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Choose Copilot Studio's harness before building

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The GitHub Copilot harness changes Copilot Studio billing, testing costs and agent portability. The stated September 2026 pricing transition has passed.

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Governance card: Choose the harness before you build. You cannot convert later.
Governance card: Choose the harness before you build. You cannot convert later.
By Power Platform Governance
1 min read

TL;DR

Copilot Studio's GitHub Copilot harness is the default for new agents and workflows. It uses Copilot Credits during building, Preview tests, evaluations and runtime. Harnesses cannot be converted. The stated September 1, 2026 transition of existing agents to credit billing has now passed.

Original by Anders Jensen, on andersjensenorg. Read the original

This is our own summary, not a republication or full translation.

Governance takeaway

  • Makers: Choose the Standard or GitHub Copilot harness before building, because agents cannot be converted and a wrong choice requires rebuilding.
  • Admins/CoE: Set credit allocations and limits per environment to constrain credit-billed agents, noting this is a blunt control for all credit-billed agents there.
  • Leadership/Business: Budget for AI use during build, testing, evaluation and runtime on the GitHub Copilot harness, not only after publication.
governance copilot-studio environments
This post is licensed under CC BY 4.0 by the author.