In the past few weeks I’ve experienced the same as Gavin. Agent mode, Claude Sonnet 4 and MCP servers have been game changers. GH Copilot wrote a whole new feature for Dev Proxy Toolkit straight from our Dev Proxy docs exposed as MCP server, it worked perfectly.
The productivity gains from GitHub Copilot are off the charts. Now, it's not to be blindly trusted, but if you aren't using it as a time saver and flow-state question answerer then you're missing out.
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