# Case Study

- [Pinterest's MCP Blueprint: 66,000 Invocations a Month, 7,000 Hours Saved — This Is What Production MCP Looks Like](https://sdd.sh/2026/04/pinterests-mcp-blueprint-66000-invocations-a-month-7000-hours-saved-this-is-what-production-mcp-looks-like.md): MCP hit 97 million downloads. Pinterest just showed what you do with them. Their production MCP ecosystem — domain-specific servers, a central registry, two-layer JWT auth, and hard ROI numbers — is the blueprint every serious engineering team will follow.