{"slug": "claude-in-chrome", "name": "Claude in Chrome", "category": "browsers", "category_name": "Browsers and extensions", "description": "", "recommenders": 3, "commenters": 9, "warners": 2, "score": 1.852, "rising": -0.98, "first": "2025-12-20", "latest": "2026-10-19", "why": "I used this to figure out a Cloudflare setting by navigating their dashboard for me, it worked well", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 3, "neutral": 4, "compare": 0, "warn": 2}, "spark": [0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], "listed": true, "loved": [], "caveat": "", "short_quote": "I used this to figure out a Cloudflare setting by navigating their dashboard for me, it worked well", "icon": true, "domain": "simonwillison.net", "github_repo": null, "official_url": "https://simonwillison.net", "pricing": "", "aliases": ["Claude in Chrome", "Claude-in-Chrome"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 741884336, "item_id": 46367771, "url": "https://news.ycombinator.com/item?id=46367771", "by": "simonw", "date": "2025-12-23", "stance": "recommend", "quote": "I used this to figure out a Cloudflare setting by navigating their dashboard for me, it worked well", "excerpt": "I used this to figure out a Cloudflare setting by navigating their dashboard for me, it worked well: https://simonwillison.net/2025/Dec/22/claude-chrome-cloudflare/", "context": "", "use_case": "navigating Cloudflare dashboard", "switched_from": "", "story": "Claude in Chrome"}, {"id": 741544946, "item_id": 46346559, "url": "https://news.ycombinator.com/item?id=46346559", "by": "yoan9224", "date": "2025-12-21", "stance": "recommend", "quote": "Works great for QA testing and filling out repetitive web forms.", "excerpt": "The security concerns here are valid, but I think people are missing the practical reality: we've already crossed the Rubicon with tools like Claude Code and Playwright MCP. I've been running Claude Code with full system access for months - it can already read files, execute bash, git commit, push code. Adding browser automation via an extension is actually less risky than what we're already doing with terminal acces", "context": "", "use_case": "QA testing and filling forms", "switched_from": "", "story": "Claude in Chrome"}, {"id": 741527840, "item_id": 46345490, "url": "https://news.ycombinator.com/item?id=46345490", "by": "fathermarz", "date": "2025-12-21", "stance": "recommend", "quote": "I love the new extension for two reasons.", "excerpt": "Being a person who is skeptical of MCP connectors, I love the new extension for two reasons. 1. It\u2019s happening on my machine, in the browser I would use to access my accounts, not a middleman that is given access to my accounts. 2. Scheduling! This is a god send to be able to get a digest of everything I need to know for the day. Pop open my apps that I would start my day with anyways and summarize all the shit I hav", "context": "skeptical of MCP connectors", "use_case": "daily digest and scheduled tasks", "switched_from": "", "story": "Claude in Chrome"}]}], "caveats": [{"label": "", "summary": "", "quotes": [{"id": 785804865, "item_id": 49112804, "url": "https://news.ycombinator.com/item?id=49112804", "by": "carloslfu", "date": "2026-07-30", "stance": "warn", "quote": "It seems to not work well in the second account.", "excerpt": "appreciate you building this! I have two Claude max accounts. The way I do it is that I have two app launchers (claude desktop). I use the desktop app and a different data directory for each launcher like `open -n -a /Applications/Claude.app --args --user-data-dir=\"<its profile directory>\"`. I got my first Claude to make me two different launchers for the two apps, and it's been working perfectly. wdyt? The only prob", "context": "has two Claude Max accounts", "use_case": "browser extension with second account", "switched_from": "", "story": "Show HN: Claude-account \u2013 switch Claude Code accounts without logging in again"}, {"id": 741470704, "item_id": 46341919, "url": "https://news.ycombinator.com/item?id=46341919", "by": "prescriptivist", "date": "2025-12-20", "stance": "warn", "quote": "this is light years behind other Anthropic products in terms of efficacy", "excerpt": "I used this in earnest yesterday on my Zillow saved listings. I prompted it to analyze the listings (I've got about 70 or so saved) and summarize the most recent price drops for each one and it mostly failed at the task. It gave the impression that it paginated through all the listings, but I don't think it actually did. I think the mechanism by which it works, which is to click links and take screenshots and analyze", "context": "reformed AI skeptic", "use_case": "analyzing Zillow listings", "switched_from": "", "story": "Claude in Chrome"}]}], "who": [{"by": "paid_dot_expert", "context": "on $100/m Claude sub", "url": "https://news.ycombinator.com/item?id=50151055", "date": "2026-10-19"}, {"by": "fathermarz", "context": "skeptical of MCP connectors", "url": "https://news.ycombinator.com/item?id=46345490", "date": "2025-12-21"}], "tags": [], "use_cases": ["browser agent", "validating ux", "extracting reasoning traces", "agent loops with screenshots", "browser extension with second account", "navigating cloudflare dashboard"], "compared": [{"slug": "claude-code", "name": "Claude Code", "co": 2, "switched_from": 0, "switched_to": 0}], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=46339777", "title": "Claude in Chrome", "mentions": 4}, {"url": "https://news.ycombinator.com/item?id=50145507", "title": "If you don't run your own LLM proxy, how do you know whats going on?", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49351020", "title": "Show HN: Argus, agentic QA for teams whose coding agents move faster than QA", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49257876", "title": "Stealing Reasoning Traces from Proprietary LLM APIs", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49207770", "title": "Generative \"AI\": The Guitar Hero of Creativity", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49111019", "title": "Show HN: Claude-account \u2013 switch Claude Code accounts without logging in again", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {"warn": 1, "recommend": 3}, "2026-01": {}, "2026-02": {}, "2026-03": {}, "2026-04": {}, "2026-05": {}, "2026-06": {}, "2026-07": {"warn": 1}, "2026-08": {"neutral": 3}, "2026-09": {}, "2026-10": {"neutral": 1}}, "quotes": [{"id": 802416881, "item_id": 50151055, "url": "https://news.ycombinator.com/item?id=50151055", "by": "paid_dot_expert", "date": "2026-10-19", "stance": "neutral", "quote": "Excludes work done on local and Claude Chrome plugin.", "excerpt": "Asked Pi what I used last 3 days. \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 UTC day \u2502 Cost \u2502 \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 \u2502 Oct 16 \u2502 $2.72 \u2502 \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 \u2502 Oct 17 \u2502 $300.82 \u2502 \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 \u2502 Oct 18 \u2502 $208.72 \u2502 \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 \u2502 Oct 19 (so far) \u2502 $208.29 \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 I am on $100/m sub. Oct 16 I switched machine Excludes work done on local and Claude Chrome plug", "context": "on $100/m Claude sub", "use_case": "browser agent", "switched_from": "", "story": "If you don't run your own LLM proxy, how do you know whats going on?"}, {"id": 789625538, "item_id": 49351596, "url": "https://news.ycombinator.com/item?id=49351596", "by": "debarshri", "date": "2026-08-18", "stance": "neutral", "quote": "We do this with codex or claude in chrome and validate the UX.", "excerpt": "I dont this is top most priority. We do this with codex or claude in chrome and validate the UX. I think BDD is going to be back in style for agent generate code. When you generate at scale discovering, maintaining and scaling test is the major problem, thats why were katana [1] a behavior driven testinf utility thay discovers behavior and maintain, generates test cases. [1] https://github.com/adaptive-scale/katana", "context": "", "use_case": "validating UX", "switched_from": "", "story": "Show HN: Argus, agentic QA for teams whose coding agents move faster than QA"}, {"id": 788191937, "item_id": 49261996, "url": "https://news.ycombinator.com/item?id=49261996", "by": "EagleEdge", "date": "2026-08-11", "stance": "neutral", "quote": "I ask claude chrome add-in to go through all those thinking from the side bar", "excerpt": "I used to do a very coarse version of this stealing. I ask a question from ChatGPT pro, once it is done, I ask claude chrome add-in to go through all those thinking from the side bar, extract everything along with all the sources used. Then try to reverse engineer the solution it came up with.", "context": "", "use_case": "extracting reasoning traces", "switched_from": "", "story": "Stealing Reasoning Traces from Proprietary LLM APIs"}, {"id": 787363618, "item_id": 49210226, "url": "https://news.ycombinator.com/item?id=49210226", "by": "neomantra", "date": "2026-08-07", "stance": "neutral", "quote": "I used Claude-in-Chrome to do some loops where Claude positioned the Camel and could screenshot it.", "excerpt": "I'm making a LED Camel Totem for Burning Man. I had the idea to make a Koons-style balloon animal. I explored this idea with ChatGPT, asking it to make some reference images. I also asked for some prompt generation. I have weak sketching abilities (it's on my list to improve), so this is how I \"storyboard\". To be cheeky, I asked Claude to make balloon simulator from which I could eventually drop into Fusion360 to muc", "context": "", "use_case": "agent loops with screenshots", "switched_from": "", "story": "Generative \"AI\": The Guitar Hero of Creativity"}, {"id": 785804865, "item_id": 49112804, "url": "https://news.ycombinator.com/item?id=49112804", "by": "carloslfu", "date": "2026-07-30", "stance": "warn", "quote": "It seems to not work well in the second account.", "excerpt": "appreciate you building this! I have two Claude max accounts. The way I do it is that I have two app launchers (claude desktop). I use the desktop app and a different data directory for each launcher like `open -n -a /Applications/Claude.app --args --user-data-dir=\"<its profile directory>\"`. I got my first Claude to make me two different launchers for the two apps, and it's been working perfectly. wdyt? The only prob", "context": "has two Claude Max accounts", "use_case": "browser extension with second account", "switched_from": "", "story": "Show HN: Claude-account \u2013 switch Claude Code accounts without logging in again"}, {"id": 741884336, "item_id": 46367771, "url": "https://news.ycombinator.com/item?id=46367771", "by": "simonw", "date": "2025-12-23", "stance": "recommend", "quote": "I used this to figure out a Cloudflare setting by navigating their dashboard for me, it worked well", "excerpt": "I used this to figure out a Cloudflare setting by navigating their dashboard for me, it worked well: https://simonwillison.net/2025/Dec/22/claude-chrome-cloudflare/", "context": "", "use_case": "navigating Cloudflare dashboard", "switched_from": "", "story": "Claude in Chrome"}, {"id": 741544946, "item_id": 46346559, "url": "https://news.ycombinator.com/item?id=46346559", "by": "yoan9224", "date": "2025-12-21", "stance": "recommend", "quote": "Works great for QA testing and filling out repetitive web forms.", "excerpt": "The security concerns here are valid, but I think people are missing the practical reality: we've already crossed the Rubicon with tools like Claude Code and Playwright MCP. I've been running Claude Code with full system access for months - it can already read files, execute bash, git commit, push code. Adding browser automation via an extension is actually less risky than what we're already doing with terminal acces", "context": "", "use_case": "QA testing and filling forms", "switched_from": "", "story": "Claude in Chrome"}, {"id": 741527840, "item_id": 46345490, "url": "https://news.ycombinator.com/item?id=46345490", "by": "fathermarz", "date": "2025-12-21", "stance": "recommend", "quote": "I love the new extension for two reasons.", "excerpt": "Being a person who is skeptical of MCP connectors, I love the new extension for two reasons. 1. It\u2019s happening on my machine, in the browser I would use to access my accounts, not a middleman that is given access to my accounts. 2. Scheduling! This is a god send to be able to get a digest of everything I need to know for the day. Pop open my apps that I would start my day with anyways and summarize all the shit I hav", "context": "skeptical of MCP connectors", "use_case": "daily digest and scheduled tasks", "switched_from": "", "story": "Claude in Chrome"}, {"id": 741470704, "item_id": 46341919, "url": "https://news.ycombinator.com/item?id=46341919", "by": "prescriptivist", "date": "2025-12-20", "stance": "warn", "quote": "this is light years behind other Anthropic products in terms of efficacy", "excerpt": "I used this in earnest yesterday on my Zillow saved listings. I prompted it to analyze the listings (I've got about 70 or so saved) and summarize the most recent price drops for each one and it mostly failed at the task. It gave the impression that it paginated through all the listings, but I don't think it actually did. I think the mechanism by which it works, which is to click links and take screenshots and analyze", "context": "reformed AI skeptic", "use_case": "analyzing Zillow listings", "switched_from": "", "story": "Claude in Chrome"}]}