build1 distinct publisher
MCP's caching hints will hand Alice's tool list to Bob unless identity is in the key
The stable 2026-07-28 spec lets a server mark a result private. A dev.to walkthrough shows a shared client cache serving that private tool catalog to a second principal anyway.
Publishers:dev.to
Reality
- Evidence46
- Adoption20
- Hype gap+12
- Incentives34
- Confidence44