Under the hood
Useful1 Signal0
The MCP client and hook error display changed only in generated names.
What's wrong with this entry?
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What
The MCP client body and the blocked-hook error display differ only in generated variable names and cache slot numbers. No change to tool calls, header filtering, pagination limits or error text.
Evidence
subscriptions/listen requires a 2026-07-28-era connection
Strings lifted out of the shipped bundle, so the claim above can be checked against them.