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Server-side 2026-07-28 stateless support: classifier, driver split, server/discover (#2928)

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Max 2026-06-21 19:34:17 +01:00 • committed by GitHub
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50
tests/interaction/_requirements.py
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@ -97,9 +97,9 @@ _TASKS_DEFERRAL = (
)
_MODERN_NOTIFY_DROP = (
"SingleExchangeDispatcher.notify() no-ops on the modern streamable-http driver; handler-emitted "
"logging/progress notifications never reach the per-request SSE response. Passes once SSE "
"response mode lands."
"The modern single-exchange dispatch context no-ops notify() on the streamable-http driver; "
"handler-emitted logging/progress notifications never reach the per-request SSE response. "
"Passes once SSE response mode lands."
)
@ -3046,6 +3046,50 @@ REQUIREMENTS: dict[str, Requirement] = {
transports=("streamable-http",),
note="Only observable over streamable HTTP: the modern entry's exception-to-JSONRPCError boundary.",
),
"hosting:http:modern:discover-response-shape": Requirement(
source=f"{SPEC_2026_BASE_URL}/basic/index",
behavior=(
"A 2026-07-28 server/discover response carries supportedVersions, capabilities, and "
"serverInfo, with supportedVersions naming the modern protocol revisions the server accepts."
),
added_in="2026-07-28",
transports=("streamable-http",),
note="Only observable over streamable HTTP: the raw result body is asserted at the wire.",
),
"hosting:http:modern:removed-method-status-404": Requirement(
source=f"{SPEC_2026_BASE_URL}/basic/index",
behavior=(
"A method that exists at earlier protocol revisions but is removed at 2026-07-28 is "
"answered METHOD_NOT_FOUND, and the modern entry maps that error code to HTTP 404."
),
added_in="2026-07-28",
transports=("streamable-http",),
note=(
"Only observable over streamable HTTP: the HTTP status is the assertion. Kernel-origin "
"METHOD_NOT_FOUND travels through the same status table as classifier-origin errors."
),
),
"hosting:http:modern:envelope-missing-key-status-400": Requirement(
source=f"{SPEC_2026_BASE_URL}/basic/transports/streamable-http",
behavior=(
"A 2026-07-28 request whose params._meta envelope omits a required reserved key is "
"rejected as INVALID_PARAMS at HTTP 400 before kernel dispatch."
),
added_in="2026-07-28",
transports=("streamable-http",),
note="Only observable over streamable HTTP: the HTTP status is the assertion.",
),
"hosting:http:modern:handler-error-status-via-table": Requirement(
source="sdk",
behavior=(
"A handler-raised MCPError on the 2026-07-28 entry reaches the wire as a top-level "
"JSON-RPC error with its data preserved, and the HTTP status is the error-code table "
"entry for that code (handler-origin and classifier-origin errors share one table)."
),
added_in="2026-07-28",
transports=("streamable-http",),
note="Only observable over streamable HTTP: the modern entry's JSONRPCError-to-HTTP-status mapping.",
),
# ═══════════════════════════════════════════════════════════════════════════
# Client transport: streamable HTTP
# ═══════════════════════════════════════════════════════════════════════════