x-post-tweet

name	x-post-tweet
description	Posts tweets to X (Twitter) in AJ's voice. Use when asked to write a tweet, post to Twitter/X, compose a tweet, or share something on X. Handles both writing the tweet copy and posting it via browser automation.

X Tweet Composer & Poster

Overview

Writes tweets in AJ's voice and posts them to X via the logged-in Chrome session using agent-browser CDP. Combines voice guide, content strategy, and browser automation into one workflow.

Prerequisites

Requires chrome-browser skill to be running first. Verify:

curl -s --max-time 3 http://localhost:9222/json/version

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AJ's Voice Guide

AJ's Voice Guide — Source of Truth

Edit this file to update your voice everywhere.

Run: update-voice to sync all skills and Claude projects.

Last updated: 2025-07-01

Who You Are

Builder, streamer, AI tools creator. You're the peer who's slightly ahead, showing what's possible with genuine excitement. Not performing — discovering. Not reviewing — building. Every post feels like you just came back from the workshop with something cool to show.

Core Voice Principles

Lead with discovery, not commentary

Best format: what you found → what surprised you → why it matters You're not a pundit — you're a builder sharing what you just saw work.

First words are everything

• Bold claims: 80% success rate
• Questions: 29% success rate
• Start with the result or the surprising thing
• Never start with "so," "hey," or throat-clearing
• Name the tool or specific metric immediately

Write like you talk on your best days

Power words: just, actually, dude, pretty cool, boom, free, open source Cut: "I think," "kind of," "maybe" — assertive beats hedging every time

Format for scroll speed

• One idea per line
• Whitespace between thoughts
• Cut every word that isn't earning its place
• 70-100 characters per line for quick-read posts

End with action, not asks

"Download it" and "try it" → 8x more views than "subscribe" or "follow" Give people something to do.

Content Formats

Discovery post

"just [action] and [surprising result]" → details → "go try it"

Tool milestone

"[tool] just hit [metric]" → what it does → "download it"

Feed summary

"just spent X mins reading [source] so you don't have to" → bullets → "go build something"

Tutorial teaser

"[thing] actually works" → one-line proof → "here's how"

Tweet Template

[surprising result or discovery — bold, specific]

[one supporting detail per line]
[another detail]
[the "why it matters" line]

[action: go try it / download it / go build something]

Real Example (posted tweet)

just spent 10 mins reading twitter so you don't have to

robots doing kung fu nunchucks in China — a year ago they couldn't wave

OpenClaw skill ecosystem blowing up

aitmpl.com hit 100k npm downloads

physical intelligence is the next frontier

go build something

What To Avoid

• "I think" / "kind of" / "maybe"
• Starting with "So," "Hey," "Just wanted to share"
• Asking people to subscribe / follow as the CTA
• Passive voice
• Jargon without explanation
• Walls of text without whitespace

Tweet Writing Template

[surprising result or discovery — bold, specific]

[one supporting detail per line]
[another detail]
[the "why it matters" line]

[action: go try it / download it / go build something]

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Browser Automation Workflow

Step 1: Navigate to X home

agent-browser --cdp 9222 open https://x.com/home
agent-browser --cdp 9222 wait 4000

IMPORTANT: Do NOT use --auto-connect for X — always use --cdp 9222 to connect to the logged-in Chrome session.

Step 2: Snapshot to find compose box

agent-browser --cdp 9222 snapshot -i

Look for textbox "Post text" — its ref changes every time so always re-snapshot to get current refs.

Step 3: Click the compose textbox

agent-browser --cdp 9222 click e28  # use actual ref from snapshot

Step 4: Type the tweet

Use type (not fill) to avoid clearing any existing content:

agent-browser --cdp 9222 type e28 "your tweet text here"

Newlines work fine in the string — X renders them as line breaks in the tweet.

Step 5: Re-snapshot to get fresh refs + verify Post button is enabled

agent-browser --cdp 9222 snapshot -i

After typing, refs change again. Find the button "Post" ref. If it shows [disabled], the text box may be empty — try clicking the textbox again and retyping.

Step 6: Take a screenshot to visually verify

agent-browser --cdp 9222 screenshot /tmp/tweet-preview.png
open /tmp/tweet-preview.png

Step 7: Click Post

agent-browser --cdp 9222 click e47  # use actual Post button ref from latest snapshot

Step 8: Verify it posted

agent-browser --cdp 9222 wait 3000
agent-browser --cdp 9222 snapshot -i 2>&1 | head -60

Success indicator: your tweet appears at the top of the feed with timestamp "Now" and your handle @techfrenAJ. The compose box resets to empty and button "Post" returns to [disabled].

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agent-browser Quirks on X (Key Learnings)

Issue	Cause	Fix
get text @ref times out	Refs are invalidated after DOM changes	Always re-snapshot before reading
--auto-connect not logged in	Opens fresh browser, not your Chrome session	Always use --cdp 9222
networkidle times out	X never reaches networkidle state	Use wait 4000 (fixed ms) instead
get text body returns JS bundle	X injects massive JS into body	Use JS eval with data-testid or snapshot approach
Post button stays [disabled]	Text didn't land in compose box	Re-click the textbox, re-snapshot, retype
Refs like e28 become stale	Snapshot refs expire on DOM change	Re-snapshot after every click/navigation
Link card preview appears	X auto-fetches URL cards	This is fine, doesn't affect posting

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DOM Selectors Reference (for JS eval fallback)

// Compose textarea
document.querySelector('[data-testid="tweetTextarea_0"]')

// Post button
document.querySelector('[data-testid="tweetButtonInline"]')

// Verify tweet posted (appears at top of timeline)
document.querySelector('article[data-testid="tweet"]')

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Content Ideas by Type

Tech discovery post: "just [action] and [surprising result]" → details → "go try it" Tool milestone: "[tool] just hit [metric]" → what it does → "download it" Feed summary: "just spent X mins reading [source] so you don't have to" → bullets → "go build something" Tutorial teaser: "[thing] actually works" → one-line proof → "here's how"

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Related Skills

• chrome-browser — Launch Chrome with CDP debugging
• x-feed-scraper — Scrape X feed for content to tweet about
• x-feed-summarizer — Summarize feed into note (source material for tweet content)