typescript-sdk/.changeset/codemod-preserve-shebang.md

@modelcontextprotocol/codemod
patch

Preserve a leading #! shebang (and the blank lines after it) when migrating a file. Some transforms drop the shebang because it is leading trivia of the first import they rewrite; the codemod now captures it before transforms and restores it before saving, so CLI packages whose bin points at the migrated entry keep working.