Josh Grenon

Co-founder, CTO

Josh Grenon

Josh Grenon is co-founder and CTO of Tortuga. He has been building iOS apps since 2010 and was an early engineer at Perplexity. He now builds AI-native tools for founders and small teams.

More posts from josh

The 4-Hour Workweek DEAL Framework for AI Agents

November 04, 2026

The 4-Hour Workweek DEAL Framework for AI Agents

DEAL stands for Definition, Elimination, Automation and Liberation, from Tim Ferriss's The 4-Hour Workweek. Here's how to apply it to AI agents and bots.

Claude Code Truncation: Our Open-Source Fix

March 24, 2026

Claude Code Truncation: Our Open-Source Fix

Claude Code silently truncates MCP outputs past ten lines. Here's the fix we built, why markdown tables are the answer, and why we're giving it away.

zaplaunch: Open-Source iOS Launcher for Agents

October 18, 2026

zaplaunch: Open-Source iOS Launcher for Agents

zaplaunch is now open source under MIT. It's the launcher our coding agents use to open our iOS apps on our phones after every change.