Blog
Notes on AI agents, the harness around them, Ruby on Rails, and the things I build.
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ExtensionDash Is Now in the ChatGPT Plugin Store
ExtensionDash MCP is now in the ChatGPT plugin store: research Chrome and Firefox extensions, compare competitors, and review your keyword rankings from a conversation.
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Engagement Rate Calculator: Instagram ER and the Posts That Beat It
Engagement Rate Calculator shows any Instagram profile's engagement rate with a benchmark for its size, reel views, and an outlier score for every post, right on the profile, with no account and no server.
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index_now: Telling Search Engines What Changed
index_now is a small Rails engine that reads your app's own sitemap and announces to IndexNow only the pages whose lastmod moved, once each, without ever failing the deploy or job that called it.
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dataforseo-ruby: A Client That Respects the Bill
dataforseo-ruby is a small, dependency-free Ruby client for DataForSEO, built around one fact about a paid API: every request costs money, including the ones that fail.
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Decibel Meter: A Sound Level Meter in the Browser
Decibel Meter turns your computer's microphone into a sound level meter: live dB(A), min, Leq and max, a noise alert and a CSV log, in a small window of its own.
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ExtensionDash: Tracking an Extension From the Agent
ExtensionDash records where your browser extension ranks in the Chrome and Firefox stores every day, and serves the whole history to your agent over MCP. It is free during the beta and I would like people to break it.
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Stackpeek: See What a Shopify Store Is Built With
Stackpeek is a Chrome extension that names the theme and the apps behind any Shopify storefront, with the fingerprint database on the server instead of in the bundle.
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McpLogs: Seeing What the Agent Actually Called
McpLogs is a mountable Rails engine that records every MCP request your app serves — arguments, response, timing — and renders your tool contract as live documentation.
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Putting an Agent in the Room: Installing Buzz
I installed Buzz — Block's open-source, Nostr-based workspace for humans and agents — connected a Hermes agent, and spent the afternoon debugging a real bug alongside two agents in the same channel.
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Reverse Image Search Anywhere, Now in Seven Languages
Version 0.6.0 of the Reverse Image Search Anywhere browser extension adds full localization in seven languages — and the reverseimage.app site now speaks them too.