What is baoyu-post-to-x?

A posting tool for publishing posts and long-form articles to X, formerly known as Twitter, through a real browser.

Use it to post text, images, videos, or Markdown-based X Articles.

It helps publish prepared text and media while handling the different workflows for short posts and articles.

baoyu-post-to-x — Skill for Claude Code and Codex by leecyno1

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add leecyno1/boutique-skills --skill baoyu-post-to-x

Clone the repo

git clone --depth 1 https://github.com/leecyno1/boutique-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/leecyno1/boutique-skills/baoyu-post-to-x/github.svg)](https://agentmods.dev/skills/leecyno1/boutique-skills/baoyu-post-to-x)

Your own site

<a href="https://agentmods.dev/skills/leecyno1/boutique-skills/baoyu-post-to-x"><img src="https://agentmods.dev/badge/skills/leecyno1/boutique-skills/baoyu-post-to-x/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/leecyno1/boutique-skills/baoyu-post-to-x"><img src="https://agentmods.dev/badge/skills/leecyno1/boutique-skills/baoyu-post-to-x.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 95 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 4,185 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin 100% copy Near-identical to another mod in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00095	$0.04185
Opus 5	$0.00048	$0.02093
Sonnet 5	$0.00019	$0.00837
Haiku 4.5	$0.00010	$0.00419

Measured 9d ago against content hash 6eca9de552dd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

baoyu-post-to-x scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

The scan reads SKILL.md. This mod also ships 11 executable files (scripts/check-paste-permissions.ts, scripts/copy-to-clipboard.ts, scripts/md-to-html.test.ts, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to baoyu-post-to-x — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/default/baoyu-post-to-x/SKILL.md · 336 lines

How it starts

The opening of the file, as written. The whole thing — 336 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Post to X (Twitter)

Posts text, images, videos, and long-form articles to X via a real Chrome browser.

In Codex, do not conflate these browser paths:

Codex Chrome plugin / @chrome / Chrome Extension: use the bundled chrome:Chrome skill and its Node REPL browser client. This is required whenever the user says "Codex Chrome plugin", "Codex 自带的 Chrome 插件", @chrome, or similar.
Chrome Computer Use: use mcp__computer_use__.* against the visible Google Chrome UI only when the user asks for Computer Use or no Chrome-plugin preference is stated and Computer Use is available.
CDP script mode: use only as a fallback when the selected mode is unavailable or the user explicitly asks for CDP/script mode.

Script Directory

Important: All scripts are located in the scripts/ subdirectory of this skill.

Agent Execution Instructions:

Determine this SKILL.md file's directory path as {baseDir}
Script path = {baseDir}/scripts/<script-name>.ts
Replace all {baseDir} in this document with the actual path
Resolve ${BUN_X} runtime: if bun installed → bun; if npx available → npx -y bun; else suggest installing bun

Script Reference:

Script	Purpose
`scripts/x-browser.ts`	Regular posts (text + images), CDP fallback
`scripts/x-video.ts`	Video posts (text + video), CDP fallback
`scripts/x-quote.ts`	Quote tweet with comment, CDP fallback
`scripts/x-article.ts`	Long-form article publishing (Markdown), CDP fallback
`scripts/md-to-html.ts`	Markdown → HTML conversion
`scripts/copy-to-clipboard.ts`	Copy content to clipboard
`scripts/paste-from-clipboard.ts`	Send real paste keystroke
`scripts/check-paste-permissions.ts`	Verify environment & permissions

Execution Mode Selection (Required)

Choose exactly one mode before interacting with X:

If the user explicitly asks for the Codex Chrome plugin, @chrome, the Chrome extension, or "Codex 自带的 Chrome 插件", use Codex Chrome Plugin Mode. Do not call Computer Use first.
If the user explicitly asks for Chrome Computer Use, use Chrome Computer Use Mode. Do not fall back to CDP, Playwright, the in-app Browser, or the Chrome plugin without telling the user and getting approval.
If the user explicitly asks for CDP/script mode, use CDP Script Mode.
Otherwise, prefer Chrome Computer Use Mode. For Markdown X Articles with local content images, use the tested X editor flow: insert each body image from the toolbar (Insert -> Media -> dialog icon button Add photos or video) at its placeholder, then delete the placeholder text. Use CDP Script Mode only when the selected browser-control mode is unavailable or the UI upload/selection flow is unreliable.

Read the full file on GitHub · 336 lines

Files

What ships with it

16 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

9d ago First seen · 336 lines · 95 tokens per session scan A 6eca9de552dd

Subscribe to this mod's changes

baoyu-post-to-x is a skill published in the GitHub repository leecyno1/boutique-skills (5 stars, last pushed today), licensed MIT. It adds 95 tokens to every session and 4,185 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to baoyu-post-to-x, differing in 0 lines, and is treated as a copy.

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