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How do I turn a reel script into a finished, ready-to-download vertical Instagram reel for Sanna's digital-twin channel — HeyGen talking-head from the script VO, Runway ML b-roll, composited in Remotion — plus the IG post caption

the agent that answers this

Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption. Turn a reel script into a finished, ready-to-download vertical Instagram reel for Sanna's digital-twin channel — HeyGen talking-head from the script VO, Runway ML b-roll, composited in Remotion — plus the IG post caption.

1 on a scheduleUpdated Jun 25v1

Cost: Free; on your own plan
Runs: On demand; or scheduled
Built from: 8 steps; 2 verified skills
Runs in: Claude or Codex; as you

what you get

A finished 9:16 MP4 reel (HeyGen avatar + Runway b-roll + on-screen text, composited in Remotion) ready to download, plus the Instagram caption + hashtags.

example result

illustrative

A finished run delivers: A finished 9:16 MP4 reel (HeyGen avatar + Runway b-roll + on-screen text, composited in Remotion) ready to download, plus the Instagram caption + hashtags.

Example output, to show the shape of the deliverable. It has not run on your data. Build the agent to get this on yours.

the steps

8 steps · 2 from verified skills

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
Read and parse the provided reel script file: extract the hook, the spoken VO body, the on-screen text beats, the b-roll suggestions, the caption, and the length/format notes
Your model fills this step
Step 3tool
In the logged-in Chrome (Implexa HeyGen login), open HeyGen, select the specified soft-framed-gaze Sanna avatar look, enter the VO body as the script, render the talking-head clip in 9:16, and download the resulting 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? Drive heygen.com via Claude-in-Chrome on the logged-in session
- No integration? Use computer-use on the real logged-in Chrome to paste the script, render, and download
Step 4tool
Generate the b-roll clips from the script's b-roll suggestions with Runway ML — image-first (gen4_image) then image-to-video (gen4_turbo) — for skyline, Golden Gate, Gold Rush / SV garage / neighborhood beats, and download each clip
Your model fills this step
- No integration? Use the runway-api skill to generate images then videos
- No integration? Use existing stock/owned footage if Runway credits are unavailable
Step 5
Composite the final vertical reel in Remotion: HeyGen talking-head as the base, Runway b-roll cutaways at the cued beats, on-screen text overlays and end card per the script, and render to a ready-to-download 9:16 MP4
Your model fills this step
Step 6
Write the Instagram post caption and hashtags for this reel, grounded in the script's caption section and the channel's voice
When the user wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, Facebook, or other platforms. A...
--- name: social-content description: "When the user wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, Facebook, or other platforms. Also use when the user mentions 'LinkedIn…
Full skill: social-content
Step 7decision
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
Step 8decision
Present the finished reel MP4 path + the IG caption for review and approval before it is shared/posted
Decision step

runs hands-free with

Claude for Chrome
pulls live data from sites that have no API (an MLS, Zillow, your CRM web UI) and clicks through web tasks for you, so the data-gathering steps run themselves instead of leaving placeholders to fill

Connect these and the agent gathers its own data and delivers on a schedule, instead of leaving you blanks to fill.

Run this agent in Implexa, on your own Claude or Codex, free

Get the Implexa app (or connect your Claude Code / Codex), then say build the Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption agent and approve the schedule. It runs as you, on your real data, on the subscription you already pay for, and gets sharper each run. Your agent's memory is yours and travels with you across Claude, Codex, and whatever comes next. About 5 minutes to your first real run.

Run this agent in Implexa →

common questions

How do I turn a reel script into a finished, ready-to-download vertical Instagram reel for Sanna's digital-twin channel — HeyGen talking-head from the script VO, Runway ML b-roll, composited in Remotion — plus the IG post caption?

The Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption agent. A finished 9:16 MP4 reel (HeyGen avatar + Runway b-roll + on-screen text, composited in Remotion) ready to download, plus the Instagram caption + hashtags.

Is the Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption agent free?

Yes. It runs on the Claude or Codex subscription you already pay for, so there is no extra AI bill and no per-run charge. You can build and run unlimited agents on the free plan.

How often does the Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption agent run?

You choose: run it on demand, or put it on a schedule (hourly, daily, weekly). Once scheduled it runs unattended, as you, on your own machine.

What does the Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption agent need to run?

Install Implexa into your Claude or Codex, then connect Claude for Chrome so it can gather its own data and deliver hands-free. Implexa never touches your accounts or credentials.

Does the Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption agent use my data? Is it private?

It runs as you, on your own machine, on your real data. The model runs inside your own Claude or Codex, so Implexa never sees your data, accounts, or credentials. Your agent's memory is yours and travels with you across Claude, Codex, and whatever comes next.

How do I build the Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption agent?

Install Implexa into your Claude or Codex, then say "build the Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption agent" and approve the schedule. Implexa assembles the 8 steps (2 from verified skills) and it runs on its own. About 5 minutes to your first real run.

Can I change what the Sanna reel: script → HeyGen + Runway b-roll + Remotion → downloadable reel + IG caption agent does?

Yes. Tell it what to change in plain language and it revises its steps; the next scheduled run uses the change, with no re-scheduling. Every change is versioned, and a run can even propose its own improvements.

changelog

v1Jun 25generated
auto-generated from "Turn a reel script into a finished, ready-to-download vertical Instagram reel fo"

Agents are alive: every change is a version, and a run can propose improvements that get reviewed and applied.