switch to mcp-run-python for the mcp servers

Author: strawgate

pydantic_ai_slim/pydantic_ai/toolsets/fastmcp.py

@@ -174,10 +174,8 @@ def from_mcp_server(
         from pydantic_ai.toolsets.fastmcp import FastMCPToolset
 
         time_mcp_server = {
-            'command': 'uvx',
-            'args': [
-                'mcp-server-time',
-            ]
+            'command': 'uv',
+            'args': ['run', 'mcp-run-python', 'stdio'],
         }
 
         toolset = FastMCPToolset.from_mcp_server(name='time_server', mcp_server=time_mcp_server)
@@ -199,36 +197,33 @@ def from_mcp_config(
         """Build a FastMCPToolset from an MCP json-derived / dictionary configuration object.
 
         Example:
-        ```python
+        ```python        
         from pydantic_ai import Agent
         from pydantic_ai.toolsets.fastmcp import FastMCPToolset
 
         mcp_config = {
             'mcpServers': {
-                'time_server': {
-                    'command': 'uvx',
-                    'args': [
-                        'mcp-server-time',
-                    ]
+                'first_server': {
+                    'command': 'uv',
+                    'args': ['run', 'mcp-run-python', 'stdio'],
                 },
-                'fetch_server': {
-                    'command': 'uvx',
-                    'args': [
-                        'mcp-server-fetch',
-                    ]
+                'second_server': {
+                    'command': 'uv',
+                    'args': ['run', 'mcp-run-python', 'stdio'],
                 }
             }
         }
 
-        fastmcp_toolset = FastMCPToolset.from_mcp_config(mcp_config)
+        toolset = FastMCPToolset.from_mcp_config(mcp_config)
+
+        agent = Agent('openai:gpt-4o', toolsets=[toolset])
 
-        agent = Agent('openai:gpt-4o', toolsets=[fastmcp_toolset])
         async def main():
             async with agent:  # (1)!
                 ...
         ```
 
-        1. This will start both MCP Servers running over stdio`.
+        1. This will start the MCP Servers running over stdio.
         """
         transport: MCPConfigTransport = MCPConfigTransport(config=mcp_config)
         fastmcp_client: Client[MCPConfigTransport] = Client[MCPConfigTransport](transport=transport)