diff --git a/recipes/json/recipe.py b/recipes/json/recipe.py
new file mode 100644
index 0000000..6888cb8
--- /dev/null
+++ b/recipes/json/recipe.py
@@ -0,0 +1,22 @@
+
+
+import re
+from SCons.Script import *
+
+
+def _git_cook(env: Environment, repo: dict) -> dict:
+    checkout_root = repo['checkout_root']
+    build_result = env.CMakeProject(project_root=checkout_root)
+    return {
+        'CPPPATH': build_result['CPPPATH']
+    }
+
+
+env.GitRecipe(
+    globals = globals(),
+    repo_name = 'json',
+    repo_url = 'https://github.com/nlohmann/json.git',
+    tag_pattern = re.compile(r'^v([0-9]+)\.([0-9]+)\.([0-9]+)$'),
+    tag_fn = lambda version: f'v{version[0]}.{version[1]}.{version[2]}',
+    cook_fn = _git_cook
+)
diff --git a/recipes/yaml-cpp/recipe.py b/recipes/yaml-cpp/recipe.py
index 6d5a556..cf79ef1 100644
--- a/recipes/yaml-cpp/recipe.py
+++ b/recipes/yaml-cpp/recipe.py
@@ -19,7 +19,7 @@ def _git_cook(env: Environment, repo: dict) -> dict:
 env.GitRecipe(
     globals = globals(),
     repo_name = 'yaml-cpp',
-    repo_url = 'https://github.com/jbeder/yaml-cpp',
+    repo_url = 'https://github.com/jbeder/yaml-cpp.git',
     tag_pattern = re.compile(r'^yaml-cpp-([0-9]+)\.([0-9]+)\.([0-9]+)$'),
     tag_fn = lambda version: f'yaml-cpp-{version[0]}.{version[1]}.{version[2]}',
     cook_fn = _git_cook