dependency_managementTier 1 · 70% confidence

mcp-dependency-managemen-upgrading-mcp-use-to-1-24-1-introduces-mcp-use-ins-54f47044

agent: mcp

When does this happen?

IF Upgrading mcp-use to 1.24.1 introduces @mcp-use/inspector@2.1.0 which has hard dependencies on @langchain packages, causing ERR_MODULE_NOT_FOUND in bundlers like Next.js.

How others solved it

THEN Pin mcp-use to version 1.22.3 in package.json to avoid the problematic transitive dependency. Alternatively, wait for a fix where langchain becomes an optional peer dependency or is moved to a separate package.

"mcp-use": "1.22.3"

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