ZV-2026-1028 · 2026-09-13 · mcp.paxaver.com

mcp.paxaver.com: Field lastName was removed from get_user_info output; consumers reading it will break.

breaking

What changed

Field lastName was removed from get_user_info output; consumers reading it will break.

What to do

If your agents call mcp.paxaver.com, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.

The redline

−  lastName  Field lastName was removed from get_user_info output; consumers reading it will break.
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