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+# AI Tool Use Policy
+
+This policy aims to be compatible with the [LLVM AI Tool Use
+Policy](https://llvm.org/docs/AIToolPolicy.html) so that people contributing to
+both projects have a similar policy to work with.
+
+Contributors to DirectXShaderCompiler can use whatever tools they would like to
+craft their contributions, but there must be a **human in the loop. Contributors
+must read and review all LLM-generated code or text before they ask other
+project members to review it.** The contributor is always the author and is
+fully accountable for their contributions. Contributors should be sufficiently
+confident that the contribution is high enough quality that asking for a review
+is a good use of scarce maintainer time, and they should be **able to answer
+questions about their work during review.**
+
+We expect that new contributors will be less confident in their contributions,
+and our guidance to them is to **start with small contributions** that they can
+fully understand to build confidence. We aspire to be a welcoming community that
+helps new contributors grow their expertise, but learning involves taking small
+steps, getting feedback, and iterating. Passing maintainer feedback to an LLM
+doesn't help anyone grow and does not sustain our community.
+
+Contributors are expected to **be transparent and label contributions that
+contain substantial amounts of tool-generated content.** Our policy on labelling
+is intended to facilitate reviews, and not track which parts of the project are
+generated. Contributors should note tool usage in their pull request
+description, commit message, or wherever authorship is normally indicated for
+the work. For instance, use a commit message trailer like Assisted-by: Copilot.
+This transparency helps the community develop best practices and understand the
+role of these new tools.
+
+## Copilot Code Reviews
+
+Copilot code reviews are allowed.  It's TBD whether we will enable these by
+default for all PRs - but feel free to request a review from copilot.
+
+## Cloud Agents
+
+The cloud-based version of github copilot is a great way to have multiple agents
+work simultaneously and autonomously on issues.  However, we require that these
+run in a fork of the repo rather than in the main repo itself.  Then, once the
+change has been crafted such that it is ready for others to review, a PR can be
+opened to merge it into upstream. Rationale:
+
+* Everyone should be working in a fork rather than creating branches in the main
+  repo, agents are no different. 
+* We shouldn't be spamming people watching the main repo with the agent's work.
+* As you're responsible for the work copilot is doing, the PR into upstream
+  should come from you, not from copilot. 
+
+Note that cloud agents are only able to build and test on Linux, and this
+affects the sort of work an agent can do.
+
+## Local Agents
+
+CLI, or editor-hosted agents, run on your own machine, so there is less concern
+about the activity of these agents impacting others.