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x-post-writer

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UpdatedJuly 2, 2026 at 04:36

Draft a single tweet or short auto-thread for X (Twitter) using a 2026 X hook formula (one-liner contrarian, data-point, build-in-public, mini-list, relatable cold-open), picked by goal (replies, reposts, likes, bookmarks). Respects the 280-char limit (25,000 on Premium), runs the humanizer pass, and publishes via Publora on approval. Use to write a tweet from notes. Not for long threads (use x-thread-builder) or auditing a draft (use x-humanizer --mode audit).

Installation

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sergebulaev

sergebulaev/x-skills

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Market Research Analysts and Marketing SpecialistsBusiness and Financial Operations Occupations·SOC 13-1161

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SKILL.md

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name

x-post-writer

description

X Post Writer

Ship a single tweet, or a tight 2-3 tweet micro-thread, using hook shapes that actually travel on X in 2026. Single-tweet formulas land a complete punch in the first line, because X has no "see more" fold.

When to use

User says "write me a tweet about X"
User has a topic or a rough one-liner and wants a sharper hook
User wants to pick a proven single-tweet shape and fill in their voice
User wants a quick draft that auto-publishes on approval

Formulas this skill uses (single-tweet shapes)

Code	Formula	Primary goal	Best for
X1	One-Liner Contrarian	reposts	a sharp, defensible against-the-grain take
X2	Data-Point Hook	bookmarks	one odd-precision number that reframes a thing
X3	Build-in-Public Confession	replies	a real metric from your own work, ugly ones included
X4	Quote-Tweet Dunk-with-Value	reposts	adding a layer to someone else's take (quote tweet)
X5	Mini-List Tweet	bookmarks	a scannable list that fits in one tweet
X6	Relatable Cold-Open	likes	a specific shared moment, no setup

Full skeletons in ../../references/hook-formulas.md. For long-form tweetstorms (X7-X10), use x-thread-builder.

Pick by goal first

Goal	Reach for
Replies	X3, X1
Reposts	X1, X4
Likes	X6
Bookmarks	X2, X5

Steps

Gather inputs. Topic, angle, any rough draft, target audience (builders / founders / a niche), and the goal (replies / reposts / likes / bookmarks).
Pick the container. If the idea is one claim, one number, or one moment, it is a single tweet. If it is a scannable one-line-per-item list, still a single tweet (X5). If items need teaching or the idea has a build, hand off to x-thread-builder.
Pick the formula. Use the goal table to shortlist, then suggest 2-3 that also fit the topic and let the user choose.
Draft the tweet. Fill the skeleton in the user's voice. Respect the 2026 X rules:
- First line carries the whole load (no fold).
- Under 280 chars on a standard account (emoji count as 2 chars). Confirm the user's tier; only go long if they are on Premium and the length earns it.
- One idea per tweet. Line breaks as beats.
- 0-1 hashtag at the end, 0-1 emoji, none on a serious take.
- No external link in the tweet (offer to put it in a reply).
Humanizer pass. Strip em dashes, AI vocab, rule-of-three, generic openers. Add a specific number or named entity where the claim allows it.
Optional audit. Invoke x-humanizer --mode audit for a pass-fail check.
Approval card. Show: formula used, full draft, char count (note if emoji push it over 280), suggested posting window, primary goal.
On approval. Call lib.publish(kind="post", draft_text=<approved>, target_url="https://x.com/compose/tweet", platforms=[<X_PLATFORM_ID>], scheduled_time=<iso_or_None>). The wrapper handles Publora / manual / diy routing. If the content runs long, Publora auto-splits it into a numbered thread.

Hard rules

Global voice rules: see root SKILL.md Voice rules. Additional skill-specific rules:

The first line must stop the scroll on its own. Rewrite any opener that needs line 2 to make sense.
Keep a standard-account tweet inside 280 chars. If it does not fit, tighten it or escalate to a thread, never ship a truncated thought.
One specific number where the claim allows it. 2.4x beats "way better".
Do not hard-sell the user's product. One natural mention max.

Anti-patterns (skill will refuse)

ALL CAPS first line for intensity. Carry intensity with word choice.
Em dashes anywhere.
"Unpopular opinion:" on a take that is actually popular.
Padding a one-line idea with filler to look substantial.
Rule-of-three lists without specifics.
"leverage", "fundamentally", "game-changer", "deep dive".
External link in the tweet body.
Engagement bait ("RT if you agree", "reply YES").

Resources

../../references/hook-formulas.md - all 10 X formula skeletons (X1-X6 are single-tweet)
../../references/algorithm-heuristics.md - 2026 X ranking rules (signals, timing, limits)
references/single-tweet-checklist.md - the per-tweet scrub and fit list

Related skills

x-thread-builder - when the idea needs more than a tweet
x-humanizer - aggressive AI-tell scrubber, plus --mode audit for review
x-hook-extractor - reverse-engineer a hook from a tweet you admire

More from this repository

same repository

x-marketing

sergebulaev/x-skills

Plan, draft, audit, and publish posts and threads for X (Twitter). Use when the user wants to write a single tweet or an auto-numbered thread, build a long-form tweetstorm, remove AI tells from a draft, reverse-engineer the hook from a viral tweet, draft a reply or quote tweet, or plan a week of X content. Tweets and threads publish via the Publora API, which auto-splits long content into a numbered thread. User provides notes or a tweet URL, the skill drafts, the user approves, then it publishes.

Scrub AI tells from any tweet or thread draft, or audit a finished draft against the 2026 X (Twitter) checklist. Strips em dashes, AI vocabulary (leverage, fundamentally, delve, harness), rule-of-three lists, and uniform tweet rhythm, then adds human fingerprints. Includes a --mode audit pre-publish check (280-char fit, hook, hashtag and emoji limits). Triggers on humanize, de-AI tweet, review my thread, audit before posting. Not for writing from scratch (use x-post-writer or x-thread-builder).

2026-07-056

x-content-planner

sergebulaev/x-skills

Generate a weekly X (Twitter) content plan from a theme, audience, and content pillars. Produces per-day recommendations (single tweet vs thread, X hook formula, angle, posting time, primary goal), a single-to-thread mix, daily reply and quote-tweet targets, and a goal-mix balance check across replies, reposts, likes, and bookmarks. Use when the user wants to plan a week of X content instead of ad-hoc posting. Not for drafting one tweet (use x-post-writer) or one thread (use x-thread-builder).

2026-07-026

x-hook-extractor

sergebulaev/x-skills

Reverse-engineer the hook from a viral X (Twitter) tweet or thread URL. Identifies which of the 10 canonical 2026 X formulas it uses (one-liner contrarian, data-point, build-in-public, quote-tweet, mini-list, relatable cold-open, listicle-thread, story thread, curiosity-gap, how-I teardown), explains why it worked, and returns a blank template mapped to your topic with its primary goal. Use to learn from a tweet you admire. Not for writing your own (use x-post-writer or x-thread-builder).

2026-07-026

x-reply-drafter

sergebulaev/x-skills

Draft a reply or a value-add quote tweet for a specific X (Twitter) tweet from its URL. Use to reply in a thread, answer a creator, or quote-tweet with added value. Parses the tweet URL, reads pasted context, decides reply vs quote tweet, and drafts 1-3 variants in your voice. X has no LinkedIn-style 2-level thread flattening, so a reply is just a tweet. Publora has no reply endpoint, so the draft is returned as a copy-paste block to post yourself. Not for top-level posts (use x-post-writer).

2026-07-026

name

x-post-writer

description

X Post Writer

When to use

User says "write me a tweet about X"
User has a topic or a rough one-liner and wants a sharper hook
User wants to pick a proven single-tweet shape and fill in their voice
User wants a quick draft that auto-publishes on approval

Formulas this skill uses (single-tweet shapes)

Code	Formula	Primary goal	Best for
X1	One-Liner Contrarian	reposts	a sharp, defensible against-the-grain take
X2	Data-Point Hook	bookmarks	one odd-precision number that reframes a thing
X3	Build-in-Public Confession	replies	a real metric from your own work, ugly ones included
X4	Quote-Tweet Dunk-with-Value	reposts	adding a layer to someone else's take (quote tweet)
X5	Mini-List Tweet	bookmarks	a scannable list that fits in one tweet
X6	Relatable Cold-Open	likes	a specific shared moment, no setup

Full skeletons in ../../references/hook-formulas.md. For long-form tweetstorms (X7-X10), use x-thread-builder.

Pick by goal first

Goal	Reach for
Replies	X3, X1
Reposts	X1, X4
Likes	X6
Bookmarks	X2, X5

Steps

Gather inputs. Topic, angle, any rough draft, target audience (builders / founders / a niche), and the goal (replies / reposts / likes / bookmarks).
Pick the container. If the idea is one claim, one number, or one moment, it is a single tweet. If it is a scannable one-line-per-item list, still a single tweet (X5). If items need teaching or the idea has a build, hand off to x-thread-builder.
Pick the formula. Use the goal table to shortlist, then suggest 2-3 that also fit the topic and let the user choose.
Draft the tweet. Fill the skeleton in the user's voice. Respect the 2026 X rules:
- First line carries the whole load (no fold).
- Under 280 chars on a standard account (emoji count as 2 chars). Confirm the user's tier; only go long if they are on Premium and the length earns it.
- One idea per tweet. Line breaks as beats.
- 0-1 hashtag at the end, 0-1 emoji, none on a serious take.
- No external link in the tweet (offer to put it in a reply).
Humanizer pass. Strip em dashes, AI vocab, rule-of-three, generic openers. Add a specific number or named entity where the claim allows it.
Optional audit. Invoke x-humanizer --mode audit for a pass-fail check.
Approval card. Show: formula used, full draft, char count (note if emoji push it over 280), suggested posting window, primary goal.
On approval. Call lib.publish(kind="post", draft_text=<approved>, target_url="https://x.com/compose/tweet", platforms=[<X_PLATFORM_ID>], scheduled_time=<iso_or_None>). The wrapper handles Publora / manual / diy routing. If the content runs long, Publora auto-splits it into a numbered thread.

Hard rules

Global voice rules: see root SKILL.md Voice rules. Additional skill-specific rules:

The first line must stop the scroll on its own. Rewrite any opener that needs line 2 to make sense.
Keep a standard-account tweet inside 280 chars. If it does not fit, tighten it or escalate to a thread, never ship a truncated thought.
One specific number where the claim allows it. 2.4x beats "way better".
Do not hard-sell the user's product. One natural mention max.

Anti-patterns (skill will refuse)

ALL CAPS first line for intensity. Carry intensity with word choice.
Em dashes anywhere.
"Unpopular opinion:" on a take that is actually popular.
Padding a one-line idea with filler to look substantial.
Rule-of-three lists without specifics.
"leverage", "fundamentally", "game-changer", "deep dive".
External link in the tweet body.
Engagement bait ("RT if you agree", "reply YES").

Resources

../../references/hook-formulas.md - all 10 X formula skeletons (X1-X6 are single-tweet)
../../references/algorithm-heuristics.md - 2026 X ranking rules (signals, timing, limits)
references/single-tweet-checklist.md - the per-tweet scrub and fit list

Related skills

x-thread-builder - when the idea needs more than a tweet
x-humanizer - aggressive AI-tell scrubber, plus --mode audit for review
x-hook-extractor - reverse-engineer a hook from a tweet you admire