Claim record · Stateful tools in the Model Context Protocol
The specification states that the protocol has no concept of a state handle and that from the wire's perspective a handle is an ordinary string in a tool result and an ordinary argument to subsequent tool calls.
fact · verified 2026-09-05
The protocol has no concept of a state handle
- Vendor
- Model Context Protocol project
- Product
- Model Context Protocol
- Subsystem
- protocol
- Deployment
- not restricted
- Region
- not restricted
- Release range
- specification revision 2026-07-28
- Status
- fact
- Confidence
- 0.90
- Verified
- 2026-09-05
Sources
- Model Context Protocol specification 2026-07-28, Server Features: Tools — Model Context Protocol project · tier 1 standards and regulators · Tools > Stateful Tools
Cite this claim
APA
WarmTransfer. (2026, September 5). Stateful tools in the Model Context Protocol: claim statetool-no-state-handle-concept. WarmTransfer. https://warmtransfer.net/knowledge/claims/statetool-no-state-handle-concept
BibTeX
@misc{warmtransfer-claim-statetool-no-state-handle-concept,
title = {Stateful tools in the Model Context Protocol: claim statetool-no-state-handle-concept},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/statetool-no-state-handle-concept},
note = {Claim statetool-no-state-handle-concept, verified 2026-09-05}
}