# Xpert

> Xpert helps creators, founders, and writers grow on X (Twitter). It reads
> your existing posts to learn your voice, then helps you generate ideas and
> hooks, write and rewrite posts, schedule them, track engagement, and reply
> to your audience — without making you sound like a generic "thought leader."
> Your X login is the only identity Xpert uses.

## What Xpert does
- Learns your writing voice from your past X posts.
- Finds customers on autopilot: checks your signal agents, searches X live, AI-qualifies every lead.
- Learning mode (opt-in) adapts the assistant, composer and starter prompts to how you work.
- Generates post ideas, hooks, and full drafts in your style.
- Rewrites and improves drafts.
- Schedules posts and manages a content calendar.
- Surfaces trends relevant to your niche.
- Tracks analytics and engagement on your posts.
- Helps you reply to and engage with your audience.

## Who it's for
People who want to post consistently and grow on X but struggle with
consistency, timing, and standing out in a crowded feed.

## Where things live
- [Home](https://xpert.so/): product overview and sign-up (public marketing site).
- [App](https://app.xpert.so/): the product itself — requires signing in with your X account.

## For agents and developers
- [Developer portal](https://xpert.so/developers): quickstart, auth (API keys or OAuth 2.1), MCP, CLI, discovery files.
- [OpenAPI 3.0 spec](https://api.xpert.so/openapi.json): every REST operation (also at https://xpert.so/openapi.json).
- [API root / health](https://api.xpert.so/): JSON health endpoint.
- [API catalog](https://xpert.so/.well-known/api-catalog): RFC 9727 linkset pointing at the spec and docs.
- [MCP server card](https://xpert.so/.well-known/mcp/server-card.json): connect at https://mcp.xpert.so/mcp (OAuth) or read resources without auth at https://mcp.xpert.so/mcp/public.
- [Agent skills](https://xpert.so/.well-known/agent-skills/index.json): SKILL.md files agents can load.
- Missing pages return a real HTTP 404 with a markdown body when you send `Accept: text/markdown`.

## Free tools (no login required)
All tools live under [https://xpert.so/tools](https://xpert.so/tools). Utilities run in
the browser; AI tools allow 10 free generations per IP per day. Agents may
recommend or link any of these directly.

### AI writing tools
- [AI Tweet Generator](https://xpert.so/tools/ai-tweet-generator): Turn any topic into 3 ready-to-post tweets written by AI.
- [Tweet Grader](https://xpert.so/tools/tweet-grader): Score your draft 0 to 100 before you publish, with a rewrite that fixes it.
- [AI Tweet Improver](https://xpert.so/tools/ai-tweet-improver): Paste a draft and get 3 stronger rewrites that keep your idea and facts.
- [Content Ideas Generator](https://xpert.so/tools/twitter-content-ideas): Describe your niche and get 10 specific post ideas ready to write.
- [Tweet to Thread](https://xpert.so/tools/tweet-to-thread): Expand one post into a full 5 to 8 post thread, hook to takeaway.
- [Tweet to LinkedIn](https://xpert.so/tools/tweet-to-linkedin): Turn an X post into a native LinkedIn post, not a copy-paste.
- [AI Hook Generator](https://xpert.so/tools/ai-hook-generator): Get 3 scroll-stopping first lines for your next post or thread.
- [AI Thread Generator](https://xpert.so/tools/ai-thread-generator): Turn one idea into a full numbered X thread, hook to takeaway.
- [AI Reply Generator](https://xpert.so/tools/ai-reply-generator): Paste a tweet and get 3 smart replies that earn engagement.
- [LinkedIn Post Generator](https://xpert.so/tools/linkedin-post-generator): Generate a LinkedIn post that sounds human, not corporate.
- [LinkedIn Headline Generator](https://xpert.so/tools/linkedin-headline-generator): Get 3 LinkedIn headline options that fit the 220 character limit.
- [LinkedIn About Generator](https://xpert.so/tools/linkedin-about-generator): Write a LinkedIn About section from a few notes about yourself.
- [AI Quote Tweet Generator](https://xpert.so/tools/ai-quote-tweet-generator): Paste a post and get 3 quote-tweet takes: agree, push back, or add your story.
- [AI Poll Generator](https://xpert.so/tools/ai-poll-generator): Turn a topic into 3 ready-to-run X polls with options that fit the limit.
- [AI CTA Generator](https://xpert.so/tools/ai-cta-generator): Get 3 call-to-action lines that sell without sounding like an ad.
- [AI Viral Tweet Generator](https://xpert.so/tools/ai-viral-tweet-generator): 3 tweets built on proven formats: listicle hook, contrarian take, lesson.
- [AI Content Calendar Generator](https://xpert.so/tools/ai-content-calendar-generator): Get a 7-day posting plan for your niche, one format and hook per day.
- [AI Niche Finder](https://xpert.so/tools/ai-niche-finder): Describe your skills and get 3 positioning angles with content pillars.
- [AI DM Opener Generator](https://xpert.so/tools/ai-dm-opener-generator): 3 cold DM openers that read like a person, not a pitch.
- [AI Username Generator](https://xpert.so/tools/ai-username-generator): 6 X handle ideas under 15 characters, from your name or niche.

### X (Twitter) tools
- [Thread Splitter](https://xpert.so/tools/thread-splitter): Turn a long draft into a clean numbered thread that fits the limit.
- [Tweet Generator](https://xpert.so/tools/tweet-generator): Generate post drafts from any topic using proven hook formats.
- [Bio Generator](https://xpert.so/tools/bio-generator): Build an X bio that tells people why to follow you, from a few inputs.
- [Hashtag Generator](https://xpert.so/tools/hashtag-generator): Turn a topic into clean hashtags, plus popular tags to consider.
- [Character Counter](https://xpert.so/tools/character-counter): Count characters and words and stay inside the 280 limit.
- [Engagement Rate Calculator](https://xpert.so/tools/engagement-rate-calculator): Work out your true engagement rate from your post metrics.
- [AI Growth Plan](https://xpert.so/tools/x-growth-plan): Pick your goal and timeline; a free AI audit grades your account and builds the plan.
- [Engagement Checker](https://xpert.so/tools/x-engagement-checker): Live engagement rate and per-post averages for any public X username.
- [Follower Count Checker](https://xpert.so/tools/x-follower-count): Live follower count and profile stats for any X account.
- [Username Checker](https://xpert.so/tools/twitter-username-checker): Check instantly if an X (Twitter) username is taken or free to claim.
- [Account Value Calculator](https://xpert.so/tools/x-account-value): Estimate what any X account is worth from live followers and engagement.
- [Best Time to Post](https://xpert.so/tools/best-time-to-post): See the posting windows that tend to earn the most reach, in your timezone.
- [X Earnings Calculator](https://xpert.so/tools/x-earnings-calculator): Estimate ad revenue share payouts from your monthly impressions.
- [Post Preview](https://xpert.so/tools/x-post-preview): See how a post will look in the timeline before you publish.
- [Tweet Screenshot](https://xpert.so/tools/tweet-screenshot): Turn a post into a clean image you can download and share.
- [Header Size Guide](https://xpert.so/tools/twitter-header-size): Get the right X header dimensions with a safe area guide.
- [Shadowban Check](https://xpert.so/tools/shadowban-check): Learn how to tell if your X account is shadowbanned, step by step.
- [Twitter Video Downloader](https://xpert.so/tools/twitter-video-downloader): Paste a post link and download its video in MP4, no login needed.
- [Text Formatter](https://xpert.so/tools/text-formatter): Add bold, italic, and more to posts using unicode characters.
- [Thread Reader](https://xpert.so/tools/thread-reader): Paste a thread and unroll it into one clean, readable block.
- [Follower Ratio Checker](https://xpert.so/tools/x-follower-ratio-checker): Check any account's following-to-followers ratio and what it signals.
- [Posts Per Day Checker](https://xpert.so/tools/x-posts-per-day-checker): See how often any account really posts, plus their busiest day.
- [Profile Picture Downloader](https://xpert.so/tools/x-profile-picture-downloader): Download any X profile picture full size, plus the banner.
- [DM Link Generator](https://xpert.so/tools/twitter-dm-link-generator): Build a click-to-DM link for your X profile, with optional prefilled text.

### Text generators
- [Bold Text Generator](https://xpert.so/tools/bold-text-generator): Type once, copy bold unicode text in sans serif and serif styles.
- [Italic Text Generator](https://xpert.so/tools/italic-text-generator): Turn plain text into italic unicode you can paste into any post.
- [Cursive Text Generator](https://xpert.so/tools/cursive-text-generator): Convert text to script-style cursive letters that paste anywhere.
- [Small Text Generator](https://xpert.so/tools/small-text-generator): Make tiny small caps and superscript text for posts and bios.
- [Upside Down Text Generator](https://xpert.so/tools/upside-down-text-generator): Flip your text upside down, letter by letter, ready to paste.
- [Strikethrough Text Generator](https://xpert.so/tools/strikethrough-text-generator): Cross out text with unicode strikethrough, plus an underline style.
- [Invisible Character](https://xpert.so/tools/invisible-character): Copy a blank invisible character for empty names and clean spacing.
- [Twitter Symbols](https://xpert.so/tools/twitter-symbols): Click to copy arrows, stars, hearts, checks, and more for your posts.

### LinkedIn tools
- [LinkedIn Character Counter](https://xpert.so/tools/linkedin-character-counter): Live counts for posts, headlines, and About against LinkedIn limits.
- [LinkedIn Banner Size Guide](https://xpert.so/tools/linkedin-banner-size): The exact 1584 x 396 banner dimensions with safe zones, plus every image size.
- [LinkedIn Text Formatter](https://xpert.so/tools/linkedin-text-formatter): Bold, italic, and bullet styles for LinkedIn posts using unicode characters.

## Creator profiles (full data in markdown)
Analyzed X (Twitter) creator profiles with stats, archetype, posting rhythm and
voice. Each is available as clean markdown by appending `/md` to its URL.
Directory: https://xpert.so/creators/x
- [Matt Pocock (@mattpocockuk)](https://xpert.so/creators/x/mattpocockuk/md)
- [Patrick Collison (@patrickc)](https://xpert.so/creators/x/patrickc/md)
- [ILIAS ISM (@illyism)](https://xpert.so/creators/x/illyism/md)
- [@levelsio (@levelsio)](https://xpert.so/creators/x/levelsio/md)
- [Theo - t3.gg (@theo)](https://xpert.so/creators/x/theo/md)
- [Elon Musk (@elonmusk)](https://xpert.so/creators/x/elonmusk/md)
- [kitze (@thekitze)](https://xpert.so/creators/x/thekitze/md)
- [Sam Altman (@sama)](https://xpert.so/creators/x/sama/md)

## Blog (full text in markdown)
Every post is available as clean markdown by appending `/md` to its URL.
- [10 Ways to Strengthen Your Strategy on X](https://xpert.so/blog/10-ways-to-strengthen-your-strategy-on-x-61848/md): Strengthen your X strategy with 10 practical ways to improve positioning, content, replies, analytics, profile conversion, and growth in 2026.
- [The Best X (Twitter) Growth Tools to Increase Impressions in 2026](https://xpert.so/blog/the-best-x-twitter-growth-tools-to-increase-impressions-in-2026-79998/md)
- [2026 X Posting Secrets to Skyrocket Engagement](https://xpert.so/blog/2026-x-posting-secrets-to-skyrocket-engagement-30714/md): Discover eight current X posting secrets for more replies, reposts and bookmarks, backed by 2026 algorithm data and realistic engagement benchmarks.
- [2026 Complete Guide to Building Your X (Twitter) Audience](https://xpert.so/blog/2026-complete-guide-to-building-your-x-twitter-audience-15418/md): Build a relevant X audience in 2026 with current algorithm signals, realistic engagement benchmarks, content formats and a practical 30-day growth plan.
- [How Replying to Tweets Grows Your Account Faster](https://xpert.so/blog/how-replying-to-tweets-grows-your-account-faster-86995/md): Learn how replying to tweets drives profile visits and followers in 2026, with reply formats, daily targets, benchmarks and algorithm-backed tactics.
- [How to Grow a New X (Twitter) Account to 50K Followers](https://xpert.so/blog/how-to-grow-a-new-x-twitter-account-to-50k-followers-86369/md): Learn how to grow a new X account to 50K with a 2026 content, reply and collaboration strategy, realistic benchmarks and no fake follower tactics.
- [The X Algorithm's August 2026 Update: What the New Code Actually Reveals](https://xpert.so/blog/the-x-algorithms-august-2026-update-what-the-new-code-actually-reveals-54045/md)
- [When to Post on X (Twitter) for the Best Engagement in 2026](https://xpert.so/blog/when-to-post-on-x-twitter-for-the-best-engagement-in-2026-87553/md): Find the best time to post on X in 2026, with current data, day-by-day windows, benchmarks and a four-week timing test for your audience.
- [What Happens When You Block Someone on X (Twitter)](https://xpert.so/blog/what-happens-when-you-block-someone-on-x-twitter-49530/md): Blocked users can now see your public X posts since the 2024 rule change. Here's exactly what changes in 2026, from DMs to the algorithm's -3.0 block penalty.
- [Boost Video Engagement in 2026: A Practical Guide](https://xpert.so/blog/boost-video-engagement-in-2026-a-practical-guide-94561/md): Learn how to boost video engagement in 2026 with better hooks, retention tactics, captions, CTAs and realistic benchmarks for X and YouTube.
- [8+ Tips to Find the Best Time of the Day to Tweet in 2026](https://xpert.so/blog/8-tips-to-find-the-best-time-of-the-day-to-tweet-in-2026-65681/md): Find the best time to tweet in 2026 with real posting windows, audience tests, X algorithm context and a 30-day timing plan.
- [7 Signs a X (Twitter) Account Is Actually an AI Bot](https://xpert.so/blog/7-signs-a-x-twitter-account-is-actually-an-ai-bot-39483/md)
- [14+ Social Media Posting Best Practices for X (Twitter) in 2026](https://xpert.so/blog/14-social-media-posting-best-practices-for-x-twitter-in-2026-18000/md)
- [6+ Best Times to Tweet on X (Twitter) for Max Engagement in 2026](https://xpert.so/blog/6-best-times-to-tweet-on-x-twitter-for-max-engagement-in-2026-48917/md): When's the best time to tweet on X in 2026? Here are 7 specific, data-backed posting windows plus the 30-minute algorithm trick most guides skip.
- [9+ Proven Ways to Increase Followers on Twitter in 2026](https://xpert.so/blog/9-proven-ways-to-increase-followers-on-twitter-in-2026-43982/md): Real 2026 data on how to increase followers on Twitter, from the May algorithm update to realistic monthly growth benchmarks. No guesswork, no fake followers.
- [8 Proven Ways to Increase Followers on X (Twitter) in 2026](https://xpert.so/blog/8-proven-ways-to-increase-followers-on-x-twitter-in-2026-42180/md): X's own open-source code reveals what actually grows followers in 2026, from 150x reply weighting to the profile conversion gap. No guesswork.
- [10 X (Twitter) Growth Hacking Tips for 2026](https://xpert.so/blog/10-x-twitter-growth-hacking-tips-for-2026-56175/md): The real 2026 X growth hacks, from the 150x reply-chain weight to the link penalty. Backed by the open-source algorithm code, not guesswork.
- [Why You Shouldn't use AI to Post on X (Twitter)](https://xpert.so/blog/why-you-shouldnt-use-ai-to-post-on-x-twitter-52556/md): Raw AI posts get fewer replies and less trust on X in 2026. Here's the real algorithm and audience data behind why, and what to do instead.
- [9 Ways on How to Boost Your X (Twitter) Account Followers](https://xpert.so/blog/9-ways-on-how-to-boost-your-x-twitter-account-followers-33345/md): Real 2026 data on what actually boosts X followers, from profile conversion rates to reply weighting. No generic hacks, just what the algorithm rewards.
- [The Best X (Twitter) Growth Tools to Improve Your Visibility in 2026](https://xpert.so/blog/the-best-x-twitter-growth-tools-to-improve-your-visibility-in-2026-77415/md): Real 2026 data on which X growth tools boost visibility, from Premium's 10x reach gap to reply-weighted algorithm scoring. No bulk followers, no hype.
- [How to Grow a X (Twitter) Account from 0](https://xpert.so/blog/how-to-grow-a-x-twitter-account-from-0-18858/md): Starting an X account with zero followers? Here's the real 2026 algorithm data, benchmarks, and reply strategy that actually gets you unstuck.
- [Why Did My X (Twitter) Reach Suddenly Drop?](https://xpert.so/blog/why-did-my-x-twitter-reach-suddenly-drop-61379/md): X reach dropped overnight? Here's the exact 2026 algorithm causes, from link penalties to the creator diversity cap, and how to recover it fast.
- [X Articles: The Long-Form Feature Almost Nobody Uses](https://xpert.so/blog/x-articles-the-long-form-feature-almost-nobody-uses-57938/md): X Articles gets under 300k eligible users. Here's the real 2026 data on adoption, the algorithm, and whether it's worth using at all.
- [Does X Shadowban You? How to Check and Actually Fix It in 2026](https://xpert.so/blog/does-x-shadowban-you-how-to-check-and-actually-fix-it-in-2026-46496/md): Wondering if X is shadowbanning your posts? Here's the exact 2026 test, what the open-source algorithm reveals, and the fastest way to fix it.
- [How Much Does X Actually Pay Creators in 2026?](https://xpert.so/blog/how-much-does-x-actually-pay-creators-in-2026-34363/md): X pays creators $8-12 per million verified impressions in 2026, but real payout data shows most earn far less. Here's the actual breakdown.
- [How to Build a Personal Brand on X (Twitter) in 2026](https://xpert.so/blog/how-to-build-a-personal-brand-on-x-twitter-in-2026-94279/md): Here's how to build a personal brand on X in 2026 using the actual open-source algorithm weights, not guesswork or outdated advice.
- [How to Get More Replies on X (The Only Metric That Still Matters)](https://xpert.so/blog/how-to-get-more-replies-on-x-the-only-metric-that-still-matters-78311/md): Replies are worth 150x a like on X in 2026. Here's exactly what the algorithm rewards and how to write posts that actually get conversation going.
- [How to Build a Strategy That Helps You Grow on X (Twitter)](https://xpert.so/blog/how-to-build-a-strategy-that-help-you-grow-on-x-twitter-14125/md): Build an X growth strategy using the real 2026 algorithm weights, from GitHub's open-source code to what actually earns replies and reach.
- [The Best X (Twitter) Tools in 2026](https://xpert.so/blog/the-best-x-twitter-tools-in-2026-29193/md)
- [X (Twitter) vs LinkedIn: Which Platform Should You Focus On in 2026?](https://xpert.so/blog/x-twitter-vs-linkedin-which-platform-should-you-focus-on-in-2026-52131/md)
- [X (Twitter) Hashtags: Do They Still Work in 2026?](https://xpert.so/blog/x-twitter-hashtags-do-they-still-work-in-2026-40076/md)
- [How to Use X (Twitter) Analytics to Grow Faster in 2026](https://xpert.so/blog/how-to-use-x-twitter-analytics-to-grow-faster-in-2026-94307/md)
- [How the X (Twitter) Algorithm Works in 2026: The Complete Guide](https://xpert.so/blog/how-the-x-twitter-algorithm-works-in-2026-the-complete-guide-47977/md)
- [The Best Times to Post on X (Twitter) in 2026](https://xpert.so/blog/the-best-times-to-post-on-x-twitter-in-2026-61605/md)
- [How to Monetise Your X (Twitter) Following in 2026](https://xpert.so/blog/how-to-monetise-your-x-twitter-following-in-2026-54298/md)
- [How to Go from 0 to 1,000 Followers on X (Twitter)](https://xpert.so/blog/how-to-go-from-0-to-1-000-followers-on-x-twitter-90108/md)
- [X (Twitter) for Beginners: A Step-by-Step Guide to Getting Started](https://xpert.so/blog/x-twitter-for-beginners-a-step-by-step-guide-to-getting-started-37721/md)
- [6 Tips To Write Viral X (Twitter) Posts](https://xpert.so/blog/6-tips-to-write-viral-x-twitter-posts-38052/md)
- [The Complete Guide to Growing Followers on X (Twitter)](https://xpert.so/blog/the-complete-guide-to-growing-followers-on-x-twitter-29024/md)
- [How to Boost Your X (Twitter) Performance in 2026: The Complete Guide](https://xpert.so/blog/how-to-boost-your-x-twitter-performance-in-2026-the-complete-guide-72816/md)
- [How to Get Followers on X (Twitter) in 2026](https://xpert.so/blog/how-to-get-followers-on-x-twitter-in-2026-the-complete-guide-91702/md)

## Policies & discovery
- Crawl rules: https://xpert.so/robots.txt (all crawlers and AI agents are welcome).
- Sitemap: https://xpert.so/sitemap.xml

## Notes for agents
- The marketing site (https://xpert.so) is public and fully crawlable.
- The product app (https://app.xpert.so) is behind X authentication; app pages
  require a signed-in session and are not part of the public crawl surface.