Tag: mcp
All the articles with the tag "mcp".
One Signed Quote, Four Protocols, No Price From the Model
Updated: at 10:00 AMI built a kit that lets an AI agent open an account at a Shopify store, negotiate a price and pay, over MCP, UCP, ACP and x402. Every surface serves the same merchant-signed quote, and the price comes from a deterministic merchant policy, never from a model. Here is what I learned implementing all four protocols against one quote, and an honest account of what has not yet touched a real service.
The Safest Model Is Not the Top Scorer, and My Benchmark Can Prove It
Updated: at 10:00 AMIn August 2026 I built ToolPick, a small open benchmark that asks one question, does the model make the right first tool call when the toolset is full of decoys, policy traps and pressure. The two models tied for the top score included the one that closed unresolved tickets and deleted a file it was asked to tidy. The flagship scored lowest and never broke policy once. Here is how the benchmark works, the numbers with honest error bars, and what I think a team should do with them.