# UTMI — Unified TOON Meta-Index # Site: https://johnbrennan.xyz # Generated: 2026-03-16T02:50:44.660Z # Format: tabular array ## Crawl Control User-agent: GPTBot Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: ChatGPT-User Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: ClaudeBot Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: Claude-Web Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: Claude-search Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: PerplexityBot Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: Google-Extended Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: Applebot-Extended Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: cohere-ai Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: Bytespider Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: CCBot Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: Amazonbot Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: anthropic-ai Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: Meta-ExternalAgent Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: Meta-ExternalFetcher Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: FacebookBot Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: Deepseekbot Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: OAI-Searchbot Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: DuckAssistBot Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / User-agent: NovaAct Allow: /llms.txt Allow: /utmi.toon Allow: /essays/*.md Allow: /essays/*.txt Allow: /infographic/*.md Allow: / ## Site Index {loc,lastmod,ai_priority,crawlable}: https://johnbrennan.xyz,2026-02-15,1.0,true https://johnbrennan.xyz/essays,2026-03-09,0.9,true https://johnbrennan.xyz/books,2026-02-15,0.7,true https://johnbrennan.xyz/apps,2026-02-15,0.7,true https://johnbrennan.xyz/about,2026-02-15,0.7,true https://johnbrennan.xyz/essay/can-claude-read-your-website,2026-03-09,0.8,true https://johnbrennan.xyz/essays/can-claude-read-your-website.md,2026-03-09,0.9,true https://johnbrennan.xyz/essay/veridread-and-lucent-surrender,2026-03-08,0.8,true https://johnbrennan.xyz/essays/veridread-and-lucent-surrender.md,2026-03-08,0.9,true https://johnbrennan.xyz/essay/building-the-cognitive-factory,2026-03-08,0.8,true https://johnbrennan.xyz/essays/building-the-cognitive-factory.md,2026-03-08,0.9,true https://johnbrennan.xyz/essay/the-churn-myth,2026-03-01,0.8,true https://johnbrennan.xyz/essays/the-churn-myth.md,2026-03-01,0.9,true https://johnbrennan.xyz/essay/engineering-the-sky-part-2,2026-02-15,0.8,true https://johnbrennan.xyz/essays/engineering-the-sky-part-2.md,2026-02-15,0.9,true https://johnbrennan.xyz/essay/engineering-the-sky,2026-02-08,0.8,true https://johnbrennan.xyz/essays/engineering-the-sky.md,2026-02-08,0.9,true https://johnbrennan.xyz/essay/thinking-faster-and-slow,2023-04-25,0.8,true https://johnbrennan.xyz/essays/thinking-faster-and-slow.md,2023-04-25,0.9,true https://johnbrennan.xyz/essay/petaflop-forecast,2023-03-06,0.8,true https://johnbrennan.xyz/essays/petaflop-forecast.md,2023-03-06,0.9,true https://johnbrennan.xyz/essay/outlier-ideas,2011-12-01,0.8,true https://johnbrennan.xyz/essays/outlier-ideas.md,2011-12-01,0.9,true https://johnbrennan.xyz/infographic/weight-and-launch-forecasts,2026-02-08,0.6,true https://johnbrennan.xyz/infographic/space-vs-terrestrial-power,2026-02-08,0.6,true https://johnbrennan.xyz/infographic/trl-performance-targets,2026-02-15,0.6,true ## AI Grounding {source,llm_url,summary,confidence}: https://johnbrennan.xyz/essay/can-claude-read-your-website,https://johnbrennan.xyz/essays/can-claude-read-your-website.md,A live case study in which Claude Opus 4.6 attempted to read three websites — johnbrennan.xyz; agentweekly.ai; and aitoonup.com — revealing which design patterns make content visible to AI agents and which leave sites completely dark.,0.9 https://johnbrennan.xyz/essay/veridread-and-lucent-surrender,https://johnbrennan.xyz/essays/veridread-and-lucent-surrender.md,Two new words for the epistemic risks of the AI era. Veridread is the dread that an AI answer looks right but you cannot verify it. Lucent surrender is the quiet moment you stop trying.,0.9 https://johnbrennan.xyz/essay/building-the-cognitive-factory,https://johnbrennan.xyz/essays/building-the-cognitive-factory.md,The firm is adding a second class of worker: the agentic employee. But intelligence alone is not the product—the harness is. The winners will redesign themselves into cognitive factories where humans steer; agents execute; and organizational architecture becomes the durable competitive edge.,0.9 https://johnbrennan.xyz/essay/the-churn-myth,https://johnbrennan.xyz/essays/the-churn-myth.md,Occupational churn is at historic lows; not historic highs. The real disruption is delayed productivity — and the organizational redesign required to unlock it; as shown by 150 years of GPT adoption.,0.9 https://johnbrennan.xyz/essay/engineering-the-sky-part-2,https://johnbrennan.xyz/essays/engineering-the-sky-part-2.md,The transition to orbital compute is an energy and thermodynamics problem. This analysis examines heat rejection; solar mass efficiency; launch economics; Wright's Law cost compression; and the technology readiness levels that govern the pace of industrialization.,0.9 https://johnbrennan.xyz/essay/engineering-the-sky,https://johnbrennan.xyz/essays/engineering-the-sky.md,How a million satellites could rewire launch; cloud computing; and global power — applying the Foresee; Forecast; Alert; and Warn framework to space-based data centers.,0.9 https://johnbrennan.xyz/essay/thinking-faster-and-slow,https://johnbrennan.xyz/essays/thinking-faster-and-slow.md,Before artificial intelligence there was intelligence. Wisdom is knowledge combined with discernment.,0.9 https://johnbrennan.xyz/essay/petaflop-forecast,https://johnbrennan.xyz/essays/petaflop-forecast.md,A look back at technology forecasts made in 2010; checking the progress of computing costs from supercomputers to cloud TPUs.,0.9 https://johnbrennan.xyz/essay/outlier-ideas,https://johnbrennan.xyz/essays/outlier-ideas.md,An examination of how intelligence organizations can better identify and leverage unconventional ideas.,0.9 https://johnbrennan.xyz/infographic/weight-and-launch-forecasts,https://johnbrennan.xyz/infographic/weight-and-launch-forecasts.md,Satellite mass trends and launch cost projections for orbital compute constellations.,0.8 https://johnbrennan.xyz/infographic/space-vs-terrestrial-power,https://johnbrennan.xyz/infographic/space-vs-terrestrial-power.md,Comparative analysis of orbital solar power delivery costs versus terrestrial renewable energy.,0.8 https://johnbrennan.xyz/infographic/trl-performance-targets,https://johnbrennan.xyz/infographic/trl-performance-targets.md,Technology readiness levels and subsystem performance benchmarks required for a 30% orbital cost advantage over terrestrial data centers.,0.8 ## Context Organization: Change Log Author: John Brennan URL: https://johnbrennan.xyz Description: Essays on technology forecasting, artificial intelligence, space-based computing, intelligence analysis, and generative engine optimization. Contact: https://johnbrennan.xyz/about LLM Directory: https://johnbrennan.xyz/llms.txt Sitemap: https://johnbrennan.xyz/sitemap.xml Sitemap (text): https://johnbrennan.xyz/sitemap.txt RSS: https://johnbrennan.xyz/rss.xml