MB Crosier Samuel

& what VCs are missing about AI-native services

Why agent skills went from niche Claude feature to 680K-strong ecosystem in 8 months

How MCP's new step-cousin makes it easier for browser agents to do stuff (including buy things) on your website

A guide to what's happening in mission critical construction.

A guide to what's happening in mission critical construction.

How OpenAI’s GDPVal shows where AI already beats humans

Write a 10-page Gatsby analysis, get a job at the Treasury.

An updated look at the state of AI search optimization (aka GEO).

An updated look at the state of AI search optimization (aka GEO).

A tangent about open source software disguised as a post about MCP

The unexpected value of vocabulary in the AI era.

The unexpected value of vocabulary in the AI era.

OpenAI announced Apps in ChatGPT.

OpenAI announced Apps in ChatGPT.

TL;DR: Both are powerful, but they're different!

The tech isn’t new, but the positioning is.

Buying pens with an MCP server, payment protocol wars, evaluating OpenAI's agentic commerce launch, and more.

Tactical, low-cost steps that early-stage startups can take to get started with marketing.

Tactical, low-cost steps that early-stage startups can take to get started with marketing.

An experiment with an unofficial Airbnb MCP server, the blurry line between agent and bots, and the evolving norms of the web.

How AI performance degrades with lots of context, and how to manage context effectively when using MCP servers

How Zola, like Starbucks, is secretly a bank, and why wedding registries are surprisingly great businesses.

How Zola, like Starbucks, is secretly a bank, and why wedding registries are surprisingly great businesses.

What we can learn from BioMCP's 'think' tool and why persona-driven servers outperform generic ones

Digging into how the Model Context Protocol powers Claude's new tools for financial analysis, and what that means for other players

Lessons for Enterprise adoption from Block, and why InfoSec teams are (rightly) nervous about MCP

Test driving Anthropic's new format for installing local MCP servers

Checking in on the latest version of the protocol, on broader MCP server adoption, and the growing pains that come with it.

LLM Memory, Personalization, and the Role of MCP

Tips on how to use AI to make wedding planning a little easier!

Tips on how to use AI to make wedding planning a little easier!

The thesis for writing in public on the internet.

The thesis for writing in public on the internet.

How MCP servers could transform professional research, and how to vibe-code your own personal MCP server using Cloudflare and AI tools

Who benefits (and who loses ground) if MCP adoption becomes widespread?

A very practical setup guide for using Zapier MCP 2.0 and other MCP servers with Anthropic's Claude

Predicting the MCP monetization journey

Remote MCP servers in Claude.ai, plus highlights from live MCP demos by engineers at Asana, Sentry, Stripe, and more.

Using an analogy of a Food Truck Festival to explain how the Model Context Protocol works & why it matters.

My sales call with Hubspot's AI avatar, 'Fiona,' and engaging low-intent prospects in the AI age.

My sales call with Hubspot's AI avatar, 'Fiona,' and engaging low-intent prospects in the AI age.

Learnings on the current state of AI search optimization (or generative engine optimization (GEO), depending on who you ask).

Learnings on the current state of AI search optimization (or generative engine optimization (GEO), depending on who you ask).

Or, the value of authenticity and risk-taking (and the occasional mistake) in marketing.

Or, the value of authenticity and risk-taking (and the occasional mistake) in marketing.

Helpful resources for job searching, interviewing, and negotiating to move from consulting to startups.

Helpful resources for job searching, interviewing, and negotiating to move from consulting to startups.

Handy sites & tools for spying on your competitors on a budget.

Handy sites & tools for spying on your competitors on a budget.

Writing about the process & learnings from building nycrsvps.com