diff --git a/Makefile b/Makefile
index 6e9e29b..a6207fa 100644
--- a/Makefile
+++ b/Makefile
@@ -30,6 +30,58 @@ TEST_ENV="UBSAN_OPTIONS=print_stacktrace=1:halt_on_error=1"
 
 all:
 
+.PHONY: harness harness-afl harness-laf harness-cmplog harness-sand fuzz fuzz-stop
+
+harness: harness-afl harness-laf harness-cmplog harness-sand
+
+harness-afl: harness.c picohttpparser.c
+	afl-clang-lto -fsanitize=fuzzer -I. harness.c picohttpparser.c -o harness.afl
+
+harness-laf: harness.c picohttpparser.c
+	AFL_LLVM_LAF_ALL=1 afl-clang-lto -fsanitize=fuzzer -I. harness.c picohttpparser.c -o harness.laf
+
+harness-cmplog: harness.c picohttpparser.c
+	AFL_LLVM_CMPLOG=1 afl-clang-lto -fsanitize=fuzzer -I. harness.c picohttpparser.c -o harness.cmplog
+
+harness-sand: harness.c picohttpparser.c
+	AFL_USE_ASAN=1 AFL_USE_UBSAN=1 AFL_LLVM_ONLY_FSRV=1 afl-clang-lto -fsanitize=fuzzer -I. harness.c picohttpparser.c -o harness.asanubsan
+	AFL_USE_MSAN=1 AFL_LLVM_ONLY_FSRV=1 afl-clang-lto -fsanitize=fuzzer -I. harness.c picohttpparser.c -o harness.msan
+	AFL_USE_CFISAN=1 AFL_LLVM_ONLY_FSRV=1 afl-clang-lto -fsanitize=fuzzer -I. harness.c picohttpparser.c -o harness.cfisan
+	AFL_USE_TSAN=1 AFL_LLVM_ONLY_FSRV=1 afl-clang-lto -fsanitize=fuzzer -I. harness.c picohttpparser.c -o harness.tsan
+
+fuzz: harness
+	screen -dmS afl-main bash -c 'export AFL_FINAL_SYNC=1; afl-fuzz -M main -i in -o out ./harness.afl'
+	screen -dmS afl-sand-01 bash -c 'afl-fuzz -S sand-01 -i in -o out -w ./harness.asanubsan -w ./harness.msan -w ./harness.cfisan -w ./harness.tsan ./harness.afl'
+	screen -dmS afl-cmplog-01 bash -c 'afl-fuzz -S cmplog-01 -i in -o out -c ./harness.cmplog ./harness.afl'
+	screen -dmS afl-cmplog-02 bash -c 'afl-fuzz -S cmplog-02 -i in -o out -c ./harness.cmplog ./harness.afl'
+	screen -dmS afl-laf-01 bash -c 'afl-fuzz -S laf-01 -i in -o out ./harness.laf'
+	screen -dmS afl-laf-02 bash -c 'afl-fuzz -S laf-02 -i in -o out ./harness.laf'
+	screen -dmS afl-laf-03 bash -c 'afl-fuzz -S laf-03 -i in -o out ./harness.laf'
+	screen -dmS afl-mopt-01 bash -c 'afl-fuzz -S mopt-01 -i in -o out -L 0 ./harness.afl'
+	screen -dmS afl-old-queue-cycling-01 bash -c 'afl-fuzz -S old-queue-cycling-01 -i in -o out -Z ./harness.afl'
+	screen -dmS afl-disable-trim-01 bash -c 'export AFL_DISABLE_TRIM=1; afl-fuzz -S disable-trim-01 -i in -o out ./harness.afl'
+	screen -dmS afl-explore-01 bash -c 'afl-fuzz -S explore-01 -i in -o out -p explore ./harness.afl'
+	screen -dmS afl-exploit-01 bash -c 'afl-fuzz -S exploit-01 -i in -o out -p exploit ./harness.afl'
+	screen -dmS afl-ascii-01 bash -c 'afl-fuzz -S ascii-01 -i in -o out -a ascii ./harness.afl'
+	screen -dmS afl-binary-01 bash -c 'afl-fuzz -S binary-01 -i in -o out -a binary ./harness.afl'
+
+fuzz-stop:
+	screen -S afl-main -X quit
+	screen -S afl-sand-01 -X quit
+	screen -S afl-cmplog-01 -X quit
+	screen -S afl-cmplog-02 -X quit
+	screen -S afl-laf-01 -X quit
+	screen -S afl-laf-02 -X quit
+	screen -S afl-laf-03 -X quit
+	screen -S afl-mopt-01 -X quit
+	screen -S afl-old-queue-cycling-01 -X quit
+	screen -S afl-disable-trim-01 -X quit
+	screen -S afl-explore-01 -X quit
+	screen -S afl-exploit-01 -X quit
+	screen -S afl-ascii-01 -X quit
+	screen -S afl-binary-01 -X quit
+
+
 test: test-bin
 	env $(TEST_ENV) $(PROVE) -v ./test-bin
 
diff --git a/harness.c b/harness.c
new file mode 100644
index 0000000..d111287
--- /dev/null
+++ b/harness.c
@@ -0,0 +1,15 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include "picohttpparser.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+    const char *method, *path;
+    int minor_version;
+    struct phr_header headers[100];
+    size_t method_len, path_len, num_headers = 100;
+
+    phr_parse_request((const char *)data, size, &method, &method_len, &path, &path_len,
+                      &minor_version, headers, &num_headers, 0);
+
+    return 0;
+}
\ No newline at end of file