Source note · Tool schema signature monitoring and drift handling
In the 2025-06-18 revision the same sentence carried no delivery condition: a server that declared the listChanged capability SHOULD simply send a notification.
Checked 2026-09-05
- Vendor
- Model Context Protocol project
- Product
- Model Context Protocol
- Subsystem
- protocol
- Deployment
- not restricted
- Region
- not restricted
- Release range
- specification revision 2025-06-18
- Checked
- 2026-09-05
Sources
- Model Context Protocol specification 2025-06-18, Server Features: Tools — Model Context Protocol project · tier 1 standards and regulators · List Changed Notification
Cite this note
APA
WarmTransfer. (2026, September 5). Tool schema signature monitoring and drift handling: source note sigdrift-spec-2025-unconditional. WarmTransfer. https://warmtransfer.net/knowledge/claims/sigdrift-spec-2025-unconditional
BibTeX
@misc{warmtransfer-claim-sigdrift-spec-2025-unconditional,
title = {Tool schema signature monitoring and drift handling: source note sigdrift-spec-2025-unconditional},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sigdrift-spec-2025-unconditional},
note = {Source note sigdrift-spec-2025-unconditional, checked 2026-09-05}
}