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Exercise the SEP-2575 stateless probes and SEP-2243 resource/prompt headers in the conformance fixtures (#3442)

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Max 2026-09-04 17:11:00 +01:00 • committed by GitHub
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23
.github/actions/conformance/client.py vendored
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@ -20,7 +20,7 @@ Scenarios:
json-schema-ref-no-deref - Connect, list tools (no $ref deref)
json-schema-2020-12-preservation - List tools, echo the focal inputSchema back verbatim
request-metadata - Connect with all callbacks; client stamps _meta
http-standard-headers - Connect, call a tool (Mcp-* headers checked)
http-standard-headers - Tool, resource and prompt round-trips (Mcp-* headers checked)
http-invalid-tool-headers - List tools, call every surfaced tool (x-mcp-header filter)
http-custom-headers - Replay the harness's toolCalls (x-mcp-header -> Mcp-Param-*)
elicitation-sep1034-client-defaults - Elicitation with default accept callback
@ -311,11 +311,24 @@ async def run_request_metadata(server_url: str) -> None:
@register("http-standard-headers")
async def run_http_standard_headers(server_url: str) -> None:
"""Connect on the modern path so Mcp-Method / Mcp-Name / MCP-Protocol-Version are sent (SEP-2243)."""
"""Touch tools, resources and prompts on the modern path so each standard header is checked (SEP-2243).
The scenario inspects Mcp-Method on each request and Mcp-Name on tools/call,
resources/read and prompts/get, and reports methods the client never sent as
SKIPPED rather than failed, so exercise one of each. initialize and
notifications/initialized stay SKIPPED: the modern path discovers via
server/discover and never sends them.
"""
async with Client(server_url, mode=client_mode()) as client:
await client.list_tools()
result = await client.call_tool("add_numbers", {"a": 5, "b": 3})
logger.debug(f"add_numbers result: {result}")
tools = await client.list_tools()
if tools.tools:
await client.call_tool(tools.tools[0].name, _stub_required_args(tools.tools[0].input_schema))
resources = await client.list_resources()
if resources.resources:
await client.read_resource(resources.resources[0].uri)
prompts = await client.list_prompts()
if prompts.prompts:
await client.get_prompt(prompts.prompts[0].name)
def _stub_required_args(input_schema: dict[str, Any]) -> dict[str, Any]: