Source note · Tool schema signature monitoring and drift handling
The Webex signature and approval mechanism goes beyond what the Model Context Protocol requires because the protocol defines only an optional announcement of tool list changes while Webex stores an approved signature compares it at runtime and withholds or flags the tool.
inferred · Checked 2026-09-05
- Vendor
- Cisco
- Product
- Webex agentic apps
- Subsystem
- tool-governance
- Deployment
- cloud
- Region
- not restricted
- Release range
- current as of 2026-09-05
- Status
- inferred
- Checked
- 2026-09-05
Sources
- Admin Approval Guide for Agentic Apps — Cisco Systems, Inc. (Webex for Developers) · tier 2 current vendor documentation · Signature & Change Policy compared with the specification's List Changed Notification
Cite this note
APA
WarmTransfer. (2026, September 5). Tool schema signature monitoring and drift handling: source note sigdrift-webex-goes-beyond-protocol. WarmTransfer. https://warmtransfer.net/knowledge/claims/sigdrift-webex-goes-beyond-protocol
BibTeX
@misc{warmtransfer-claim-sigdrift-webex-goes-beyond-protocol,
title = {Tool schema signature monitoring and drift handling: source note sigdrift-webex-goes-beyond-protocol},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sigdrift-webex-goes-beyond-protocol},
note = {Source note sigdrift-webex-goes-beyond-protocol, checked 2026-09-05}
}