diff --git a/.gitignore b/.gitignore
index 69868f413..5b3d4b67d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -59,3 +59,10 @@ compile_commands.json
 # Bazel output paths
 /bazel-*
 /MODULE.bazel.lock
+
+# wyvrnpm-generated — do not commit
+/build/
+/wyvrn_internal/
+/wyvrn.lock
+/CMakePresets.json
+/CMakeUserPresets.json
diff --git a/.wyvrnignore b/.wyvrnignore
new file mode 100644
index 000000000..971974988
--- /dev/null
+++ b/.wyvrnignore
@@ -0,0 +1,29 @@
+# Version control / editor / local
+.git/
+.gitignore
+.gitattributes
+.gitmodules
+.github/
+.vscode/
+.idea/
+
+# Local build output + wyvrnpm-generated files
+build/
+wyvrn_internal/
+wyvrn.lock
+CMakePresets.json
+CMakeUserPresets.json
+*.tmp
+*.log
+
+# Static/Dynamic lib: drop tests/docs/examples/CI, keep CMakeLists.txt
+test/
+tests/
+example/
+examples/
+doc/
+docs/
+docker/
+bin/
+appveyor.yml
+.travis.yml
diff --git a/wyvrn.json b/wyvrn.json
new file mode 100644
index 000000000..9ad020eb8
--- /dev/null
+++ b/wyvrn.json
@@ -0,0 +1,22 @@
+{
+  "name": "jsoncpp",
+  "version": "1.9.7.0",
+  "schemaVersion": 2,
+  "kind": "StaticLib",
+  "description": "TODO: one-line description of jsoncpp",
+  "dependencies": {},
+  "build": {
+    "system": "cmake",
+    "configs": [
+      "Debug",
+      "Release",
+      "RelWithDebInfo",
+      "MinSizeRel"
+    ],
+    "configure": [
+      "-DJSONCPP_WITH_TESTS=OFF",
+      "-DJSONCPP_WITH_POST_BUILD_UNITTEST=OFF"
+    ],
+    "installDir": "install"
+  }
+}