Konrad Vale
Founder of ToolVet. Writes about x402, MCP and what ToolVet's checks find.
Konrad Vale is a pen name. ToolVet is built and run by its founder, a backend engineer based in Europe. More about who runs ToolVet.
Posts
MCP tool poisoning in the wild: 296,000 tools scanned
We scanned 296,000 tools on 16,600 remote MCP servers for tool poisoning. Real attacks were rare; instructions that work against the user were not.
x402 endpoint not showing in the Bazaar? 7 causes and fixes
x402 catalogs fill themselves from settled payments, not a form. Seven reasons an endpoint never shows up in the Bazaar, and how to check each one.
x402 facilitators compared: Coinbase CDP vs PayAI vs Dexter
What Coinbase CDP, PayAI, Dexter and self-hosting charge per x402 settlement, which catalog each lists you in, and which to pick for sub-cent APIs.