diff --git a/projects/hamcrest/Dockerfile b/projects/hamcrest/Dockerfile
new file mode 100644
index 000000000..5d4caf894
--- /dev/null
+++ b/projects/hamcrest/Dockerfile
@@ -0,0 +1,23 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder-jvm
+
+RUN git clone https://github.com/hamcrest/JavaHamcrest.git hamcrest
+
+COPY build.sh $SRC/
+COPY *.java $SRC/
+WORKDIR $SRC/hamcrest
diff --git a/projects/hamcrest/HamcrestFuzzer.java b/projects/hamcrest/HamcrestFuzzer.java
new file mode 100644
index 000000000..a8be620f7
--- /dev/null
+++ b/projects/hamcrest/HamcrestFuzzer.java
@@ -0,0 +1,295 @@
+
+// Copyright 2021 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////////
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.*;
+import java.util.*;
+import java.util.regex.*;
+import javax.xml.xpath.*;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import org.w3c.dom.Attr;
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import java.util.HashMap;
+
+public class HamcrestFuzzer {
+
+  HashMap<String, String> hashMap = new HashMap<String, String>();
+  HashMap<String, String> hashMap2 = new HashMap<String, String>();
+
+  public HamcrestFuzzer(FuzzedDataProvider data) {
+  }
+
+  public void runTest(FuzzedDataProvider data) {
+
+    hashMap.put(data.consumeString(10), data.consumeString(10));
+    hashMap2.put(data.consumeString(10), data.consumeString(10));
+
+    try {
+      assertThat(data.consumeString(10), containsString(data.consumeString(10)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10),allOf(startsWith(data.consumeString(10)), containsString(data.consumeString(10))));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(hashMap, is(hashMap2));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(hashMap2, is(aMapWithSize(2)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(hashMap2, is(anEmptyMap()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(Arrays.asList(data.consumeString(10), data.consumeString(10)), hasSize(equalTo(2)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(new ArrayList<String>() { { add(data.consumeString(10)); add(data.consumeString(10));}}, is(empty()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(new ArrayList<String>() {{ add(data.consumeString(10)); add(data.consumeString(10));}}, is(emptyCollectionOf(String.class)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(new ArrayList<String>() {{add(data.consumeString(10));add(data.consumeString(10));}}, is(emptyIterable()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(new ArrayList<String>() {{add(data.consumeString(10));add(data.consumeString(10));}}, is(emptyIterableOf(String.class)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(Arrays.asList(data.consumeString(10), data.consumeString(10)),contains(equalTo(data.consumeString(10)), equalTo(data.consumeString(10))));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(Arrays.asList(data.consumeString(10), data.consumeString(10)),containsInAnyOrder(Arrays.asList(equalTo(data.consumeString(10)), equalTo(data.consumeString(10)))));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(hashMap, hasEntry(equalTo(data.consumeString(10)), equalTo(data.consumeString(10))));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(hashMap, hasKey(equalTo(data.consumeString(10))));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(hashMap, hasValue(data.consumeString(10)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), is(in(Arrays.asList(data.consumeString(10), data.consumeString(10)))));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), isOneOf(data.consumeString(10), data.consumeString(10)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), is(oneOf(data.consumeString(10), data.consumeString(10))));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeDouble(), is(closeTo(data.consumeDouble(), data.consumeDouble())));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeDouble(), is(notANumber()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeInt(), comparesEqualTo(data.consumeInt()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeInt(), greaterThan(data.consumeInt()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeInt(), greaterThanOrEqualTo(data.consumeInt()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeInt(), lessThan(data.consumeInt()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeInt(), lessThanOrEqualTo(data.consumeInt()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), equalToIgnoringCase(data.consumeString(10)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), is(emptyString()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), is(blankString()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeInt(), lessThanOrEqualTo(data.consumeInt()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), equalToIgnoringCase(data.consumeString(10)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), is(emptyOrNullString()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), is(blankOrNullString()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), matchesPattern(data.consumeString(10)));
+    } catch (AssertionError | PatternSyntaxException e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10),stringContainsInOrder(Arrays.asList(data.consumeString(10), data.consumeString(10))));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeString(10), hasLength(data.consumeInt()));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(data.consumeBoolean(), hasToString(data.consumeString(10)));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      assertThat(Integer.class, typeCompatibleWith(Number.class));
+    } catch (AssertionError e) {
+      // documented ignore
+    }
+
+    try {
+      DocumentBuilderFactory documentFactory = DocumentBuilderFactory.newInstance();
+      DocumentBuilder documentBuilder = documentFactory.newDocumentBuilder();
+      Document document = documentBuilder.newDocument();
+
+      Element root = document.createElement(data.consumeString(10));
+      document.appendChild(root);
+
+      Element employee = document.createElement(data.consumeString(10));
+      root.appendChild(employee);
+
+      assertThat(root, hasXPath(data.consumeString(10), equalTo(data.consumeString(10))));
+    } catch (AssertionError | DOMException | IllegalArgumentException | ParserConfigurationException e) {
+      // documented ignore
+    }
+
+  }
+
+  public static void fuzzerTestOneInput(FuzzedDataProvider data) {
+    HamcrestFuzzer testClosure = new HamcrestFuzzer(data);
+    testClosure.runTest(data);
+  }
+
+}
diff --git a/projects/hamcrest/build.sh b/projects/hamcrest/build.sh
new file mode 100644
index 000000000..d5164c431
--- /dev/null
+++ b/projects/hamcrest/build.sh
@@ -0,0 +1,52 @@
+#!/bin/bash -eu
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+
+ALL_JARS=""
+
+pushd "${SRC}/hamcrest"
+	./gradlew jar
+  install -v ./hamcrest/build/libs/hamcrest-*-SNAPSHOT.jar "$OUT/hamcrest.jar"
+	ALL_JARS="${ALL_JARS} hamcrest.jar"
+popd
+
+# The classpath at build-time includes the project jars in $OUT as well as the
+# Jazzer API.
+BUILD_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "$OUT/%s:"):$JAZZER_API_PATH
+
+# All .jar and .class files lie in the same directory as the fuzzer at runtime.
+RUNTIME_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "\$this_dir/%s:"):\$this_dir
+
+# compile all java files and copy them to $OUT
+javac -cp $SRC:$BUILD_CLASSPATH -g $SRC/*.java
+cp $SRC/*.class $OUT/
+
+for fuzzer in $(find $SRC -name '*Fuzzer.java'); do
+  fuzzer_basename=$(basename -s .java $fuzzer)
+
+  # Create an execution wrapper that executes Jazzer with the correct arguments.
+  echo "#!/bin/sh
+# LLVMFuzzerTestOneInput for fuzzer detection.
+this_dir=\$(dirname \"\$0\")
+LD_LIBRARY_PATH=\"$JVM_LD_LIBRARY_PATH\":\$this_dir \
+\$this_dir/jazzer_driver --agent_path=\$this_dir/jazzer_agent_deploy.jar \
+--cp=$RUNTIME_CLASSPATH \
+--target_class=$fuzzer_basename \
+--jvm_args=\"-Xmx2048m\" \
+\$@" > $OUT/$fuzzer_basename
+  chmod u+x $OUT/$fuzzer_basename
+done
diff --git a/projects/hamcrest/project.yaml b/projects/hamcrest/project.yaml
new file mode 100644
index 000000000..c132020c7
--- /dev/null
+++ b/projects/hamcrest/project.yaml
@@ -0,0 +1,14 @@
+homepage: http://hamcrest.org/
+language: jvm
+main_repo: https://github.com/hamcrest/JavaHamcrest.git
+fuzzing_engines:
+  - libfuzzer
+sanitizers:
+  - address
+vendor_ccs:
+  - "wagner@code-intelligence.com"
+  - "yakdan@code-intelligence.com"
+  - "glendowne@code-intelligence.com"
+  - "patrice.salathe@code-intelligence.com"
+  - "hlin@code-intelligence.com"
+  - "schaich@code-intelligence.com"