How do I install the Post Editing skill?

Run npx skillmds@latest add nirholas/post-editing in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Post Editing safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Post Editing?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Post Editing free to use?

Yes. Installing skills from SkillMD is free. This skill is licensed under Apache-2.

Who published Post Editing?

nirholas (@nirholas) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Post Editing by nirholas — Agent Skill

Name: Post Editing
Author: nirholas

File contents

Post Editing & Undo

Browser console script for editing existing posts or undoing a recently posted tweet.

⚠️ X Premium required — Post editing and undo are Premium-only features.

Script Selection

Goal	File	Navigate to
Edit an existing post	`src/editPost.js`	`x.com`
Undo a post within 30 seconds of posting	`src/editPost.js`	`x.com`

Quick Start

Edit a post

Go to x.com
Open DevTools (F12) → Console
Set mode: 'edit', postUrl, and newText in CONFIG
Paste src/editPost.js → Enter

Undo a post (must run within 30 seconds of posting)

Post your tweet
Immediately open DevTools (F12) → Console
Set mode: 'undo' in CONFIG
Paste src/editPost.js → Enter

Configuration

const CONFIG = {
  mode: 'edit',         // 'edit' or 'undo'

  // Edit mode:
  postUrl: 'https://x.com/nichxbt/status/123456789',  // Post to edit
  newText: 'Updated tweet content here',               // New text

  // Timing:
  minDelay: 1000,
  maxDelay: 2000,
  navigationDelay: 3000,  // Wait for page/modal to load
};

Selectors Used

Element	Selector
Post options (⋯)	`[data-testid="caret"]`
Edit tweet option	`[data-testid="editTweet"]`
Tweet textarea	`[data-testid="tweetTextarea_0"]`
Submit button	`[data-testid="tweetButton"]`
Undo banner	`[data-testid="undoTweet"]`

Notes

Edit window: X allows unlimited edits on Premium (unlike Bluesky's 5-minute limit)
Undo window: The undo banner only appears for ~30 seconds after posting
Edit history is publicly visible — a small edit badge appears on edited posts
Script navigates to the post URL automatically when postUrl is set

Related Skills

content-posting — Post new tweets and threads
content-cleanup — Delete tweets entirely
premium-subscriptions — Manage X Premium features

---name: post-editingdescription: Edit existing posts or undo a recently posted tweet on X/Twitter. Post editing and undo are X Premium features. Use when users want to edit a tweet they already posted or undo a tweet within the 30-second window.license: Apache-2.0---# Post Editing & UndoBrowser console script for editing existing posts or undoing a recently posted tweet.> ⚠️ **X Premium required** — Post editing and undo are Premium-only features.## Script Selection| Goal | File | Navigate to ||------|------|-------------|| Edit an existing post | `src/editPost.js` | `x.com` || Undo a post within 30 seconds of posting | `src/editPost.js` | `x.com` |## Quick Start### Edit a post1. Go to `x.com`2. Open DevTools (F12) → Console3. Set `mode: 'edit'`, `postUrl`, and `newText` in CONFIG4. Paste `src/editPost.js` → Enter### Undo a post (must run within 30 seconds of posting)1. Post your tweet2. Immediately open DevTools (F12) → Console3. Set `mode: 'undo'` in CONFIG4. Paste `src/editPost.js` → Enter## Configuration```jsconst CONFIG = { mode: 'edit', // 'edit' or 'undo' // Edit mode: postUrl: 'https://x.com/nichxbt/status/123456789', // Post to edit newText: 'Updated tweet content here', // New text // Timing: minDelay: 1000, maxDelay: 2000, navigationDelay: 3000, // Wait for page/modal to load};```## Selectors Used| Element | Selector ||---------|----------|| Post options (⋯) | `[data-testid="caret"]` || Edit tweet option | `[data-testid="editTweet"]` || Tweet textarea | `[data-testid="tweetTextarea_0"]` || Submit button | `[data-testid="tweetButton"]` || Undo banner | `[data-testid="undoTweet"]` |## Notes- **Edit window**: X allows unlimited edits on Premium (unlike Bluesky's 5-minute limit)- **Undo window**: The undo banner only appears for ~30 seconds after posting- Edit history is publicly visible — a small edit badge appears on edited posts- Script navigates to the post URL automatically when `postUrl` is set## Related Skills- **content-posting** — Post new tweets and threads- **content-cleanup** — Delete tweets entirely- **premium-subscriptions** — Manage X Premium features

Frequently asked questions

Post Editing