Under the hood
Useful2 Signal2
MCP telemetry identifies servers by a hash rather than their raw URL.
What's wrong with this entry?
Anonymous. No account, no email.
What
The helper that tagged MCP events with a server's base URL was replaced, in both of its copies, by one that also carries a hashed server key. Server identity in telemetry no longer depends on the raw URL.
Details
- The hash is attached to
tengu_mcp_listen_reopenevents and is the preferred key for per-server rate limiting when forwarding logs, with the base URL used only as a fallback.
Evidence
mcpServerKeyHash
Strings lifted out of the shipped bundle, so the claim above can be checked against them.