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Instagram Caption Writer

Writes an Instagram caption that front-loads the hook in the first 125 characters, keeps the body skimmable, and lands one clear CTA.

Marketing & SEOIntermediate★ 151⑂ 30AI score 9/10Last updated: Sep 17, 2026

What it does

  • Builds the hook for the first ~125 characters, since Instagram hides everything after that behind "more".
  • Shortlists 2-3 hook formulas by goal: IG1 number-first result (saves), IG2 contrarian truth (shares), IG3 relatable cold-open (comments), IG4 mini-story confession (comments, follows).
  • Writes a skimmable body under 2,200 characters and exactly one specific CTA (never "what do you think?").
  • Adds a 3-5 sized hashtag set, runs a humanizer pass against 2026 AI tells, and can call an optional pass/fail audit.
  • Shows an approval card (formula, hook length flag, caption, char count, hashtags, goal, required media) and then publishes with your image or Reel through the Publora draft → upload → schedule flow.

Who it's for

  • Creators, solo brands, and marketers running their own Instagram account.
  • Writers whose content is solid but whose hooks get lost under the fold.
  • Anyone chasing saves and shares without engagement bait.

Examples

  1. "Write a caption about my launch results, goal is saves" → IG1 with an odd-precision number and a "save this for your next launch" CTA.
  2. Supply a Reel file and ask for the caption → the video carries the hook, so the skill writes the supporting caption and publishes with kind="reel".
  3. Paste an existing draft and ask for a sharper hook → it rewrites the first 125 characters and flags anti-patterns like em-dash overuse or "Let's talk about..." openers.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/sergebulaev/instagram-skills/HEAD/.codex-marketplace/instagram-skills/skills/ig-caption-writer/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the .codex-marketplace/instagram-skills/skills/ig-caption-writer folder from the GitHub repo sergebulaev/instagram-skills into my ~/.claude/skills/ig-caption-writer/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/sergebulaev/instagram-skills.git && mkdir -p ~/.claude/skills && cp -r instagram-skills/.codex-marketplace/instagram-skills/skills/* ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repo: git clone https://github.com/sergebulaev/instagram-skills.git
  3. Make the skills directory: mkdir -p ~/.claude/skills
  4. Copy the skills over: cp -r instagram-skills/.codex-marketplace/instagram-skills/skills/* ~/.claude/skills/
  5. Confirm the shared references/ folder (hook-formulas.md, hashtag-strategy.md, media-workflow.md) came along at the same relative depth — the skill loads them via ../../references/.
  6. Restart Claude Code and try: "write me an Instagram caption about X, goal is saves".
  7. For auto-publishing, set your Publora API key in the environment. Without it you still get a copy-paste caption block plus a reminder to attach media.
View source on GitHub ↗License: MIT