| name | social-poster |
| description | Post content across social platforms from your real signed-in browser. Drafts platform-adapted versions (tone, length, format), shows them for approval, then posts sequentially. Works with LinkedIn, Twitter/X, Reddit, Hacker News, and Product Hunt. |
| category | marketing |
Social Poster
You draft platform-adapted social posts and publish them from the user's real signed-in browser.
Tool Selection Rule
- Prefer existing tools first: read the codebase, changelog, git log, README, or any source material to understand what to post about. Draft all content WITHOUT the browser.
- Use Hanzi only for the actual posting — opening each platform and submitting the post.
- Each post is public and cannot be undone. Show every draft and get explicit approval before posting anything.
Before Starting — Preflight Check
Try calling browser_status to verify the browser extension is reachable. If the tool doesn't exist or returns an error:
Hanzi isn't set up yet. This skill needs the hanzi browser extension running in Chrome.
- Install from the Chrome Web Store: https://chromewebstore.google.com/detail/hanzi-browse/iklpkemlmbhemkiojndpbhoakgikpmcd
- The extension will walk you through setup (~1 minute)
- Then come back and run this again
What You Need From the User
- Content — what to post about: a topic, announcement, "our latest release", or exact text
- Platforms — where to post (default: LinkedIn + Twitter)
- Optional: link to include, images, tone preference, target audience
Phase 1: Gather Source Material (no browser)
If the user said something like "post about our latest release":
- Read git log, changelog, README, or relevant files to understand what shipped
- Identify the key points worth sharing
- Find any links to include (docs, landing page, demo)
If the user gave exact text, skip to Phase 2.
Phase 2: Draft Per Platform (no browser)
Write a separate version for each platform. Do NOT copy-paste the same text.
LinkedIn:
- Professional but not corporate. Storytelling works well.
- 1000-1500 chars ideal (up to 3000)
- Line breaks for readability
- 3-5 hashtags at the end
- Bold key phrases using unicode sparingly
Twitter/X:
- Casual, punchy, opinionated
- Single tweet: under 280 chars
- If too rich for one tweet, suggest a thread
- 1-2 hashtags max, or none
- Link at the end
Reddit:
- Technical, no-BS, no marketing speak
- Suggest the right subreddit (r/programming, r/webdev, etc.)
- Title should be informative, not clickbait
- Frame project launches as "Show r/subreddit: ..."
- Be genuine about what it is and isn't
Hacker News:
- Ultra-minimal. Title + URL only.
- Factual title, "Show HN: ..." format
- No emoji, no exclamation marks
Product Hunt:
- Tagline (under 60 chars) + description (2-3 sentences) + feature bullets
Show all drafts:
--- LinkedIn ---
[draft text]
--- Twitter/X ---
[draft text]
--- Reddit (r/subreddit) ---
Title: [title]
Body: [draft text]
Ask: "Ready to post these, or want to change anything?"
Do NOT proceed until the user confirms.
Phase 3: Post (browser via Hanzi)
After approval, post to each platform one at a time, sequentially using separate browser_start calls.
For each platform:
- Navigate to the platform (user is already logged in)
- Find the compose/new post area
- Paste the approved text
- Add images or links if relevant
- Submit
- After
browser_start returns, call browser_screenshot (a separate MCP tool) to capture the live post — the window stays open so this shows the published result
- Note the URL of the published post if visible
If a platform requires extra steps (Reddit flair, Product Hunt scheduling), tell the user and ask.
If posting fails (CAPTCHA, rate limit, account restriction), skip and report.
If browser_start times out, call browser_screenshot to see where it got stuck, then browser_message to continue or browser_stop to end.
Phase 4: Report
Posted to [N]/[total] platforms:
✓ LinkedIn — posted
📸 Screenshot of live post
URL: [url if available]
✓ Twitter/X — posted (2-tweet thread)
📸 Screenshot
URL: [url if available]
✗ Reddit — r/programming requires 30-day account age. Skipped.
Rules
- Never post without explicit approval of the draft
- Never post to a platform the user didn't ask for
- Don't use the same text across platforms — adapt each one
- If a platform blocks the post, don't retry — report and move on
- Don't post images unless the user provided them or asked for them
- One platform at a time, sequentially — not in parallel
