A protocol level listChanged notification cannot by itself reveal a tool whose schema changed without the server announcing it because the specification makes the notification a SHOULD and imposes no client obligation.

inference · verified 2026-09-05

Vendor
Model Context Protocol project
Product
Model Context Protocol
Subsystem
protocol
Deployment
not restricted
Region
not restricted
Release range
current as of 2026-09-05
Status
inference
Confidence
0.60
Verified
2026-09-05

Sources

Cite this claim

APA

WarmTransfer. (2026, September 5). Tool schema signature monitoring and drift handling: claim sigdrift-protocol-cannot-detect-silent-drift. WarmTransfer. https://warmtransfer.net/knowledge/claims/sigdrift-protocol-cannot-detect-silent-drift

BibTeX

@misc{warmtransfer-claim-sigdrift-protocol-cannot-detect-silent-drift,
  title  = {Tool schema signature monitoring and drift handling: claim sigdrift-protocol-cannot-detect-silent-drift},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sigdrift-protocol-cannot-detect-silent-drift},
  note   = {Claim sigdrift-protocol-cannot-detect-silent-drift, verified 2026-09-05}
}

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