PostPilot for X — Twitter Post Score & Hook Checker

Score every Twitter/X post as you type — AI rewrites, thread scoring, voice coaching, and a hook library that learns what works.

PostPilot scores your X/Twitter posts in real time before you hit send. Most posts underperform because of weak hooks, vague claims, or length issues that are obvious in hindsight. PostPilot surfaces these problems while you're still writing, so you can fix them instead of wondering why a post flopped. It never logs into your X account and never posts for you. WHAT IT DOES As you type, PostPilot overlays a score panel on the X composer showing: • Hook analysis — detects your hook type (curiosity gap, data reveal, contrarian, etc.) and scores its strength • Specificity scoring — flags vague language and rewards concrete claims, numbers, and named references • Length optimization — guides you toward the character ranges that perform best • Curiosity gap detection — identifies whether your post creates enough tension to earn the click or the read • Governor warnings — catches structural patterns known to suppress engagement, including a named AI-slop lane for ChatGPT tells • Live media scoring — attached images and pasted links move the score • Pre-publish checklist — hook, flagged phrases, length, media. Warns. Never blocks. • Reply-invite signal — broadcast vs a real question, without rewarding “thoughts?” bait • Draft queue — save scored drafts and compare two side by side AI REWRITES When a post isn't landing, PostPilot can rewrite it for you. One click generates an improved version using your score and governor issues as context — so the suggestion actually addresses what's wrong, not just a generic rewrite. Rewrites are included at no extra cost, no API key required. Free: 1 suggestion, 3 per day. Pro: 3 variants per rewrite, 40 per day. Caps reset at midnight UTC. POSTPILOT PRO ($24/mo) Upgrade to Pro to unlock: • 3 AI rewrite variants per rewrite — each targets a different hook type so you can choose the angle that fits, calibrated to your own voice once you've built a Voice Match profile • Voice Match — PostPilot learns your personal writing style across 13 dimensions and adjusts scoring (and rewrites) to your voice, not a generic template • Learning engine — analyzes your past post performance (collected locally as you browse, or via X Analytics CSV import) to identify what actually works for your audience • Full Breakdown — hook types, length, topics, posting times, and media impact from your own posts. Score Trends (this week's average) is included on Free. • Reach range — a range and sample size from similar posts of yours. Hidden until there's enough data to be honest. Never a single invented impression count. • Thread scorer — scores each tweet in a thread individually and flags your weakest link • Viral Post Analyzer — see a PostPilot score and hook type on every post in your feed. Every viral post becomes a lesson. • Hook Library — save your best-performing openers and remix them when you're stuck PRIVACY Scoring, drafts, your voice profile, and insights all stay on your device — PostPilot reads only what's on your screen and stores this data locally. It never leaves your browser except for two things you trigger: validating a Pro license key (sent to LemonSqueezy, no post content included), and an AI rewrite you explicitly request (sent to PostPilot's own rewrite server, which forwards it to Anthropic and returns the result — the server enforces daily limits but doesn't retain your post content or voice data beyond generating that response). No data is ever sent to any other server. Follow @postpilotforx on X.