diff --git a/Cargo.lock b/Cargo.lock
index 4e0e72d3415..93b622627b4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1891,6 +1891,10 @@ dependencies = [
  "shlex",
 ]
 
+[[package]]
+name = "jsondoclint"
+version = "0.1.0"
+
 [[package]]
 name = "jsonpath_lib"
 version = "0.2.6"
diff --git a/Cargo.toml b/Cargo.toml
index 5753730053f..e49fe5e2f63 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,6 +33,7 @@ members = [
   "src/tools/unicode-table-generator",
   "src/tools/expand-yaml-anchors",
   "src/tools/jsondocck",
+  "src/tools/jsondoclint",
   "src/tools/html-checker",
   "src/tools/bump-stage0",
   "src/tools/replace-version-placeholder",
diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs
index f61c9583085..9d286ddd6d1 100644
--- a/src/bootstrap/test.rs
+++ b/src/bootstrap/test.rs
@@ -1341,6 +1341,8 @@ fn run(self, builder: &Builder<'_>) {
             let json_compiler = compiler.with_stage(0);
             cmd.arg("--jsondocck-path")
                 .arg(builder.ensure(tool::JsonDocCk { compiler: json_compiler, target }));
+            cmd.arg("--jsondoclint-path")
+                .arg(builder.ensure(tool::JsonDocLint { compiler: json_compiler, target }));
         }
 
         if mode == "run-make" {
diff --git a/src/bootstrap/tool.rs b/src/bootstrap/tool.rs
index c3b04a9bbce..7d4ed24b648 100644
--- a/src/bootstrap/tool.rs
+++ b/src/bootstrap/tool.rs
@@ -376,6 +376,7 @@ fn run(self, builder: &Builder<'_>) -> PathBuf {
     ExpandYamlAnchors, "src/tools/expand-yaml-anchors", "expand-yaml-anchors";
     LintDocs, "src/tools/lint-docs", "lint-docs";
     JsonDocCk, "src/tools/jsondocck", "jsondocck";
+    JsonDocLint, "src/tools/jsondoclint", "jsondoclint";
     HtmlChecker, "src/tools/html-checker", "html-checker";
     BumpStage0, "src/tools/bump-stage0", "bump-stage0";
     ReplaceVersionPlaceholder, "src/tools/replace-version-placeholder", "replace-version-placeholder";
diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs
index 6f17b9e1be9..64df76e2772 100644
--- a/src/tools/compiletest/src/common.rs
+++ b/src/tools/compiletest/src/common.rs
@@ -203,6 +203,9 @@ pub struct Config {
     /// The jsondocck executable.
     pub jsondocck_path: Option<String>,
 
+    /// The jsondoclint executable.
+    pub jsondoclint_path: Option<String>,
+
     /// The LLVM `FileCheck` binary path.
     pub llvm_filecheck: Option<PathBuf>,
 
diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs
index 0e2cc52a645..38c7b87fc0d 100644
--- a/src/tools/compiletest/src/main.rs
+++ b/src/tools/compiletest/src/main.rs
@@ -64,6 +64,7 @@ pub fn parse_config(args: Vec<String>) -> Config {
         .optopt("", "rust-demangler-path", "path to rust-demangler to use in tests", "PATH")
         .reqopt("", "python", "path to python to use for doc tests", "PATH")
         .optopt("", "jsondocck-path", "path to jsondocck to use for doc tests", "PATH")
+        .optopt("", "jsondoclint-path", "path to jsondoclint to use for doc tests", "PATH")
         .optopt("", "valgrind-path", "path to Valgrind executable for Valgrind tests", "PROGRAM")
         .optflag("", "force-valgrind", "fail if Valgrind tests cannot be run under Valgrind")
         .optopt("", "run-clang-based-tests-with", "path to Clang executable", "PATH")
@@ -226,6 +227,7 @@ fn make_absolute(path: PathBuf) -> PathBuf {
         rust_demangler_path: matches.opt_str("rust-demangler-path").map(PathBuf::from),
         python: matches.opt_str("python").unwrap(),
         jsondocck_path: matches.opt_str("jsondocck-path"),
+        jsondoclint_path: matches.opt_str("jsondoclint-path"),
         valgrind_path: matches.opt_str("valgrind-path"),
         force_valgrind: matches.opt_present("force-valgrind"),
         run_clang_based_tests_with: matches.opt_str("run-clang-based-tests-with"),
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index e2afa5ef590..9cbb6b7c393 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -2572,6 +2572,14 @@ fn run_rustdoc_json_test(&self) {
         if !res.status.success() {
             self.fatal_proc_rec("check_missing_items failed!", &res);
         }
+
+        let res = self.cmd2procres(
+            Command::new(self.config.jsondoclint_path.as_ref().unwrap()).arg(&json_out),
+        );
+
+        if !res.status.success() {
+            self.fatal_proc_rec("jsondoclint failed!", &res);
+        }
     }
 
     fn get_lines<P: AsRef<Path>>(
diff --git a/src/tools/jsondoclint/Cargo.toml b/src/tools/jsondoclint/Cargo.toml
new file mode 100644
index 00000000000..42bb77fde41
--- /dev/null
+++ b/src/tools/jsondoclint/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "jsondoclint"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/src/tools/jsondoclint/src/main.rs b/src/tools/jsondoclint/src/main.rs
new file mode 100644
index 00000000000..f328e4d9d04
--- /dev/null
+++ b/src/tools/jsondoclint/src/main.rs
@@ -0,0 +1 @@
+fn main() {}
diff --git a/triagebot.toml b/triagebot.toml
index 4b2dcc246e4..11caedbb959 100644
--- a/triagebot.toml
+++ b/triagebot.toml
@@ -132,6 +132,7 @@ trigger_files = [
     "src/etc/htmldocck.py",
     "src/etc/check_missing_items.py",
     "src/tools/jsondocck",
+    "src/tools/jsondoclint",
     "src/tools/rustdoc-gui",
     "src/tools/rustdoc-js",
     "src/tools/rustdoc-themes",
@@ -147,6 +148,7 @@ trigger_files = [
     "src/rustdoc-json-types",
     "src/test/rustdoc-json",
     "src/tools/jsondocck",
+    "src/tools/jsondoclint",
 ]
 
 [autolabel."T-compiler"]