{"type":"post","id":"locating-the-source-of-a-mysterious-beep-with-61e58e","slug":"locating-the-source-of-a-mysterious-beep-with-61e58e","title":"Locating the source of a mysterious beep with Claude","description":"Simon Willison built Beep Locator with Claude Code to find an intermittent beep using several phones, tablets and computers as synchronized listeners.","retrieval_nugget":"Simon Willison built Beep Locator with Claude Code to find an intermittent beep using several phones, tablets and computers as synchronized listeners.","published_at":"2026-11-10","updated_at":"2026-11-10","record_date":"2026-11-10","date_kind":"published_at","topics":["claude","claude-code"],"entities":["Simon Willison","Claude Code","Opus 5.5","Fable 5.2","Beep Locator","BeepBeep"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"Simon Willison used Claude Code to build Beep Locator, a multi-device system for estimating the location of an intermittent beep.","prior_refs":["https://newruntime.com/posts/simon-willison-claude-opus-5-5-marks-an-6d2922/"],"source_url":"https://simonwillison.net/2026/Nov/9/mysterious-beeps","source_urls":["https://simonwillison.net/2026/Nov/9/mysterious-beeps"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:locating-the-source-of-a-mysterious-beep-with-61e58e","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/locating-the-source-of-a-mysterious-beep-with-61e58e/","markdown":"https://newruntime.com/posts/locating-the-source-of-a-mysterious-beep-with-61e58e.md","json":"https://newruntime.com/posts/locating-the-source-of-a-mysterious-beep-with-61e58e.json"},"markdown_url":"https://newruntime.com/posts/locating-the-source-of-a-mysterious-beep-with-61e58e.md","next_reads":[{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/claude-code/","url":"https://newruntime.com/topics/claude-code/","title":"Claude Code","reason":"Explore the claude-code topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude-code.md","json_url":"https://newruntime.com/topics/claude-code.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}