, max_residual_silence, terminal_loop_score) with hard caps (letterbox / face_withheld / credit_at_open / blocking_card / dead_tail) that cap grade≤40, plus ONE batched Claude rubric call (hook↔payoff / open-loop / cold-context) skipped when GRADE_SKIP_CLAUDE=1. Runs at the END of the per-span chain (after save-local) AND standalone over the whole output/ backlog (--backlog → output/_triage.json). Emits clip_NN.grade.json per the locked SELECTION-SUITE-CONTRACT schema. Idempotent (.gcmeta), non-fatal (any error → DROSS/empty, exit 0).

2026-07-142

broll-pick

jperrello/C0BALT_CUT

Claude picks CONTEXTUAL/scene-level anchors from a clip transcript (literal objects, establishing shots, evocative concept footage matched to the story's tone — not just keyword nouns) and sources full-bleed B-roll cutaways via keyless yt-dlp YouTube search + mcptube frame-sampling + Claude vision verify. The verify step gets the spoken context and rejects literal-but-wrong matches (e.g. a cat laser toy for a tense "red dot" beat). Aims dense (8-12 windows, targeting cutaway footage on ~60%+ of the runtime; emits cutaway_coverage in the plan and WARNs below BROLL_MIN_COVER, default 0.6). Emits broll_plan.json with per-cutaway placement [t0,t1] and source metadata; clip files are namespaced per-clip. Windows snap to whole chunk-captions boundaries; vision calls capped by BROLL_VISION_CAP (default 16).

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pick-segments

jperrello/C0BALT_CUT

Pick N clip-worthy spans from a transcript. Claude reads the full transcript plus a per-second RMS energy summary and returns the most engaging time ranges for shorts. The atomic unit of a short is ONE IDEA, not one topic — each span carries `cuts` (1-3 non-contiguous source ranges assembled into one flowing story) plus `idea` (the one-sentence throughline all cuts share). A multi-cut span may pull cuts from DIFFERENT topics when they develop the same single idea; a single-cut span must stay within one topic and is just `cuts:[[t0,t1]]`. A 1-second SPOKEN hook is mandatory (no title card rescues a slow open — picks under PICK_HOOK_FLOOR are dropped). Replaces the old keyword/hook-word heuristic ranker.

2026-07-102

scout-sources

jperrello/C0BALT_CUT

Deterministic source-video discovery — the clip-channel "outlier" method, keyless. Searches seed niche queries via yt-dlp ytsearch, prefilters to long-form candidates, fetches full metadata, and ranks by outlier score (views/day velocity, views-per-subscriber ratio, comment engagement, replay-heatmap peakiness). Emits a ranked candidates.json to pick the next pipeline source from. No Claude call, no API key.

2026-07-102

name	watermark
description	Overlay the persistent @C0BALT_CUT channel watermark at the BOTTOM of a finished short — the vertical opposite of source-credit's top banner. Renders the handle as a transparent PNG via PIL (Impact, Platinum
allowed-tools	Bash
user-invocable	true

watermark

Invoke

.claude/skills/watermark/watermark.sh <input> <out>

input: video to overlay onto (any aspect ratio; designed for 1080x1920)
out: output mp4

Output

mp4, same dimensions and duration as the input, video re-encoded, audio stream-copied. Cache: skip rebuild when out is newer than input. Prints the output path to stdout.