post-social

name	post-social
description	Post content to social media platforms. X/Twitter, Instagram, LinkedIn, Reddit, Threads, YouTube, Discord. Use when: "post a tweet", "share on LinkedIn", "upload to YouTube", "send Discord message", "post to Reddit", "share on Instagram", "publish on Threads", "tweet this", "post on X", "share on social media".
disable-model-invocation	true
allowed-tools	["mcp__sh__platform_guide","mcp__sh__playbook_preflight","mcp__sh__browser_open","mcp__sh__browser_navigate","mcp__sh__browser_click","mcp__sh__browser_fill_form","mcp__sh__browser_stealth","mcp__sh__browser_wait","mcp__sh__browser_page_info","mcp__sh__browser_js","mcp__sh__browser_dom","mcp__sh__key","mcp__sh__type_text","mcp__sh__click_with_fallback","mcp__sh__screenshot_file","mcp__sh__observer_start","mcp__sh__observer_status","mcp__sh__observer_stop","mcp__sh__memory_recall","mcp__sh__memory_save","mcp__sh__memory_record_error","mcp__sh__memory_query_patterns"]

Social Media Posting

You are posting content to a social media platform using ScreenHand's browser automation with anti-detection.

Intelligence Wrapper

Every tool call returns automatic hints from the server. Watch for:

• [HINT] — selector suggestions from curated reference files (e.g., data-testid values for X/Twitter)
• [WARNING] — this tool has failed before on this platform, includes the fix
• [STRATEGY] — suggested next step based on past successful posting sequences

The server auto-loads the matching reference file when you navigate to a platform URL. You'll see hints with exact selectors — use them.

Available Platform References

These are the exact platform names to use with platform_guide:

Platform	Reference Name	Has Playbook
X/Twitter	x-twitter	Yes (x-twitter)
LinkedIn	linkedin	Yes (linkedin)
Instagram	instagram	Yes (instagram)
Reddit	reddit	Yes (reddit)
Threads	threads	Yes (threads)
YouTube	youtube	Yes (youtube)
Discord	discord	Yes (discord)

Pre-Flight (MANDATORY — do this every time)

1. Load platform knowledge: platform_guide(platform="x-twitter") — use the EXACT name from the table above. Returns curated selectors, flows, known errors, policy notes.
2. Check verified learnings: memory_query_patterns(scope="x-twitter") — selectors verified through repeated success.
3. Check for blockers: playbook_preflight(url="{platform_url}") — CAPTCHAs, login walls, shadow DOM, React SPA.
4. Recall past strategies: memory_recall(task="post on {platform}").
5. Start observer: observer_start(bundleId="com.google.Chrome") — detects popups, cookie banners, CAPTCHA overlays during interaction.

If preflight returns RED (CAPTCHA detected) → stop and tell the user to solve it manually.

Anti-Detection (MANDATORY for all social platforms)

Call browser_stealth() ONCE before any interaction. This patches:

• navigator.webdriver detection
• Plugin/language/permission fingerprinting
• Chrome automation markers

Use browser_fill_form for composing posts — types character-by-character with randomized delays like a human.

Platform-Specific Flows

X / Twitter

1. browser_navigate(url="https://x.com/compose/tweet") or click compose button
2. Compose selector: div[data-testid='tweetTextarea_0']
3. Use browser_fill_form(selector, text) to type the post
4. For media: click input[data-testid='fileInput'] area
5. Post button: [data-testid='tweetButton']
6. Verify: browser_wait for tweet URL in address bar or success toast
7. Limit: ~50 posts/day. Check policyNotes from platform_guide.

LinkedIn

1. browser_navigate(url="https://www.linkedin.com/feed/")
2. Click "Start a post" button
3. Compose selector: div.ql-editor[contenteditable='true']
4. Use browser_fill_form for the post body
5. Post button: button.share-actions__primary-action
6. Verify: browser_wait for the compose modal to close
7. Limit: Be cautious with connection requests (~150/week)

Instagram

1. browser_navigate(url="https://www.instagram.com/")
2. Click create/new post button (SVG icon, use browser_dom to find)
3. Instagram web has limited posting — primarily for images via drag-and-drop
4. Use mobile user-agent if needed: browser_js to check/set
5. Note: No links in post body. Hashtags in comments perform better.

Reddit

1. browser_navigate(url="https://www.reddit.com/r/{subreddit}/submit")
2. Title field: textarea[name="title"] or input[name="title"]
3. Body: Rich text editor or markdown mode
4. Select post type (text, link, image)
5. Submit button: look for submit/post button via browser_dom
6. Requires: Subreddit name from user. Ask if not provided.

Threads

1. browser_navigate(url="https://www.threads.net/")
2. Click compose button
3. Type in the text area
4. Post button
5. Verify post appeared
6. Note: Relatively new — selectors may change. Use browser_dom to discover if reference is stale.

YouTube (comments/community posts, not video upload)

1. browser_navigate(url="https://www.youtube.com/")
2. For community posts: navigate to Your channel > Community
3. For comments: navigate to video page, scroll to comment section
4. Comment box: #simplebox-placeholder to activate, then #contenteditable-root
5. Note: Video upload requires Studio — browser_navigate to studio.youtube.com

Discord

1. browser_navigate(url="https://discord.com/channels/{server}/{channel}")
2. Message input: div[role='textbox']
3. Use browser_fill_form for the message
4. Press Enter to send: key("enter")
5. Verify: message appears in chat

Media Upload Pattern

For platforms that accept image/video uploads:

1. Find the file input: browser_dom(selector="input[type='file']")
2. If hidden, trigger it: browser_js(expression="document.querySelector('input[type=file]').click()")
3. The native file dialog will open — use type_text to enter the file path + key("enter") to confirm
4. Or use browser_js to set files programmatically if the platform allows

Post-Success

1. Take screenshot_file as confirmation
2. observer_stop() — stop popup detection
3. memory_save(task="posted on {platform}: {summary}") — persist the strategy
4. Report to the user: platform, post content summary, any URL if visible

Error Handling

• Login wall: Take screenshot_file, tell user to log in, wait for them to confirm
• CAPTCHA: Stop immediately, ask user to solve manually
• Rate limit: Record with memory_record_error, wait 15 minutes, retry once
• Selector changed: Use browser_dom to rediscover elements, update memory with memory_record_error
• Popup/cookie banner: Check observer_status() — auto-detected, dismiss with click_with_fallback

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