docs(python): note the mcp 1.x requirement in fetch, git, and time

Users hitting the 2.0.0 startup failure land on the README first. Also makes
the three packages qualify for the next release: the release workflow selects
packages by .py/.ts/.md changes, so a dependency-only fix would merge without
publishing.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src/fetch/README.md

@@ -6,6 +6,8 @@ A Model Context Protocol server that provides web content fetching capabilities.
 
 Source: https://github.com/modelcontextprotocol/servers/tree/main/src/fetch
 
+Requires MCP Python SDK 1.x (`mcp>=1.29.0,<2`). SDK 2.0 renamed APIs this server uses. The port to v2 is in progress.
+
 > [!CAUTION]
 > This server can access local/internal IP addresses and may represent a security risk. Exercise caution when using this MCP server to ensure this does not expose any sensitive data.
 

src/git/README.md

@@ -8,6 +8,8 @@ A Model Context Protocol server for Git repository interaction and automation. T
 
 Source: https://github.com/modelcontextprotocol/servers/tree/main/src/git
 
+Requires MCP Python SDK 1.x (`mcp>=1.29.0,<2`). SDK 2.0 renamed APIs this server uses. The port to v2 is in progress.
+
 Please note that mcp-server-git is currently in early development. The functionality and available tools are subject to change and expansion as we continue to develop and improve the server.
 
 ### Tools

src/time/README.md

@@ -6,6 +6,8 @@ A Model Context Protocol server that provides time and timezone conversion capab
 
 Source: https://github.com/modelcontextprotocol/servers/tree/main/src/time
 
+Requires MCP Python SDK 1.x (`mcp>=1.29.0,<2`). SDK 2.0 renamed APIs this server uses. The port to v2 is in progress.
+
 ### Available Tools
 
 - `get_current_time` - Get current time in a specific timezone or system timezone.