From 743ddffd0a0722858a1eec6ebf93b9e315d75b96 Mon Sep 17 00:00:00 2001 From: nate nowack Date: Fri, 21 Aug 2026 19:50:27 -0500 Subject: [PATCH] Include instructions in MCP inspect output (#4873) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 🤖 Generated with Codex --- fastmcp_slim/fastmcp/utilities/inspect.py | 1 + tests/utilities/test_inspect_icons.py | 1 + 2 files changed, 2 insertions(+) diff --git a/fastmcp_slim/fastmcp/utilities/inspect.py b/fastmcp_slim/fastmcp/utilities/inspect.py index 2348f3410..a3d5d6e2e 100644 --- a/fastmcp_slim/fastmcp/utilities/inspect.py +++ b/fastmcp_slim/fastmcp/utilities/inspect.py @@ -489,6 +489,7 @@ async def format_mcp_info(mcp: FastMCP[Any] | SDKServer) -> bytes: "mcp": importlib.metadata.version("mcp"), # MCP protocol version }, "serverInfo": server_info, + "instructions": client.initialize_result.instructions, "capabilities": {}, # MCP format doesn't include capabilities at top level "tools": tools_result.tools, "prompts": prompts_result.prompts, diff --git a/tests/utilities/test_inspect_icons.py b/tests/utilities/test_inspect_icons.py index 14c37f6f6..a545b2fe1 100644 --- a/tests/utilities/test_inspect_icons.py +++ b/tests/utilities/test_inspect_icons.py @@ -425,6 +425,7 @@ class TestFormatFunctions: # Check server version in MCP format assert data["serverInfo"]["version"] == "2.0.0" + assert data["instructions"] == "Test instructions" # MCP format SHOULD have environment fields assert "environment" in data