The Dangerous Bugs Are the Ones That Don't Crash: Building Input Validation for My MCP Server I was building an MCP server for an event platform that automates speaker communications (confirmations, reminders, calendar invites, follow-ups). An agent created a session confirmation for "Monday March 8th." March 8th was a Sunday. I caught it. But catching it was just the beginning. The confirmation
April is one of those months where the tool discovery inbox fills up faster than usual. Partly it's spring project energy, partly it's that the no-account tools space keeps expanding in genuinely interesting directions. This month's picks share a pattern: they're not stripped-down versions of paid products. They're tools where removing the account requirement made them better — faster to access, s