Descriptions:
Peter Yang interviews Josh Pigford — who sold his analytics startup Baremetrics for $4 million — now simultaneously building five AI-powered products as a solo founder. The conversation centers on the concrete systems Pigford uses to stay productive across multiple codebases, making it one of the more detailed practitioner accounts of solo AI-native development available.
Pigford’s core coding loop pairs Claude Opus for the bulk of code generation with a GPT-3.5 review pass that reliably surfaces three to five bugs Opus missed, followed by a custom “But for Real” prompt skill designed to pressure the model into self-critique. He works on a Rails, Inertia, and Postgres stack and maintains project-specific CLAUDE.md files generated from a shared template that includes user personas, repo layout, and relevant CLI commands. His open-source skill library — available on GitHub — includes around a dozen reusable agent prompts covering research, web browsing, and build workflows.
The interview also covers two of his recently launched products: Proxy User, which uses AI agents operating real browsers to QA applications and return screen recordings, and Rumored, a tool that monitors LLM hallucinations about a brand and suggests copy or schema fixes. For developers looking to understand how experienced solo builders actually structure AI-assisted workflows at the product level, this is a detailed and candid look.
📺 Source: Peter Yang · Published May 31, 2026
🏷️ Format: Interview







