πŸ’ͺ Mighty Brief

Sunday, March 29, 2026 β€” 7:14 AM CT

πŸ“… Today

β€’ Open Play 4.0 β€” Pure Pickleball Club, 9:00–11:00 AM
β€’ Visit Tanya β€” 11:45 AM–12:45 PM

⚑ Start Here

Anthropic's Mythos leak β€” "step change" model with unprecedented cyber risk

Fortune reports on leaked internal docs revealing Claude Mythos (Capybara tier). If this is real, it resets the capability ceiling for everything _M is building on. Keep eyes on Anthropic's response.

Fortune β†’

All-In E266: "It's all Anthropic all the time" β€” Chamath via 8090

Dense episode. Opus 4.6 called "first agentic model" by Jensen. Cloud Code plugins triggered "SaaS apocalypse" ($6B ARR in Feb). Sacks admires products but flags regulatory capture strategy. Revenue recognition makes OpenAI vs Anthropic comparisons misleading (75% consumer vs nearly opposite).

YouTube β†’ T3 T4 T5

Karri Saarinen (Linear): "If your agent doesn't live in the context, you are the context"

One-liner from Linear's CEO that Aaron Levie called "gold." This is the OpenClaw thesis in seven words. Also connects to his earlier thread on solo-builder vs enterprise AI discourse β€” the gap _M exists to bridge.

X β†’

APIs as agent portals β€” Kenneth Auchenberg shares @brandur's post

Programmatic access becomes critical infrastructure in the agent age. APIs aren't just developer tools anymore β€” they're how agents interact with the world. Direct line to the _M SDLC offering.

X β†’

Every: "Everyone Gets a Sidekick" + Q2 Demo Day

Every's framing of the agent wave as "everyone gets a sidekick" β€” consumer-friendly language for what you're building with OpenClaw + Squorum. Worth reading for the positioning, not just the content.

Every β†’

πŸ”— Capture Themes (last 48h)

Agent OS Convergence

Captures: Intercom's Apex vertical model (@eoghan), Fortune Mythos leak, ZDNet Codex plugins, Tencent/OpenClaw (The Information), Garry Tan on Boris/Claude Code

β†’ The platform layer is hardening. Vertical models beating frontier on domain tasks + agent frameworks going mainstream = the exact window _M is selling into. Every week the "why now" gets stronger.

Agent-OS-2026-03 T1 T2 T3

Enterprise AI Reality Check

Captures: @karrisaarinen solo-builder vs enterprise, @courtne on AI sales order-takers

β†’ Two angles on the same truth: enterprise AI adoption is harder than the timeline suggests, and the companies selling it often can't actually sell. _M's cowork model is the antidote β€” hands-on, not slide decks.

enterprise-ai-reality-2026-03 T1 T4

Operator Playbook

Captures: a16z SpaceX/Tesla hard-tech playbook, All-In E266 market structure

β†’ Decision velocity, requirements destruction, flat-org information flow β€” these are Wick.tech principles showing up in $100B companies. The a16z episode is a reference manual for how you already think.

hardtech-operator-playbook-2026-03 T1 T4

πŸ—οΈ Blank Metal

πŸ“Š Pipeline

HR&A Advisors β€” 160-person firm, 140 Claude seats provisioned πŸ”₯ PROPOSAL DUE TOMORROW
Tungsten Automation β€” Awaiting Celia Moore confirmation ⏳ Active
Sentinel Capital β€” Warmest PE lead, Yoni (Head of AI) ⏳ Active
Great Hill Partners β€” Cowork decision pending ⏳ Active
Orbis Investments β€” 94% ChatGPT Enterprise, targeting Claude for dev ⏳ Active
Care Providers of MN β€” PDF extraction, well-scoped ⏳ Active
Rally (Insurance Newco) β€” Chief Actuary left Palomar, warm self-ID ⏳ Active
Edmunds Govtech β€” AI expansion conversation ⏳ Active
PowerPusher β€” No activity since 3/19 ⚠️ 10d

πŸ‘₯ Team

No BM repo commits in last 24h (weekend). Thursday meetings were dense: SDLC service offering, HR&A intro call, Derrick Hanson pow-wow, Cowork training prep.

⚑ Dan's Plate

🧠 Munger Observer (March 26)

Opportunity Cost / Sunk Cost: Two tasks (Vibma, multi-model research SOTA) have been due since March 1 β€” 25 days overdue. Invert: if they haven't been done in 25 days, ask whether they should be done at all. Overdue todos that stay overdue are decisions pretending to be deferrals.

Second-Order: Meeting Compression. Thursday stacked 5 meetings before noon. First-order = get the meetings done. Second-order = every meeting is a commitment factory. Who's capturing what was promised before the next sprint of meetings lands?

"Invert, always invert." β€” Jacobi (Munger's favorite)

πŸ’­ Personal Thought

Karri's "if your agent doesn't live in the context, you are the context" is the most compressed version of the _M thesis I've seen from someone outside your orbit. Meanwhile, the All-In pod is saying "it's all Anthropic all the time" from an enterprise lens. The window you flagged (T4: 2024–2027) isn't just open β€” the market is validating it in real time. The HR&A deal landing tomorrow is a direct proof point: 140 Claude seats, CEO mandate, proposal turnaround in 72 hours. That's the pace of the window. The tension is the same one Munger flagged: every meeting is a commitment factory. Monday morning you're making commitments β€” make sure Thursday's pow-wow captured what was already promised.

🐦 X Highlights

LLM "Truesight" β€” medical diagnosis without images

@davidad sharing research: models outperforming on chest X-ray benchmarks without seeing any images. Bayesian inference + training data leakage. Wild implications for healthcare AI validation β€” directly relevant to Lite Medical.

X β†’

Sam Lessin: "paying for distribution is the hardest part"

In the AI-coding age, building is cheap β€” Google/Meta ad complexity is the real moat for incumbents. Counterintuitive but sharp: distribution > creation as the bottleneck inverts.

X β†’

Michael Moritz on obsession: Bill Gates had the radio removed

Startup Archive surfacing the Moritz/Stanford interview. Instacart founder: "last thing I thought about going to sleep, first thing waking up." Gates removed his car radio so he wouldn't stop thinking about Microsoft. "That's obsession."

X β†’

Codex CLI vs Claude Code β€” the tools crowd is talking

@steipete RT'ing "codex cli is so much better than claude code cli" while @jxnlco (OpenAI) promotes Codex app for non-coding tasks. The ZDNet capture from Thursday (Codex plugins) + this chatter = competitive pressure heating up in the dev tools space you live in.

X β†’

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