diff --git a/src/discover/registry.rs b/src/discover/registry.rs
index bb7b11f2a..9a14d718e 100644
--- a/src/discover/registry.rs
+++ b/src/discover/registry.rs
@@ -2851,6 +2851,7 @@ mod tests {
             "npx prisma",
             "pnpm prisma",
             "pnpx prisma",
+            "bunx prisma",
             "prisma",
         ];
         for command in commands {
@@ -2885,6 +2886,7 @@ mod tests {
             "npx prisma",
             "pnpm prisma",
             "pnpx prisma",
+            "bunx prisma",
             "prisma",
         ];
         for command in commands {
@@ -2897,6 +2899,34 @@ mod tests {
         }
     }
 
+    #[test]
+    fn test_rewrite_bunx_prisma_subcommands() {
+        // #1401: exercise the full Prisma surface that the reporter said hits
+        // unfiltered with bun. The classify_command/rewrite tests above already
+        // cover `migrate dev` for every runner; this nails down each subcommand
+        // shape verbatim so a future regex tweak doesn't silently drop one.
+        let cases = [
+            ("bunx prisma migrate dev", "rtk prisma migrate dev"),
+            (
+                "bunx prisma migrate dev --name add_col",
+                "rtk prisma migrate dev --name add_col",
+            ),
+            ("bunx prisma migrate deploy", "rtk prisma migrate deploy"),
+            ("bunx prisma migrate status", "rtk prisma migrate status"),
+            ("bunx prisma generate", "rtk prisma generate"),
+            ("bunx prisma db seed", "rtk prisma db seed"),
+            ("bunx prisma studio", "rtk prisma studio"),
+        ];
+        for (input, expected) in cases {
+            assert_eq!(
+                rewrite_command_no_prefixes(input, &[]),
+                Some(expected.into()),
+                "Failed for input: {}",
+                input
+            );
+        }
+    }
+
     #[test]
     fn test_rewrite_prettier() {
         let commands = vec![
diff --git a/src/discover/rules.rs b/src/discover/rules.rs
index df7c72d03..ce3b20165 100644
--- a/src/discover/rules.rs
+++ b/src/discover/rules.rs
@@ -346,10 +346,15 @@ pub const RULES: &[RtkRule] = &[
         subcmd_savings: &[],
         subcmd_status: &[],
     },
+    // #1401: Bun is now the primary JS runtime on a growing share of Prisma
+    // projects. `bunx prisma <sub>` is semantically equivalent to
+    // `npx prisma <sub>` (same CLI, same output format), so it routes through
+    // the same `rtk prisma` filter — no new output-handling logic required.
     RtkRule {
-        pattern: r"^((p?np(m|x)|p?npm\s+(exec|run|run-script)|npm\s+(rum|urn|x)|pnpm\s+dlx)\s+)?prisma",
+        pattern: r"^((p?np(m|x)|p?npm\s+(exec|run|run-script)|npm\s+(rum|urn|x)|pnpm\s+dlx|bunx)\s+)?prisma",
         rtk_cmd: "rtk prisma",
         rewrite_prefixes: &[
+            "bunx prisma",
             "npm exec prisma",
             "npm prisma",
             "npm rum prisma",