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Webinar Promo Copy Kit: Full Stack From One Prompt

Generate your complete webinar promo stack from one prompt: email invite, social posts, registration page headline, and reminder SMS, all in your voice.

Free template · copy-paste ready · built by the BrainVaultAI team

Promoting an event requires six to eight distinct pieces of copy, all consistent in tone but optimized for different channels. Most founders write them one at a time and end up with a disjointed campaign. This kit generates the whole stack in one pass. Fill in the event details block and Claude produces: a cold invite email, a warm list email, three social captions (short/mid/long), a registration page headline + subhead, and a day-of SMS reminder. Ready to schedule. ### How to use

Paste the Event Details block into Claude, then paste the Promo Stack prompt directly after it. Edit any piece that doesn't sound like you. The JSON structure at the end makes it easy to drop into a spreadsheet or scheduling tool. Works for webinars, workshops, podcasts, AMAs, product demos, and in-person events.

Event Details Block (fill this in first)
EVENT DETAILS, fill in before running the prompt below: Event name: [NAME]
Date & time (with timezone): [DATE/TIME]
Format: [webinar / in-person / hybrid]
Registration link: [URL]
Who it's for: [AUDIENCE, specific role and problem]
What they'll leave with (3 bullets):
- [OUTCOME 1]
- [OUTCOME 2]
- [OUTCOME 3]
Speaker(s): [NAMES + one-line credential each]
Price: [free / $X]
Seats / scarcity: [limited seats / open / waitlist]
Promo Stack Prompt
Using the event details above, write the following promo assets. Tone: direct, no hype, founder-to-founder. No exclamation marks unless in the SMS. 1. Cold invite email (subject line + 150-word body, CTA to register)
2. Warm list email for existing subscribers (subject + 120-word body, assumes they know me)
3. LinkedIn post, short version (under 150 words, hook in first line, no hashtag spam)
4. LinkedIn post, long version (250-300 words, story format, one insight from the event topic)
5. Instagram/X caption (80 words max, punchy)
6. Registration page headline (10 words max) + subhead (25 words max)
7. Day-of SMS reminder (under 160 characters, include link) Return each asset labeled and separated by ---

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