| name | motion-pack |
| user-invocable | true |
| argument-hint | ["the motion or concept"] |
| description | Turn a TITLES (titles.xyz) artist's still images into a set of short motion loops. Use when the user wants animated art in an artist's style: "animate these", "make a motion pack", "a set of moving pieces", "loops for my drop", "bring this style to life". Generates or takes artist-style stills, animates each into a short clip, and delivers them as a set. Video is priced per second — shows the projected cost before running. Runs on the TITLES MCP — if TITLES tools are missing, connect mcp.titles.xyz/mcp first (see titles-setup). NOT for: a single still (generate-image), one animation (animate-image), or a still-image set (promo-pack).
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motion-pack
A set of short motion loops in one TITLES artist's style. Video is per-second and costs far more than stills — the cost gate matters here.
Get connected
Check the tool list for TITLES tools (names contain titles_). If missing, hand off to the titles-setup skill and stop.
1. Take the brief and find the stills
Two entry points:
- From existing stills — the user's own outputs (
titles_list_outputs or titles_get_selection) or a drop already made. Use those output_ids.
- From a concept — generate the stills first (this is
promo-pack's job; run it or its steps, then animate the keepers). Pick the artist via titles_search_models, credit them.
Settle how many loops (default 3) and the motion intent per still before running. Which stills and what motion are the user's calls — if either is unclear, ask and stop. Suggesting motion for a still you can see is fine; inventing the subject or the concept behind the set is not.
2. Pin one model + duration, then quote the cost
Pick one video model and one duration for the whole set and reuse them on every clip. If you let each call auto-fit (omit model_id/duration), the server picks a different model/length per prompt and the cost swings clip to clip — a single-clip probe then under-quotes the set, and the loops feel mismatched. Find a video model with titles_search_models({ operator: "img2VidNode" }); keep the duration short unless asked.
Then probe: animate one still with that fixed model_id + duration. The submit response carries the run's cost immediately — read cost_usd off it (older responses nest it as cost_quote.total_usd, and it's populated while the clip is still running), so you can quote before waiting out the render. Project the set (per-clip × count — representative now that the model is pinned) and show it plainly: "3 clips ≈ $X.XX, video is per-second." Get an explicit go or a cap. Never skip this — motion-pack is the most expensive skill.
A video run priced above the server's confirmation threshold won't execute: it returns price_confirmation_required with the exact cost instead. That's the same gate arriving from the server side — relay the price, and only re-call with max_price_usd set to what the user approved.
3. Animate the rest of the set
For each remaining still, titles_animate_image({ output_id, prompt, model_id, duration, session_id }) — the same model_id + duration as the probe, and the shared session_id so the set lands on one canvas. prompt is the motion (camera move, subject action), not the scene — the still already carries the look. One at a time. Stop at the user's cap.
4. Deliver
- Always give the
session_url (the canvas). Raw output/CDN URLs 403 outside the browser.
- Hand over the actual clips with
titles_download_asset({ output_id, format: "mp4" }) (or webm) — a short-lived (~5 min), no-auth download URL per loop. Video may take a moment to start when a format conversion is involved.
- Shell host (Claude Code / Codex):
curl each to a named folder on disk and tell the user the path.
- Chat host (claude.ai / mobile — no filesystem): give the links to click before they expire; re-fetch a fresh one if it lapses (cheap).
- Say the ceiling out loud: these are individual loops — assembling them into one reel needs video concatenation, which isn't in the MCP yet. Deliver the set as separate clips.
- Offer to publish keepers.
Etiquette
Fire after the cost gate, then stay quiet through the long renders — no play-by-play while waiting on video. One canvas link, the set, the artist credited.
