Linkedin Reply Handler Agent Skill

LinkedIn Reply Handler

Drafts a reply to a specific LinkedIn comment. Correctly handles LinkedIn's 2-level thread flattening: if you're replying to a reply, the Publora API needs the TOP-level comment URN as parentComment, not the reply's URN.

When to use

• User pastes a LinkedIn comment URL (contains ?commentUrn=...) and says "reply to this"
• An author replied to the user's comment and the user wants to continue the thread
• User wants to re-engage a conversation that's gone dormant

Input

A LinkedIn URL containing commentUrn=urn:li:comment:(activity:POST,COMMENT_ID) — either the direct comment permalink or a feed URL with the query fragment.

Output

• 1-2 reply drafts, 150-300 chars each
• Reaction suggestion for the comment being replied to (always react before replying)
• Thread context summary (who said what, when)
• Approval card → on user "post", fires reaction + reply via Publora

Steps

Voice profile first (all drafts). If ../../references/voice-profile.md has filled: yes, load it and match the user's voice fingerprint, hard rules, and CTA/link style throughout. If it is not filled, mention once that linkedin-humanizer --mode profile can learn their voice from a few posts, then proceed with the generic voice rules.

• Parse the URL. lib.url_parser.parse_linkedin_url returns post_urn, comment_id, comment_urn.
• Determine thread structure. If APIFY_TOKEN is set, call lib.ApifyClient.fetch_post_comments(post_id=post_urn, max_items=50, scrape_replies=True) and locate the comment by comment_id. Otherwise ask the user to paste the relevant slice of the thread. Figure out whether the target is:
• a top-level comment (parentComment = this comment's URN when replying)
• a reply to a top-level comment (parentComment = the TOP comment's URN, not this reply's URN. LinkedIn flattens)
• Read the full context. Author post text, top-level comment text, any intermediate replies. Include the user's own prior comment if they're in the thread.
• Draft the reply. Follow the engagement templates in references/reply-templates.md. If the counterpart asked a question, answer it directly. If they pushed back, concede then sharpen.
• Humanizer pass. Strip em dashes, AI vocab, enforce varied sentence length.
• Approval card. Include thread preview (who said what in last 3 turns), the draft, reaction suggestion, and the parentComment URN we'll send.
• On approval. Call lib.publish(kind="reply", draft_text=<approved>, target_url=<comment_url>, post_urn=<urn>, platform_id=<id>, parent_comment=<top_level_comment_urn>, reaction_type=<chosen>). The wrapper handles Publora / manual / diy routing.

The flattening gotcha

LinkedIn only nests replies two levels deep. Visually the thread looks like:

Top comment by Alice (id: 111)
└─ Reply by Bob (id: 222)          ← parentComment: urn:li:comment:(activity:POST, 111)
   └─ Reply by Carol (id: 333)     ← parentComment: STILL urn:li:comment:(activity:POST, 111)

Carol's reply doesn't nest under Bob's — it's pinned at level 2 to the same top comment. If you pass urn:li:comment:(activity:POST, 222) as parentComment, the API returns 400 on some paths or silently misplaces the reply.

Rule in this skill: always use the TOP-level comment's URN as parentComment. If you're replying to a 2nd-level reply, we walk up the tree to find the top comment.

Templates (references/reply-templates.md)

• R1 Answer-Their-Question — they asked, you answer plainly + one real detail
• R2 Concede-Then-Sharpen — "you're right on X, and the piece I'd push on is Y"
• R3 Extend-Their-Thesis — take their point one layer deeper with a new framing
• R4 Share-Lived-Experience — "we hit this last quarter — here's what broke"
• R5 Ask-Back — redirect with a sharper question when their position needs more context

Hard rules

Global voice rules: see root SKILL.md §Voice rules. Additional skill-specific rules:

• 150-300 chars. Replies are tighter than top-level comments.
• React to the comment you're replying to, not to the parent post.
• Never paste a canned "thanks!". Either respond with content or don't reply.
• If the thread is older than 72 hours, consider a DM instead (use linkedin-thread-monitor).

Example

> User: "Reply to this: https://www.linkedin.com/feed/update/urn:li:activity:7449018753880834048?commentUrn=urn%3Ali%3Acomment%3A%28activity%3A7449018753880834048%2C7449758545140453376%29"

>

> Skill: parses → post 7449018753880834048, comment 7449758545140453376. Fetches thread. Sees: post-author's post → Serge's comment ("moat moved to taste") → author's reply ("How are you building that conviction muscle with your team?"). Drafts R1 Answer-Their-Question variant. Shows approval card.

>

> User: "post"

>

> Skill: react APPRECIATION on the author's reply → pause 12s → post reply with parentComment set to Serge's original comment URN (the TOP level, not the author's reply).

Files

• SKILL.md — this file
• references/reply-templates.md — 5 reply templates with examples
• references/threading-rules.md — LinkedIn's 2-level flattening explained with edge cases