diff --git a/source_resolver.yaml b/source_resolver.yaml
new file mode 100644
index 0000000..b0b7abb
--- /dev/null
+++ b/source_resolver.yaml
@@ -0,0 +1,11 @@
+github_gist:
+    regexp: ^https://gist\.github\.com/([^/]+)/([a-f0-9]+)(?:/([a-f0-9]+))?$
+    url: "https://gist.githubusercontent.com/{user}/{gist_id}/raw"
+
+ gitlab_snippet:
+    regexp: ^https://gitlab\.com/(-)?snippets/([0-9]+)$
+    url: "https://gitlab.com/snippets/{snippet_id}/raw"
+
+ gitea_snippet:
+    regexp: ^https://([^/]+)/snippets/([0-9]+)$
+    url: "https://{host}/snippets/{snippet_id}/raw"
\ No newline at end of file