Skills for Real Engineers. Straight from my .agents directory.
x-longform-post
Agent skill fromericosiu/ai-marketing-skills
Write long-form X (Twitter) posts and threads in a founder/CEO voice. Use when drafting X articles, long tweets, thought leadership threads, or viral content. Produces contrarian, data-backed posts with ASCII diagrams and code block visuals. Includes mandatory AI humanizer pass (24-pattern detector) before finalizing.
How to install x-longform-post
npx skills add ericosiu/ai-marketing-skills# or add only this skill to Claude Code: copy the folder
x-longform-post/
# into
~/.claude/skills/x-longform-post/ (all projects)
.claude/skills/x-longform-post/ (one project)
1# X Long-Form Post Writer23Write posts for X in your founder/CEO's authentic voice. Every post should feel like a real person wrote it — not a content team, not a bot.45See `references/founder-voice.md` for the founder voice template. Customize it with your founder's real patterns.67---89## Voice Rules1011- Simple declarative sentences. Short paragraphs.12- Contrarian angles backed by specific numbers and real examples.13- No corporate speak. No "I'm excited to share." No emoji in body text.14- Open with a hook that stops the scroll — contrarian claim, surprising number, or uncomfortable truth.15- End with a payoff: uncomfortable truth → "worth it" resolution.1617---1819## Structure20211. **Hook** (1-2 lines) — Contrarian claim or surprising stat222. **Setup** (2-3 lines) — Establish credibility/context fast233. **Sections** — Each follows: problem → what actually happened → fix/lesson244. **ASCII diagram** — At least one per post (see below)255. **Uncomfortable truth** — The insight most people avoid266. **Payoff** — Was it worth it? Yes, and here's why.2728---2930## ASCII Diagrams (MANDATORY)3132Every post MUST include at least one ASCII diagram in a code block. These break up walls of text and make complex systems visual.3334Use box-drawing characters:35```36┌─────────┐ ┌─────────┐ ┌─────────┐37│ Input │───►│ Process │───►│ Output │38└─────────┘ └─────────┘ └─────────┘39```4041Diagram types to use:42- **System architecture** — boxes connected by arrows showing how components relate43…
Excerpt shown under the repository's MIT license.
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