Skip to lesson
Exit
Use web sources and MCP tools1 / 3

2 min lesson

When an outside source is stale

Replace one stale outside source. Compare the code with the current page or MCP response.

Step 1 of 3

The answer uses a snippet you cannot verify. The warning sign is using memory or an old pasted snippet instead of opening the current source.

Current source or unverified input

Interactive diagram. Tab through its regions; each focused region shows its detail in the panel below.

diagram: compare

Pick a row to see what to look for.