copilot coding agent extension: support for custom MCP server configurations #6041
Description
[potential enhancement]
Summary
Allow users to configure custom MCP servers beyond the default Azure MCP server to support specialized workflows and integrations.
Description
Users may want to use custom or third-party MCP servers for specific scenarios. The extension should support:
- Custom MCP server endpoint configuration
- Multiple MCP server configurations in the same setup
- Validation of custom MCP server configurations
- Template generation for common custom MCP setups