build1 distinct publisher
A ttlMs on tools/list is a promise, not a receipt
The 2026-07-28 MCP spec borrowed HTTP's cache vocabulary for tool catalogs. One Rust lab shows why checking that the fields exist proves nothing about whether the next call is skippable.
Publishers:dev.to
Reality
- Evidence44
- Adoption14
- Hype gap−12
- Incentives58
- Confidence42