MCP Server Debugging in 2026: What Inspector Can’t Show You

MCP Inspector can't see your real client traffic. Here's how mcpsnoop closes that gap, plus the exact JSON-RPC bugs you'll hit in production in 2026.

MCP Inspector can't see your real client traffic. Here's how mcpsnoop closes that gap, plus the exact JSON-RPC bugs you'll hit in production in 2026.

forEach ignores promises, so await inside it never pauses the loop. Here is exactly why it happens and the three fixes, with real Node 22 benchmarks.