I Built a Chrome Extension That Generates AI Replies for LinkedIn, X and Threads — Here's What I Learned

May 24, 2026 · 11:10 AM UTC ·3 min read · 0 reactions · 0 comments · 34 views

#chromeextension #ai #saas #technology #development

TL;DR · WeSearch summary

The article discusses the development of a Chrome extension called Replygen, designed to generate AI-driven replies for social media platforms like LinkedIn, X, and Threads. The author shares insights on the technical challenges faced during the creation process, including issues with platform updates and user engagement. Key improvements were made to enhance user experience and reduce operational costs.

Key facts

▪Replygen was built to help users generate context-aware replies quickly on social media.
▪The extension faced challenges due to frequent updates on the platforms, requiring constant adjustments to selectors.
▪User feedback led to significant changes in the reply generation process, improving retention rates.

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DEV.to (Top) files mainly under programming. We currently carry 4,924 of its stories.

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Record

Original publisher	DEV.to (Top)
Canonical URL	https://dev.to/replygen/i-built-a-chrome-extension-that-generates-ai-replies-for-linkedin-x-and-threads-heres-what-i-55gl
Publication time	Sun, 24 May 2026 11:10:04 +0000
Retrieval time	2026-05-24T11:37:32.397Z
Last seen	2026-05-24T11:37:32.397Z
Headline source	Publisher (no WeSearch rewrite)
Excerpt source	publisher body
Excerpt method	First ~120 words (~800 chars) of extracted publisher body, fair-use limited.
Summary	WeSearch · cerebras-chat (WeSearch summarizer)
Summary source text	contentText
Citation coverage	Summary is a WeSearch-generated derivative; primary citation is the original publisher URL.
Cluster	2RSD7IA7jTq6 · 2 stories
Cluster logic	Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison.
Ranking reason	Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking.
Publisher visit	Yes — open original
Substitutes article?	No — link-out required for full text

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Unknown

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WeSearch handling by dimension

Indexing	May the item be indexed (stored, ranked, made findable)?	Allowed
Snippet	May a short excerpt of the publisher's text be shown?	Allowed
AI summary	May WeSearch generate its own short summary of the article?	Limited
Retrieval / RAG	May the content be exposed for third-party retrieval-augmented generation?	Not asserted
Model training	May the content be used to train AI models?	Not asserted
Commercial reuse	May the content be reused commercially?	Not permitted

Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.

Open original publisher → Source rights JSON → Machine-readable provenance → Rights framework → WESEARCH-STORY-PROVENANCE-V1

Opening excerpt (first ~120 words) tap to expand

try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3948860) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Tanuj Posted on May 24 I Built a Chrome Extension That Generates AI Replies for LinkedIn, X and Threads — Here's What I Learned #chromeextension #ai #saas #buildinpublic Building Replygen started as a personal itch. As a solo SaaS founder, I needed to stay consistently active on LinkedIn, X, and Threads to drive organic distribution — but crafting thoughtful replies at scale was burning time I didn't have.

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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).

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