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First end-to-end 2026-07-28 stateless tools/call (experimental entry + ClientSession pin) (#2917)

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Max 2026-06-20 14:55:59 +01:00 • committed by GitHub
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docs/migration.md
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@ -1241,7 +1241,7 @@ If you relied on extra fields round-tripping through MCP types, move that data i
### 2025-11-25 and 2026-07-28 protocol fields modeled
`mcp.types` models the 2025-11-25 and 2026-07-28 protocol fields (e.g. `resultType`, `ttlMs`/`cacheScope` on cacheable results, `inputResponses`/`requestState` on retried requests), so inbound payloads carrying these keys parse into typed fields and round-trip. `ttlMs`/`cacheScope` default to `None`; `resultType` defaults to `"complete"` on concrete results (`None` on `EmptyResult`); the server strips all of them from the wire at pre-2026 versions.
`mcp.types` models the 2025-11-25 and 2026-07-28 protocol fields (e.g. `resultType`, `ttlMs`/`cacheScope` on cacheable results, `inputResponses`/`requestState` on retried requests), so inbound payloads carrying these keys parse into typed fields and round-trip. `ttlMs`/`cacheScope` default to `0`/`"private"` (immediately stale, not shared-cacheable); `resultType` defaults to `"complete"` on concrete results (`None` on `EmptyResult`); the server strips all of them from the wire at pre-2026 versions.
### `streamable_http_app()` available on lowlevel Server