diff --git a/main.sh b/main.sh
index 8b7404fb6..43ed61ac0 100755
--- a/main.sh
+++ b/main.sh
@@ -68,7 +68,9 @@ download_and_extract() {
     local tmp
     case "${tool}" in
         # xbuild's binary name is "x", as opposed to the usual crate name
-        xbuild) installed_bin=("${bin_dir}/x") ;;
+        xbuild) installed_bin=("${bin_dir}/x${exe}") ;;
+        # editorconfig-checker's binary name is renamed below
+        editorconfig-checker) installed_bin=("${bin_dir}/${tool}${exe}") ;;
         *)
             for tmp in "${bin_in_archive[@]}"; do
                 installed_bin+=("${bin_dir}/$(basename "${tmp}")")
@@ -129,7 +131,10 @@ download_and_extract() {
             tar_args+=("tmp")
             tar "${tar_args[@]}"
             for tmp in "${bin_in_archive[@]}"; do
-                mv "${tmp}" "${bin_dir}/"
+                case "${tool}" in
+                    editorconfig-checker) mv "${tmp}" "${bin_dir}/${tool}${exe}" ;;
+                    *) mv "${tmp}" "${bin_dir}/" ;;
+                esac
             done
         else
             case "${url}" in
diff --git a/manifests/editorconfig-checker.json b/manifests/editorconfig-checker.json
new file mode 100644
index 000000000..b6e2ff00f
--- /dev/null
+++ b/manifests/editorconfig-checker.json
@@ -0,0 +1,58 @@
+{
+  "rust_crate": null,
+  "template": {
+    "x86_64_linux_gnu": {
+      "url": "https://github.com/editorconfig-checker/editorconfig-checker/releases/download/v${version}/ec-linux-amd64.tar.gz",
+      "bin": "bin/ec-linux-amd64"
+    },
+    "x86_64_macos": {
+      "url": "https://github.com/editorconfig-checker/editorconfig-checker/releases/download/v${version}/ec-darwin-amd64.tar.gz",
+      "bin": "bin/ec-darwin-amd64"
+    },
+    "x86_64_windows": {
+      "url": "https://github.com/editorconfig-checker/editorconfig-checker/releases/download/v${version}/ec-windows-amd64.exe.tar.gz",
+      "bin": "bin/ec-windows-amd64.exe"
+    },
+    "aarch64_linux_gnu": {
+      "url": "https://github.com/editorconfig-checker/editorconfig-checker/releases/download/v${version}/ec-linux-arm64.tar.gz",
+      "bin": "bin/ec-linux-arm64"
+    },
+    "aarch64_macos": {
+      "url": "https://github.com/editorconfig-checker/editorconfig-checker/releases/download/v${version}/ec-darwin-arm64.tar.gz",
+      "bin": "bin/ec-darwin-arm64"
+    },
+    "aarch64_windows": {
+      "url": "https://github.com/editorconfig-checker/editorconfig-checker/releases/download/v${version}/ec-windows-arm64.exe.tar.gz",
+      "bin": "bin/ec-windows-arm64.exe"
+    }
+  },
+  "latest": {
+    "version": "3.0.0"
+  },
+  "3": {
+    "version": "3.0.0"
+  },
+  "3.0": {
+    "version": "3.0.0"
+  },
+  "3.0.0": {
+    "x86_64_linux_gnu": {
+      "checksum": "8e2f3c5fa4891542535185a4859c5f92832bc11821eb03a081bc6bd87af5a829"
+    },
+    "x86_64_macos": {
+      "checksum": "d331806227c1a1ed96ddd34eceac51bd1cef0121f78bdb09d509771f6e5aec79"
+    },
+    "x86_64_windows": {
+      "checksum": "ff171ef63361bbd783622ba778a83e6fe5d6615e8b9e9e9c2f2c177e89dba499"
+    },
+    "aarch64_linux_gnu": {
+      "checksum": "edf1d12ba1e6ff70090f063e7937081b49ba6007cd02e45f8329bbf965ed609e"
+    },
+    "aarch64_macos": {
+      "checksum": "35324d5914d147cb51859e49c48909cef22ae448fca407b9d39f95dcc77be109"
+    },
+    "aarch64_windows": {
+      "checksum": "40b382a225a345e28f575010b637a372eb004ba3f1544341df0fbc265d183ff6"
+    }
+  }
+}
diff --git a/tools/codegen/base/editorconfig-checker.json b/tools/codegen/base/editorconfig-checker.json
new file mode 100644
index 000000000..5c9941d8c
--- /dev/null
+++ b/tools/codegen/base/editorconfig-checker.json
@@ -0,0 +1,31 @@
+{
+  "repository": "https://github.com/editorconfig-checker/editorconfig-checker",
+  "tag_prefix": "v",
+  "version_range": ">= 3.0.0",
+  "platform": {
+    "x86_64_linux_gnu": {
+      "asset_name": "ec-linux-amd64.tar.gz",
+      "bin": "bin/ec-linux-amd64"
+    },
+    "aarch64_linux_gnu": {
+      "asset_name": "ec-linux-arm64.tar.gz",
+      "bin": "bin/ec-linux-arm64"
+    },
+    "x86_64_macos": {
+      "asset_name": "ec-darwin-amd64.tar.gz",
+      "bin": "bin/ec-darwin-amd64"
+    },
+    "aarch64_macos": {
+      "asset_name": "ec-darwin-arm64.tar.gz",
+      "bin": "bin/ec-darwin-arm64"
+    },
+    "x86_64_windows": {
+      "asset_name": "ec-windows-amd64${exe}.tar.gz",
+      "bin": "bin/ec-windows-amd64${exe}"
+    },
+    "aarch64_windows": {
+      "asset_name": "ec-windows-arm64${exe}.tar.gz",
+      "bin": "bin/ec-windows-arm64${exe}"
+    }
+  }
+}
diff --git a/tools/codegen/src/main.rs b/tools/codegen/src/main.rs
index bdf094776..8fb4dca86 100644
--- a/tools/codegen/src/main.rs
+++ b/tools/codegen/src/main.rs
@@ -26,7 +26,7 @@ fn main() -> Result<()> {
     let args: Vec<_> = env::args().skip(1).collect();
     if args.is_empty() || args.iter().any(|arg| arg.starts_with('-')) {
         println!(
-            "USAGE: cargo run -p install-action-internal-codegen -r -- <PACKAGE> [VERSION_REQ]"
+            "USAGE: cargo run --release -p install-action-internal-codegen -- <PACKAGE> [VERSION_REQ]"
         );
         std::process::exit(1);
     }