May 30, 2026Built mcp-doctor in 14h — open-source MCP supply-chain trust scanner with $19/mo Pro tierHey IH 👋Yesterday I built and shi

P.S. — Used my other tool (personalab) to test mcp-doctor's positioning with

12 LLM-simulated personas × 5-day agentic sim. 4/12 would pay Pro $19/mo.

Comparison: personalab self-test 0/8, PostHog 0/12 sustained, Cal.com 8/12.

Case study #4 of the series. Full report:

github.com/weiseer/mcp-doctor/blob/main/case_study/personalab_case_study.md