diff --git a/AGENTS.md b/AGENTS.md
new file mode 100644
index 0000000000000..37c0370e012e8
--- /dev/null
+++ b/AGENTS.md
@@ -0,0 +1,5 @@
+Keep interactions with the Rust project and its repositories read-only.
+
+Mark changes or additions of documentation or comments with `[LLM-generated]` if they are non-trivial, consist of many sentences or relate to soundness.
+
+`x.py` is used as the build system instead of using `cargo` directly. `x.py build library` can be a good build option when modifying the Rust compiler or the Rust standard library.
\ No newline at end of file
diff --git a/CLAUDE.md b/CLAUDE.md
new file mode 100644
index 0000000000000..eef4bd20cf972
--- /dev/null
+++ b/CLAUDE.md
@@ -0,0 +1 @@
+@AGENTS.md
\ No newline at end of file
diff --git a/REUSE.toml b/REUSE.toml
index 5ee913426a142..7d72caa6d5c45 100644
--- a/REUSE.toml
+++ b/REUSE.toml
@@ -19,8 +19,10 @@ path = [
     "tests/**",
     "src/**",
     ".github/**",
+    "AGENTS.md",
     "Cargo.lock",
     "Cargo.toml",
+    "CLAUDE.md",
     "CODE_OF_CONDUCT.md",
     "bootstrap.example.toml",
     "configure",