diff --git a/scripts/test-projects.test-support.mjs b/scripts/test-projects.test-support.mjs
index f9a5d65f4da2..5527ec731961 100644
--- a/scripts/test-projects.test-support.mjs
+++ b/scripts/test-projects.test-support.mjs
@@ -1061,6 +1061,10 @@ const TOOLING_SOURCE_TEST_TARGETS = new Map([
   ["scripts/run-node.mjs", ["src/infra/run-node.test.ts"]],
   ["scripts/committer", ["test/scripts/committer.test.ts"]],
   ["scripts/gh-read", ["test/scripts/gh-read.test.ts"]],
+  ["scripts/pr", ["test/scripts/pr-wrappers.test.ts"]],
+  ["scripts/pr-merge", ["test/scripts/pr-wrappers.test.ts"]],
+  ["scripts/pr-prepare", ["test/scripts/pr-wrappers.test.ts"]],
+  ["scripts/pr-review", ["test/scripts/pr-wrappers.test.ts"]],
   ["scripts/setup-auth-system.sh", ["test/scripts/test-projects.test.ts"]],
   ["scripts/ci-run-timings.mjs", ["test/scripts/ci-run-timings.test.ts"]],
   ["scripts/docker-e2e.mjs", ["test/scripts/docker-e2e-helper-cli.test.ts"]],
@@ -1574,6 +1578,7 @@ const TOOLING_TEST_TARGETS = new Map([
     "test/scripts/plugin-prerelease-test-plan.test.ts",
     ["test/scripts/plugin-prerelease-test-plan.test.ts"],
   ],
+  ["test/scripts/pr-wrappers.test.ts", ["test/scripts/pr-wrappers.test.ts"]],
   ["test/scripts/test-projects.test.ts", ["test/scripts/test-projects.test.ts"]],
   [
     "test/scripts/vitest-local-scheduling.test.ts",
diff --git a/test/scripts/pr-wrappers.test.ts b/test/scripts/pr-wrappers.test.ts
new file mode 100644
index 000000000000..44b0104fea07
--- /dev/null
+++ b/test/scripts/pr-wrappers.test.ts
@@ -0,0 +1,52 @@
+// PR wrapper tests cover maintainer helper command delegation.
+import { readFileSync } from "node:fs";
+import { describe, expect, it } from "vitest";
+
+function readScript(path: string): string {
+  return readFileSync(path, "utf8");
+}
+
+describe("scripts/pr wrappers", () => {
+  it("keeps the main PR helper usage and command table aligned", () => {
+    const script = readScript("scripts/pr");
+
+    expect(script).toContain("export NO_COLOR=1");
+    expect(script).toContain("unset COLORTERM");
+    expect(script).toContain("scripts/pr review-init <PR>");
+    expect(script).toContain("scripts/pr prepare-run <PR>");
+    expect(script).toContain("scripts/pr merge-run <PR>");
+    expect(script).toContain('review_init "$pr"');
+    expect(script).toContain('prepare_run "$pr"');
+    expect(script).toContain('merge_run "$pr"');
+  });
+
+  it("keeps merge wrapper modes delegated to the main PR helper", () => {
+    const script = readScript("scripts/pr-merge");
+
+    expect(script).toContain("scripts/pr-merge <PR>");
+    expect(script).toContain('exec "$base" merge-verify "$1"');
+    expect(script).toContain('exec "$base" merge-verify "$pr"');
+    expect(script).toContain('exec "$base" merge-run "$pr"');
+  });
+
+  it("keeps prepare wrapper modes delegated to the main PR helper", () => {
+    const script = readScript("scripts/pr-prepare");
+
+    expect(script).toContain("scripts/pr-prepare <init|validate-commit|gates|push|run> <PR>");
+    for (const mode of ["init", "validate-commit", "gates", "push", "run"]) {
+      expect(script).toContain(`${mode})`);
+    }
+    expect(script).toContain('exec "$base" prepare-init "$pr"');
+    expect(script).toContain('exec "$base" prepare-validate-commit "$pr"');
+    expect(script).toContain('exec "$base" prepare-gates "$pr"');
+    expect(script).toContain('exec "$base" prepare-push "$pr"');
+    expect(script).toContain('exec "$base" prepare-run "$pr"');
+  });
+
+  it("keeps review wrapper delegated to review-init", () => {
+    const script = readScript("scripts/pr-review");
+
+    expect(script).toContain('base="$script_dir/pr"');
+    expect(script).toContain('exec "$base" review-init "$@"');
+  });
+});
diff --git a/test/scripts/test-projects.test.ts b/test/scripts/test-projects.test.ts
index 5ef6cd20b98a..1501db5da1d4 100644
--- a/test/scripts/test-projects.test.ts
+++ b/test/scripts/test-projects.test.ts
@@ -1361,6 +1361,10 @@ describe("scripts/test-projects changed-target routing", () => {
     const expectedTargets = new Map([
       ["scripts/committer", ["test/scripts/committer.test.ts"]],
       ["scripts/gh-read", ["test/scripts/gh-read.test.ts"]],
+      ["scripts/pr", ["test/scripts/pr-wrappers.test.ts"]],
+      ["scripts/pr-merge", ["test/scripts/pr-wrappers.test.ts"]],
+      ["scripts/pr-prepare", ["test/scripts/pr-wrappers.test.ts"]],
+      ["scripts/pr-review", ["test/scripts/pr-wrappers.test.ts"]],
     ]);
 
     for (const [source, targets] of expectedTargets) {