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Agent skill · Audited from source

Thread Writer Sms

skill · blacktwist/social-media-skillsMIT licenceAudited 19 Oct 2026 · source c4808127928a

★ 577pushed 171 days agoversion 1.3.0
✓SAFEGrade B · 89/100 · 19 Oct 2026 · c480812
577repo stars · whole blacktwist/social-media-skills

Is it safe? Yes — SAFE, grade B (89/100). We read this skill's source at commit c4808127928a and found no filesystem, network or shell access and no hard-coded secrets. What it does: 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…

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Cite this page

ModelsAtlas. “Thread Writer Sms (blacktwist/social-media-skills)”. Retrieved 19 Oct 2026. https://modelsatlas.com/skills/blacktwist/thread-writer-sms

Trust audit

Audit 0.4.1 · source read 19 Oct 2026

Trust score89/100✓SAFE B
0 critical0 high0 medium0 low0 info

SAFE means nothing in the source contradicts what the skill says it does. Grade B is shared by 16,667 of 17,602 audited skills.

What the source does

  • FilesystemNone observedNo reads or writes in the source
  • NetworkNone observedNo outbound calls in the source
  • ShellNone observedNo commands run in the source
  • DependenciesPinnedNothing floats
  • SecretsNone foundNo keys in source

Five audit layers

LayerWhat we checkResultFindings
L0 ProvenanceRepo owner, licence, archive status, activityPASS0
L1 Static sourceSecrets, path traversal, supply chain, hidden codeNA0
L2 InstructionsPrompt injection, authority framing, hidden directivesPASS0
L3 InventoryThe files and declarations match the sourcePASS0
L4 SandboxRun in isolation and watch behaviourSKIPPED why0

Gates applied: no behavioural pass.

Findings (0)

No findings at any severity. We re-audit when the source changes.

Audit 0.4.1 · source sha c4808127928a · 19 Oct 2026Report an issue or request a re-scan

Provenance

Who published it, and what the verdict is pinned to

  • Publisherblacktwist GitHub organizationOwner of the repository this skill is read from
  • Source folderblacktwist/social-media-skills/skills/thread-writer-smsThe exact folder we audited
  • LicenceMITAs the repository states it
  • Commit pinned for this verdictc4808127928aA new audit runs when the source changes
  • Repository statusNot archivedLast push 171 days ago
  • Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

What it tells the agent

Full source on GitHub ↗

Its description: 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…

---
name: thread-writer-sms
description: "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 post-writer-sms. For carousels, see carousel-writer-sms."
metadata:
  version: 1.3.0
---

# Thread Writer

## When to Use

- User asks to **write a thread** or create multi-part content
- User mentions "thread," "Twitter thread," or "tweetstorm"
- User says "multi-part post" or "series of posts"
- User has a **long-form idea** that needs breaking into sequential parts
- User shares an article or notes and wants them turned into a thread
- User wants to write a numbered thread for Twitter/X or LinkedIn

## Role

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.

## Context Check

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-sms` skill first to capture your voice and preferences — it makes every thread I write sound like you."

---

## Input Gathering

Ask only for what the user has not already provided:

- **Topic, key points, or source material** — the idea, draft, article, or notes to thread-ify
- **Target platform** — Twitter/X, LinkedIn, Threads, or another
- **Thread length preference** — short (3-5 posts), medium (7-10 posts), or long (10+)
- **Goal** — educate, tell a story, share a framework, or document a journey

If the user gives you a topic and a platform, start drafting — don't over-ask.

---

## Thread Architecture

Every thread has three distinct zones: the **hook**, the **body**, and the **closer**.

### Post 1 — Hook

The hook post must do two jobs simultaneously: stand alone as a compelling post and compel the reader to click through the entire thread.

> **Always use the `hook-writer-sms` skill to write the first post.** Do not draft the first post freehand. Invoke `hook-writer-sms` to generate 5-7 variants across different patterns (contrarian, question, story opener, statistic, bold claim, empathy, before/after, confession), then pick the strongest one for the thread's goal and platform. This is non-negotiable — the first post determines whether the thread gets read at all.

- **Keep it extremely short — one or two lines maximum.** A long first post kills the thread before it starts. Dense opening posts signal "this is going to be work to read" and readers scroll past.
- **Be ruthlessly specific.** Generic openers lose. Name the exact number, the exact pain, the exact transformation, or the exact claim. "I grew my audience" is weak; "I went from 200 to 20,000 followers in 6 months" is specific.
- **Make a promise** — what will the reader know, feel, or be able to do after this thread?
- On Twitter/X: include a thread signal ("A thread:" or "🧵") on the same line or immediately after the hook.
- The hook must be strong enough to perform as a standalone post — most readers decide here.

**Real-world example of a high-performing first post:**

```
50 THINGS TO DO INSTEAD OF WASTING ANOTHER YEAR (start them in April):
```

_Stats: 9K likes, 50 comments, 1.7K reposts, 1.7K shares._

Why it works:

- **One line.** No setup, no preamble — the promise lands instantly.
- **Specific number (50).** "A few things" would die; "50 things" signals scale and saves-worthiness.
- **Loss aversion.** "Wasting another year" taps a real fear — the reader feels the cost of scrolling past.
- **Urgency anchor.** "Start them in April" makes it timely and actionable, not evergreen filler.
- **Clear thread signal (1/12).** Readers know exactly how much is coming and commit to the ride.
- **All caps on the promise.** Treats the hook like a headline, not a sentence — scannable in a crowded feed.

### Body Posts

Each body post carries one idea, one example, or one step. No cramming multiple points into a single post.

- **One idea per post** — if a post needs a "and also...", split it
- **Each post stands alone** — a reader who jumps in mid-thread should follow it without context
- **Format each post for readability** — use empty lines between lines or short groups of lines to create white space. Never stack more than 2-3 lines without an empty line break. Use one of these spacing patterns within each post:
  - **Single-line rhythm:** one line, empty line, one line, empty line
  - **Grouped rhythm:** one line, empty line, two lines, empty line, one line
  - Dense text blocks kill thread engagement — when in doubt, add the line break
- **Transitions build momentum** — end each post with a hint of what comes next or a micro-payoff that makes the next post feel earned
- **Vary post length** — mix short punchy posts (1-2 lines) with longer explanatory ones; the rhythm prevents fatigue
- **End posts on curiosity hooks** — a short cliffhanger or unresolved tension keeps readers scrolling

### Final Post — Closer

The closer lands the thread and tells the reader what to do next.

- **Summarize the key takeaway** — one sentence that distills the entire thread
- **Strong CTA** — follow for more, repost the first tweet, reply with their situation, DM for a resource
- **Optional self-plug** — if relevant, mention a product, newsle

Excerpt, first 6,001 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

Install

Pinned to the audited commit c480812

Download folder ↗
git clone https://github.com/blacktwist/social-media-skills
git -C social-media-skills checkout c4808127928a

The author documents no install command, so this uses the repository directly. Our verdict covers commit c4808127928a only.

Works in

The author has not said which agents this skill supports, and we have not tested it in any.

Audit history

Every audit, every source change

  1. ✓SAFE B 89 / 100

    first audit · source c4808127928a

Audience Growth Tracker Sms✓SAFE

blacktwist/social-media-skills

When the user wants to track follower growth, understand what drives new followers, or analyze audience development. Also use when the user mentions 'follower growth,' 'followers,' 'audience growth,' 'gaining…

★ 577Grade B
Caption Writer Sms✓SAFE

blacktwist/social-media-skills

When the user wants to write a caption for a visual-first social media post on Facebook, Instagram, TikTok, Pinterest, or YouTube. Also use when the user mentions 'caption,' 'Instagram caption,' 'IG caption,' 'Reels…

★ 577Grade B
Carousel Writer Sms✓SAFE

blacktwist/social-media-skills

When the user wants to write content for a LinkedIn carousel, Instagram carousel, Facebook carousel, TikTok photo carousel, Pinterest Idea Pin, or any swipeable multi-slide format. Also use when the user mentions…

★ 577Grade B
Content Calendar Sms✓SAFE

blacktwist/social-media-skills

When the user wants to plan a posting schedule, create a content calendar, or organize when and what to post. Also use when the user mentions 'content calendar,' 'posting schedule,' 'when should I post,' 'weekly plan,'…

★ 577Grade B
Content Pattern Analyzer Sms✓SAFE

blacktwist/social-media-skills

When the user wants to find patterns in what content works and what doesn't. Also use when the user mentions 'what's working,' 'content patterns,' 'best topics,' 'best format,' 'best time to post,' 'analyze my content,'…

★ 577Grade B
Content Repurposer Sms✓SAFE

blacktwist/social-media-skills

When the user wants to turn one piece of content into multiple formats or adapt content across text-first and visual-first platforms (LinkedIn, Twitter/X, Threads, Bluesky, Facebook, Instagram, TikTok, Pinterest,…

★ 577Grade B

Questions about Thread Writer Sms

What does the Thread Writer Sms skill do?
AI agent skills for social media content strategy, creation, and analysis across text-first platforms
Is Thread Writer Sms safe to install?
The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean skill reads B.
What can Thread Writer Sms access on my machine?
The audit observed no filesystem, network or shell use at all in its source.
How current is this page?
The grade is for one exact copy of the source (c4808127928a), read on 2026-10-19. The repository is watched, and a new audit runs when it changes — this is the first audit.

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