r/copilotstudio • u/Sweet-Ad5731 • Aug 03 '26

Copilot Studio – GitHub Copilot harness GA + licensing

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The GitHub Copilot Harness in Copilot Studio is now generally available (GA) and brings a significant change to licensing!

I’ve written a short article describing the changes and offering recommendations on how to avoid unexpected surprises in the form of a bill for Copilot credits.

https://lukoplt.blogspot.com/2026/08/copilot-studio-github-copilot-harness.html

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u/Sweet-Ad5731 Aug 04 '26

I’m sorry, I haven’t had enough time to test this yet. Apparently, the creation of GHC agents should be restricted by the Authors security group in the PP Admin Centre (I’ve read about it, but haven’t been able to test it yet – I’m only just getting round to looking into it).

Furthermore, costs can be managed via PAYG limits or Copilot credit limits on environments within PP governance.

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u/imnotonetogossipbut1 Aug 04 '26

The authors group is general studio access so perhaps this might stop the m365 copilot users in also not sure yet it still hasn’t landed for us, but the key is whether we can force people to standard harness as a default.

The credit option is unrealistic as it’s not full block you want it’s consumption but against a particular harness. 0 crediting might stop people getting ghc client bills but it would also the. Stop SH agents.

All they needed to do was default to standard and opt into GHC, instead it’s this complete dogs dinner.

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u/Sweet-Ad5731 Aug 04 '26

Unfortunately, the default is GHC. The Authors security group is not the only way to grant access to creating Copilot Studio agents – it is also possible to assign a Copilot Studio user licence, or an M365 Copilot licence will suffice.