rtrvr.ai
Browser ExtensionStart in Chrome, on the page you're on.CloudA thousand browsers, on your schedule.RoverThe AI customer engineer for your product.Data & EvalsExpert trajectories for AI labs.
ACCESSAPI + MCPCLI & SDKTemplatesIntegrationsWhatsApp
Use cases
Vibe ScrapingLead EnrichmentWeb MonitoringForm FillingJob ApplicationsSocial MediaAI Web ContextAgentic CheckoutAll use cases
Pricing
BlogLaunches, benchmarks, deep divesDocsExtension, Cloud, API, MCP, CLICase StudiesReal teams, real runsVideosNew runs every weekChangelogWhat just shippedNewslettersProduct releases and real runs
Docs
Log inBook DemoAdd to Chrome
Log in
Menu
Add to ChromeBook a demo
ProductsBrowser ExtensionCloudRoverData & EvalsExploreUse casesPricingResourcesDocs

Opening template…

rtrvr.ai

Make every site
work for you.

Launches first, roadmap early, and the occasional trick we only share by email.

Products

Browser ExtensionCloudRoverData & Evals

Use cases

Vibe ScrapingLead EnrichmentForm FillingWeb MonitoringSocial MediaJob ApplicationsData MigrationAI Web ContextAgentic Checkout

Resources

DocsBlogData for AI LabsCase StudiesVideosNewslettersChangelogPricingAppSumoDemoAffiliate

Company

TeamContactGCP PartnerWhat We BelieveSecurityPrivacyTerms

Developers

APIMCPCLI & SDKTemplatesIntegrationsWhatsApp

Compare

ApifyBardeenBrowserbaseBrowser UseClayClaudeCometFirecrawl
Products
Browser ExtensionCloudRoverData & Evals
Use cases
Vibe ScrapingLead EnrichmentForm FillingWeb MonitoringSocial MediaJob ApplicationsData MigrationAI Web ContextAgentic Checkout
Resources
DocsBlogData for AI LabsCase StudiesVideosNewslettersChangelogPricingAppSumoDemoAffiliate
Company
TeamContactGCP PartnerWhat We BelieveSecurityPrivacyTerms
Developers
APIMCPCLI & SDKTemplatesIntegrationsWhatsApp
Compare
ApifyBardeenBrowserbaseBrowser UseClayClaudeCometFirecrawl
BACKED BYNVIDIA InceptionGoogle Cloud for StartupsBright DataNEC XSalesforce LaunchpadElevenLabs GrantsGMI CloudComposioSmallest.ai Grants
DISCOVERYllms.txtllms-full.txtagents.mdDocumentation indexSitemapOpenAPIAI Catalog
© 2026 rtrvr.ai
DiscordYouTubeInstagramTikTokLinkedInXGitHub
support@rtrvr.ai
Back to templates

COMMENTS TEMPLATE

Reply to an X post

Write and publish a reply that responds to the X post you choose.

RUNS INYour signed-in browser
SETUP5 details to add
WHAT YOU GET03 PARTS
  1. 01Reply based on the post
  2. 02Concise supporting point
  3. 03Published reply link
EXAMPLE INPUTReply to a customer’s product announcement

SET UP YOUR RUN

Add the details. Check the result. Run it.

No code needed.
01

Tell rtrvr what to use

Required details are marked. The example text shows the expected format.

Add exact copy, or leave it blank for rtrvr to draft from the post.

02

Choose where it runs

Cloud uses a fresh managed browser. The extension uses the sites you are already signed into.

Your browser is required. This template needs a site where you are signed in.

Choose a browser

Pick a browser where the rtrvr extension is online.

Get the extension
Finish setup in your browser
  1. Install the extension
  2. Sign in to rtrvr
  3. Come back and choose the browser
ONE MORE STEP

Add the required details to continue.

WHAT HAPPENS NEXT

From setup to finished result.

  1. 01

    rtrvr opens the right sites. It uses Cloud or the signed-in browser you chose.

  2. 02

    The browser does the job. You can follow the run and step in if a site asks for help.

  3. 03

    You get the result. The output above is the shape to expect.

ADVANCEDRequest JSONOptional

Exact request sent to the run panel.

REQUEST.JSON
{
  "source": "retrieve",
  "template": {
    "id": "x_commenter",
    "slug": "x-commenter",
    "name": "X/Twitter Commenter",
    "categoryId": "SOCIAL_ENGAGE"
  },
  "inputs": {
    "tweetUrl": "",
    "replyText": "",
    "replyStyle": "smart",
    "replyAngle": "",
    "autoPost": true
  },
  "agentHint": "You are replying to a tweet on X/Twitter. Adapt to the actual UI you encounter.\n\n**TASK CONFIGURATION:**\n- Tweet URL: \n- User's Reply: \n- Style: smart\n- Angle: \n- Auto-post: true\n\n---\n\n## STEP 1: NAVIGATE TO TWEET\n\n1. Go to \n2. Wait for tweet to fully load\n3. If not logged in, STOP and report authentication required\n4. If tweet not found/deleted, report error\n\n---\n\n## STEP 2: READ & UNDERSTAND THE TWEET\n\n**Analyze the tweet:**\n- Full tweet content\n- Author and their context\n- Any media, links, or quoted tweets\n- Thread context (is this part of a thread?)\n- Existing replies (note the conversation tone)\n- Engagement level (likes, retweets, replies)\n\n---\n\n## STEP 3: PREPARE REPLY\n\n### IF user provided replyText:\nUse this reply exactly:\n```\n\n```\n\n**VALIDATION:**\n- X replies have a 280 character limit\n- If reply exceeds 280 chars: STOP and report \"Reply exceeds 280 character limit ( chars). Please shorten.\"\n- Count characters accurately (URLs count as 23 chars)\n\n### IF replyText is empty - GENERATE REPLY:\n\n**Generate a smart reply that:**\n\n1. **Responds to their specific point**\n   - Reference what they actually said\n   - Don't just agree generically\n\n2. **Follows the angle:**\n   \"\"\n\n3. **Matches the style:**\n   - smart: Insightful observation, add perspective\n   - witty: Clever, funny (but not try-hard)\n   - question: Genuine question that invites response\n   - data: Add relevant fact, stat, or source\n   - contrarian: Respectful pushback with reasoning\n   - supportive: Amplify with specific agreement\n\n4. **X reply format:**\n   - Punchy and concise\n   - Under 280 characters (ideally under 200)\n   - NO hashtags (looks desperate in replies)\n   - Minimal emojis unless the vibe calls for it\n\n---\n\n## STEP 4: POST OR PREVIEW\n\n1. Find the reply input area\n2. Click to focus (may need to click \"Reply\" first)\n3. Type or paste the reply\n\n### IF true === true:\n4. Find and click the reply/post button\n5. Wait for reply to appear in thread\n6. Capture reply URL if possible\n\n### IF true === false:\n4. Leave reply in input field\n5. Report ready for review\n\n---\n\n## STEP 5: REPORT RESULTS\n\n```json\n{\n  \"success\": true|false,\n  \"originalTweet\": \"<summary of the tweet>\",\n  \"tweetAuthor\": \"\",\n  \"replyText\": \"<the reply used>\",\n  \"replySource\": \"provided|generated\",\n  \"characterCount\": <number>,\n  \"withinLimit\": true|false,\n  \"status\": \"posted|ready_for_review|failed|over_limit\",\n  \"replyUrl\": \"<if posted>\",\n  \"errorMessage\": \"<if failed>\"\n}\n```\n\n---\n\n## CHARACTER LIMIT HANDLING\n\n- STRICT 280 character limit on X\n- Always count characters before posting\n- If over limit: DO NOT truncate without user consent\n- Report exact count and ask user to revise\n\n## ADAPTIVE UI HANDLING\n\n- Reply button may be icon or text\n- Reply compose area may be inline or modal\n- Thread context affects how reply appears",
  "userInput": "You are replying to a tweet on X/Twitter. Adapt to the actual UI you encounter.\n\n**TASK CONFIGURATION:**\n- Tweet URL: \n- User's Reply: \n- Style: smart\n- Angle: \n- Auto-post: true\n\n---\n\n## STEP 1: NAVIGATE TO TWEET\n\n1. Go to \n2. Wait for tweet to fully load\n3. If not logged in, STOP and report authentication required\n4. If tweet not found/deleted, report error\n\n---\n\n## STEP 2: READ & UNDERSTAND THE TWEET\n\n**Analyze the tweet:**\n- Full tweet content\n- Author and their context\n- Any media, links, or quoted tweets\n- Thread context (is this part of a thread?)\n- Existing replies (note the conversation tone)\n- Engagement level (likes, retweets, replies)\n\n---\n\n## STEP 3: PREPARE REPLY\n\n### IF user provided replyText:\nUse this reply exactly:\n```\n\n```\n\n**VALIDATION:**\n- X replies have a 280 character limit\n- If reply exceeds 280 chars: STOP and report \"Reply exceeds 280 character limit ( chars). Please shorten.\"\n- Count characters accurately (URLs count as 23 chars)\n\n### IF replyText is empty - GENERATE REPLY:\n\n**Generate a smart reply that:**\n\n1. **Responds to their specific point**\n   - Reference what they actually said\n   - Don't just agree generically\n\n2. **Follows the angle:**\n   \"\"\n\n3. **Matches the style:**\n   - smart: Insightful observation, add perspective\n   - witty: Clever, funny (but not try-hard)\n   - question: Genuine question that invites response\n   - data: Add relevant fact, stat, or source\n   - contrarian: Respectful pushback with reasoning\n   - supportive: Amplify with specific agreement\n\n4. **X reply format:**\n   - Punchy and concise\n   - Under 280 characters (ideally under 200)\n   - NO hashtags (looks desperate in replies)\n   - Minimal emojis unless the vibe calls for it\n\n---\n\n## STEP 4: POST OR PREVIEW\n\n1. Find the reply input area\n2. Click to focus (may need to click \"Reply\" first)\n3. Type or paste the reply\n\n### IF true === true:\n4. Find and click the reply/post button\n5. Wait for reply to appear in thread\n6. Capture reply URL if possible\n\n### IF true === false:\n4. Leave reply in input field\n5. Report ready for review\n\n---\n\n## STEP 5: REPORT RESULTS\n\n```json\n{\n  \"success\": true|false,\n  \"originalTweet\": \"<summary of the tweet>\",\n  \"tweetAuthor\": \"\",\n  \"replyText\": \"<the reply used>\",\n  \"replySource\": \"provided|generated\",\n  \"characterCount\": <number>,\n  \"withinLimit\": true|false,\n  \"status\": \"posted|ready_for_review|failed|over_limit\",\n  \"replyUrl\": \"<if posted>\",\n  \"errorMessage\": \"<if failed>\"\n}\n```\n\n---\n\n## CHARACTER LIMIT HANDLING\n\n- STRICT 280 character limit on X\n- Always count characters before posting\n- If over limit: DO NOT truncate without user consent\n- Report exact count and ask user to revise\n\n## ADAPTIVE UI HANDLING\n\n- Reply button may be icon or text\n- Reply compose area may be inline or modal\n- Thread context affects how reply appears",
  "urls": [],
  "meta": {
    "createdAt": "",
    "userAgent": ""
  },
  "execution": {
    "mode": "device",
    "deviceIds": []
  }
}

MORE STARTING POINTS

Other templates for comments.

See all templates
COMMENTSComment on a LinkedIn post

Write and publish a comment that responds to the LinkedIn post you choose.

COMMENTSComment on an Instagram post

Write and publish a comment that responds to the Instagram post you choose.

COMMENTSComment on a YouTube video

Write and publish a comment that responds to the video you choose.