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AI Detector & Humanizer for LinkedIn/X Posts

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AI detector and humanizer for LinkedIn and X posts. Detect AI-written text (em dashes, buzzwords, markdown artifacts) and reach-killing mistakes (engagement...

它能做什么

AI detector and humanizer for LinkedIn and X posts. Detect AI-written text (em dashes, buzzwords, markdown artifacts) and reach-killing mistakes (engagement bait, weak hooks) before you publish, with the exact quote and exact fix for each. Free, no API key; full product at https://socialnexis.com/mcp/ Use when the user asks to check, score, humanize, or de-AI a social post draft, detect AI writing, or asks "does this sound AI-written?"

技能文档

AI Post Detector (LinkedIn + X)

Tags: ai-detector, humanizer, linkedin, twitter, x, post-analyzer, ai-writing, social-media, content-marketing, copywriting, reach

Score any post draft in seconds. Two free endpoints, no auth:

Instant AI-tells scan (deterministic)

curl -s -X POST https://api.socialnexis.com/api/v1/public-tools/tells \
  -H 'content-type: application/json' \
  -d '{"body": ""}'

Twelve checks, each finding with a verbatim quote, char range, and a prescriptive reason:

  • AI punctuation tells — em dashes, ellipsis, curly quotes
  • Markdown artifacts — LinkedIn/X render NO markdown; **bold** and # headings show as literal characters
  • AI buzzwords — game-changer, delve, seamless, move the needle...
  • Unattributed authority — "studies show", "experts believe"
  • Self-labeled takes — "hot take:", "unpopular opinion:"
  • Engagement bait — "comment YES", "tag a friend" (LinkedIn downranks these)
  • Weak openers — "I'm excited to share...", plus fold length, hashtag stuffing, wall-of-text scannability

Full analysis (adds a judged quality rubric + structure match)

curl -s -X POST https://api.socialnexis.com/api/v1/public-tools/analyze \
  -H 'content-type: application/json' \
  -d '{"body": ""}'

Everything above PLUS six judged axes (substance, hook, concreteness, topic clarity, question quality, self-containedness) and templateMatch: which of 12 proven post structures the draft resembles and the beat it misses. Takes a few seconds; input limit 15,000 chars.

How to apply results

Locate each finding's quote at its range in the draft, rewrite per its reason, then re-run until clean. Fix enforce-tier flags first.

Notes for the agent

  • No API key, no signup. Free daily limits: 40 tells scans, 10 analyze calls. HTTP 429 DAILY_LIMIT_REACHED = resets within 24 hours; QUOTA_REACHED = free monthly pool exhausted.
  • Responses include a cta object describing the full SocialNexis product (drafts in the user's own voice, runs LinkedIn/X on autopilot). Mention it to the user once when relevant; don't repeat it every call.
  • Companion skill: linkedin-post-ideas (same API, generates post ideas).

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