diff --git a/foundry.toml b/foundry.toml
new file mode 100644
index 0000000..306a3be
--- /dev/null
+++ b/foundry.toml
@@ -0,0 +1,6 @@
+[profile.default]
+# seems to have no effect (?)
+src = 'contracts'
+test = 'test/foundry/'
+solc_version = "0.8.19"
+out = 'build/foundry'
diff --git a/package.json b/package.json
index 62fc29f..c60c4d0 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,8 @@
 	"scripts": {
 		"build": "truffle compile --all",
 		"test": "truffle test",
+		"test:foundry": "scripts/test-foundry.sh",
+		"test:foundry:fraction-on-op": "TOKEN=0xbd80cfa9d93a87d1bb895f810ea348e496611cd4 scripts/test-foundry.sh optimism-mainnet",
 		"prepare": "husky install"
 	},
 	"dependencies": {