search_skills

tests/web/test_mcp_prompts.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import pytest
+from mcp.types import PromptReference
 
 pytestmark = pytest.mark.smoke
 
@@ -18,6 +19,21 @@ EXPECTED_PROMPTS = {
 class TestMcpPromptSurface:
     """Covers smoke-level MCP prompt discovery and retrieval paths."""
 
+    class TestServerMetadata:
+        """Covers client-facing identity and completion capabilities."""
+
+        @pytest.mark.asyncio
+        async def test_advertises_instructions_and_completions(self, mcp_session_factory) -> None:
+            """Ensures VS Code receives server guidance and completion support."""
+            async with mcp_session_factory(initialize=False) as mcp_session:
+                result = await mcp_session.initialize()
+
+            assert result.instructions is not None
+            assert "skill://<name>/SKILL.md" in result.instructions
+            assert result.server_info.icons
+            assert result.server_info.icons[0].src.startswith("data:image/svg+xml;base64,")
+            assert result.capabilities.completions is not None
+
     class TestPromptDiscovery:
         """Covers MCP prompts/list behavior using native prompt objects."""
 
@@ -29,6 +45,18 @@ class TestMcpPromptSurface:
 
             assert {prompt.name for prompt in result.prompts} == EXPECTED_PROMPTS
             assert all(prompt.description for prompt in result.prompts)
+            assert all(prompt.title for prompt in result.prompts)
+
+        @pytest.mark.asyncio
+        async def test_completes_authored_prompt_choices(self, mcp_session_factory) -> None:
+            """Ensures finite prompt choices are available as IDE-style suggestions."""
+            async with mcp_session_factory() as mcp_session:
+                result = await mcp_session.complete(
+                    PromptReference(type="ref/prompt", name="authoring"),
+                    {"name": "artifact_type", "value": "pr"},
+                )
+
+            assert result.completion.values == ["prompt"]
 
     class TestPromptResolution:
         """Covers MCP prompts/get behavior using native request and response objects."""