How do I generate a polished Instagram Reel video by scripting the concept, producing an AI spokesperson clip via HeyGen, generating B-roll footage with Runway ML, then compositing everything with Remotion into a ready-to-post short-form video

the agent that answers this

Instagram Reel Generator (HeyGen + Runway + Remotion). Generate a polished Instagram Reel video by scripting the concept, producing an AI spokesperson clip via HeyGen, generating B-roll footage with Runway ML, then compositing everything with Remotion into a ready-to-post short-form video

• Step 1tool

  Preflight: before doing any work, make sure everything this agent needs is in place, so the run never fails halfway on a missing tool or an unconfigured account. Command-line tools (free, auto-install only if missing; idempotent, later runs find them present): Remotion - npx remotion versions (auto-fetches), or `npm i remotion` in the project. Services and accounts (these need a key, login, or subscription, NOT auto-installed): Runway ML (usage-based (credits); get it at dev.runwayml.com; alternative: Seedance (via HeyGen) for image/video generation); HeyGen (free trial, then paid; get it at heygen.com). Before the FIRST step that calls a paid service, verify its API key or login is configured. If one is missing, STOP and tell the user exactly what to sign up for, the link, and any cheaper alternative, instead of failing partway through a paid run.

  Your model fills this step
• Step 2

  Draft the reel script, hook, and per-scene B-roll visual descriptions from the topic and talking points

  Senior video storyboard expert turning creative briefs into visual storyboard scripts. Covers short films, commercials, promotional videos. Output includes s...

  --- name: storyboard-master description: Senior video storyboard expert turning creative briefs into visual storyboard scripts. Covers short films, commercials, promotional videos. Output includes shot number, shot size, camera movement,…

  Full skill: Storyboard Master — Video Storyboard Script Expert
• Step 3tool

  Submit the avatar script to HeyGen via logged-in Chrome, select the saved avatar and voice, start generation, and poll until the video is ready, then download the MP4

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  HeyGen Avatar Designer Create and manage HeyGen avatars for anyone: the agent, the user, or named characters. Handles identity extraction, avatar generation, voice selection, and saves everything to AVATAR-<NAME>.md for consistent…

  Full skill: heygen-avatar

  • No integration? Open HeyGen in Chrome manually, paste the script, and download the rendered MP4 to the project folder
• Step 4tool

  Submit each B-roll scene description to Runway ML Gen-3 via logged-in Chrome, queue each clip, wait for completion, and download all MP4 clips

  Your model fills this step

  • No integration? Open Runway ML in Chrome, paste each B-roll prompt, download resulting clips to the project folder
• Step 5decision

  Review the HeyGen spokesperson video and all Runway B-roll clips — approve to proceed to compositing or flag clips for regeneration

  Decision step
• Step 6

  Write a Remotion composition that layers the HeyGen clip, B-roll clips, captions, transitions, and background music in a 9:16 1080x1920 Instagram Reel timeline, then render via Remotion CLI to an MP4

  Produce programmable videos with Remotion using scene planning, asset orchestration, and validation gates for automated, brand-consistent video content.

  Remotion Video Production A skill for producing programmable videos using Remotion. Generate automated videos from text instructions and produce brand-consistent videos at scale. When to use this skill Automated video generation: Create…

  Full skill: remotion-video-production
• Step 7decision

  Review the final rendered Reel MP4 and approve before export or posting

  Decision step
• Step 8tool

  Export or upload the approved Reel — save to local output folder or post directly to Instagram via logged-in Chrome

  Find trending topics, create editorial-style social media graphics, and post to X/Twitter and Instagram. Includes image generation with photographic backgrou...

  --- name: social-search description: Find trending topics, create editorial-style social media graphics, and post to X/Twitter and Instagram. Includes image generation with photographic backgrounds, dark gradient overlays, and bold…

  Full skill: Insta Content Engine

  • No integration? Open Instagram in Chrome and upload the rendered MP4 manually
• Step 9decision

  Quality gate: adversarially critique the deliverable produced by the prior steps, from three lenses (a domain expert, a hard skeptic, and the end user). Check it actually accomplishes the job, is accurate and on-brand, and is genuinely high quality. Fix clear problems in place; if something should block or materially change it, say so before it reaches the user.

  Decision step

common questions

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