Developer guides
Practical, fact-checked guides — every claim sourced, nothing fabricated.
MCP & Claude Desktop
The most common claude_desktop_config.json mistakes (and how to fix each)
The 10 errors that break MCP servers in Claude Desktop — spawn ENOENT, JSON syntax, PATH, env blocks — with copy-paste fixes.
How to add an MCP server to Claude Desktop (step by step)
Find the config, add the JSON, the Windows cmd /c gotcha, fully restart, and confirm the tools appear.
MCP server not showing up in Claude Desktop? How to debug it
Where the per-server logs live, reading stderr, the common error signatures, and a systematic isolation checklist.
AI-shoppability (Shopify)
Why your products are not showing in ChatGPT Shopping (and how to fix it)
How ChatGPT surfaces Shopify products in 2026, why your store may be missing, and the controllable fixes.
Add schema.org Product JSON-LD to Shopify for AI shopping agents
Copy-paste Liquid so ChatGPT, Perplexity & Google AI can read and recommend your products.
Free MCP config linter: pip install mcp-config-lint · MCP Setup Pack → · Free AI-shoppability check · Hatchloop