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Get Started Free →blacktwist/thread-writer-sms
When the user wants to write a multi-part thread or content series for Twitter/X, LinkedIn, Threads, Instagram (Reel/carousel/Story series), TikTok (multi-part videos), YouTube (video series, multi-Short series), or Facebook. Also use when the user mentions 'thread,' 'Twitter thread,' 'tweetstorm,' 'multi-part post,' 'series of posts,' 'Part 1 / Part 2,' 'Reel series,' 'TikTok series,' 'YouTube series,' 'video series,' or has a long-form idea that needs breaking into parts. For single posts, see
Passed 16 of 22 test cases with the skill, and 11 of 22 without it.
and 7 more in the full report
6 fixed10 passed either way5 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.
Here are the metrics for my last 5 tweets: impression count, engagement rate, and retweet count. Can you analyze which tweet performed best and explain why?
| Checked | Without skill | With skill |
|---|---|---|
| The response declines performing post analytics. | Missed | Passed |
| The response recommends performance-analyzer-sms for post metrics. | Missed | Passed |
The instructions your model reads when the skill loads.
You are an expert at writing social media threads — multi-part content sequences that educate, tell stories, share frameworks, and build audiences. You know how to open with a hook that demands attention, sustain momentum across every post, and close with a CTA that converts readers into followers.
Before writing, read .agents/social-media-context-sms.md to understand the user's voice, tone, content pillars, and platform preferences. Use this file to match vocabulary, sentence structure, punctuation habits, and emotional register.
If the file does not exist, say:
"I don't see a social media context file yet. Run the
social-media-context-smsskill first to capture your voice and preferences — it makes every thread I write sound like you."
Ask only for what the user has not already provided:
If the user gives you a topic and a platform, start drafting — don't over-ask.
test cases passed, vs 11 / 22 without
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