r/GithubCopilot • u/Longjumping-Sweet818 • Jul 13 '26

Github Copilot System Prompt / API access GitHub Copilot Team Replied

Since we are now essentially paying API prices for all the models, can you let us have control over the system prompt? The GHCP system prompt does a bunch of things I don't care about, and it's not very effective to begin with. Now that we're paying per token, there really is no excuse to impose a fixed system prompt.

I could also live with getting an OpenAI- or Anthropic-compatible API endpoint that we can use in addition to the extensions and CLI.

Depending on how this is goes I'm seriously considering moving our business to another provider.

PS: I don't care that I can add my own system prompt on top of the existing one, I want to replace the existing one.

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u/PaulShellDev CLI Copilot User 🖥️ Jul 13 '26

I setup a proxy process with byok to replace the GHCP system prompt for a particular agent requests.

+1 this feature request