diff --git a/pom.xml b/pom.xml
index 2ed880a8..bca2817b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -87,6 +87,11 @@ SOFTWARE.
       <artifactId>jcabi-xml</artifactId>
       <version>0.30.1</version>
     </dependency>
+    <dependency>
+      <groupId>io.github.secretx33</groupId>
+      <artifactId>path-matching-resource-pattern-resolver</artifactId>
+      <version>0.1</version>
+    </dependency>
     <dependency>
       <groupId>org.cactoos</groupId>
       <artifactId>cactoos</artifactId>
diff --git a/src/main/java/org/eolang/lints/LintByXsl.java b/src/main/java/org/eolang/lints/LintByXsl.java
index 3eba367b..69ac43e3 100644
--- a/src/main/java/org/eolang/lints/LintByXsl.java
+++ b/src/main/java/org/eolang/lints/LintByXsl.java
@@ -23,12 +23,14 @@
  */
 package org.eolang.lints;
 
+import com.jcabi.xml.ClasspathSources;
 import com.jcabi.xml.XML;
 import com.jcabi.xml.XSL;
 import com.jcabi.xml.XSLDocument;
 import java.io.IOException;
 import java.util.Collection;
 import java.util.LinkedList;
+import org.cactoos.Input;
 import org.cactoos.io.ResourceOf;
 import org.cactoos.text.IoCheckedText;
 import org.cactoos.text.TextOf;
@@ -50,15 +52,24 @@ final class LintByXsl implements Lint {
      * @param xsl Relative path of XSL
      * @throws IOException If fails
      */
-    LintByXsl(final String xsl) throws IOException {
+    LintByXsl(final Input xsl) throws IOException {
         this.sheet = new XSLDocument(
             new IoCheckedText(
-                new TextOf(
-                    new ResourceOf(
-                        String.format("org/eolang/lints/%s.xsl", xsl)
-                    )
-                )
+                new TextOf(xsl)
             ).asString()
+        ).with(new ClasspathSources());
+    }
+
+    /**
+     * Ctor.
+     * @param xsl Relative path of XSL
+     * @throws IOException If fails
+     */
+    LintByXsl(final String xsl) throws IOException {
+        this(
+            new ResourceOf(
+                String.format("org/eolang/lints/%s.xsl", xsl)
+            )
         );
     }
 
diff --git a/src/main/java/org/eolang/lints/Scope.java b/src/main/java/org/eolang/lints/Scope.java
index f9e411e5..8d54f79b 100644
--- a/src/main/java/org/eolang/lints/Scope.java
+++ b/src/main/java/org/eolang/lints/Scope.java
@@ -23,11 +23,13 @@
  */
 package org.eolang.lints;
 
+import io.github.secretx33.resourceresolver.PathMatchingResourcePatternResolver;
 import java.io.IOException;
 import java.nio.file.Path;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.LinkedList;
+import org.cactoos.io.InputOf;
 import org.cactoos.iterable.Mapped;
 
 /**
@@ -40,13 +42,7 @@ public final class Scope {
     /**
      * Lints to use.
      */
-    private static final Iterable<Lint> LINTS = new Mapped<>(
-        LintByXsl::new,
-        Arrays.asList(
-            "critical/duplicate-names",
-            "critical/not-empty-atoms"
-        )
-    );
+    private static final Iterable<Lint> LINTS = Scope.all();
 
     /**
      * Directory with XMIR files.
@@ -76,4 +72,25 @@ public Collection<Defect> defects() throws IOException {
         return messages;
     }
 
+    /**
+     * All lints.
+     * @return List of all lints
+     */
+    private static Iterable<Lint> all() {
+        try {
+            return new Mapped<>(
+                res -> new LintByXsl(
+                    new InputOf(res.getInputStream())
+                ),
+                Arrays.asList(
+                    new PathMatchingResourcePatternResolver().getResources(
+                        "classpath*:org/eolang/lints/**/*.xsl"
+                    )
+                )
+            );
+        } catch (final IOException ex) {
+            throw new IllegalArgumentException(ex);
+        }
+    }
+
 }
diff --git a/src/main/java/org/eolang/lints/Severity.java b/src/main/java/org/eolang/lints/Severity.java
index 9e456687..e10c6a7d 100644
--- a/src/main/java/org/eolang/lints/Severity.java
+++ b/src/main/java/org/eolang/lints/Severity.java
@@ -53,7 +53,7 @@ public static Severity parsed(final String text) {
         final Severity severity;
         if ("critical".equals(text)) {
             severity = Severity.CRITICAL;
-        } else if ("defect".equals(text)) {
+        } else if ("error".equals(text)) {
             severity = Severity.ERROR;
         } else if ("warning".equals(text)) {
             severity = Severity.WARNING;
diff --git a/src/main/resources/org/eolang/lints/metas/mandatory-home-meta.xsl b/src/main/resources/org/eolang/lints/metas/mandatory-home-meta.xsl
index 4829cf40..b7426efd 100644
--- a/src/main/resources/org/eolang/lints/metas/mandatory-home-meta.xsl
+++ b/src/main/resources/org/eolang/lints/metas/mandatory-home-meta.xsl
@@ -32,7 +32,7 @@ SOFTWARE.
             <xsl:text>missing-home</xsl:text>
           </xsl:attribute>
           <xsl:attribute name="line">
-            <xsl:value-of select="@line"/>
+            <xsl:text>0</xsl:text>
           </xsl:attribute>
           <xsl:attribute name="severity">
             <xsl:text>warning</xsl:text>
diff --git a/src/main/resources/org/eolang/lints/metas/mandatory-package-meta.xsl b/src/main/resources/org/eolang/lints/metas/mandatory-package-meta.xsl
index 591f54a3..6468f1a7 100644
--- a/src/main/resources/org/eolang/lints/metas/mandatory-package-meta.xsl
+++ b/src/main/resources/org/eolang/lints/metas/mandatory-package-meta.xsl
@@ -32,7 +32,7 @@ SOFTWARE.
             <xsl:text>missing-package</xsl:text>
           </xsl:attribute>
           <xsl:attribute name="line">
-            <xsl:value-of select="@line"/>
+            <xsl:text>0</xsl:text>
           </xsl:attribute>
           <xsl:attribute name="severity">
             <xsl:text>warning</xsl:text>
diff --git a/src/main/resources/org/eolang/lints/metas/mandatory-version-meta.xsl b/src/main/resources/org/eolang/lints/metas/mandatory-version-meta.xsl
index 1e39bcc8..bb69ffbb 100644
--- a/src/main/resources/org/eolang/lints/metas/mandatory-version-meta.xsl
+++ b/src/main/resources/org/eolang/lints/metas/mandatory-version-meta.xsl
@@ -32,7 +32,7 @@ SOFTWARE.
             <xsl:text>missing-version-meta</xsl:text>
           </xsl:attribute>
           <xsl:attribute name="line">
-            <xsl:value-of select="@line"/>
+            <xsl:text>0</xsl:text>
           </xsl:attribute>
           <xsl:attribute name="severity">
             <xsl:text>warning</xsl:text>