diff --git a/Cargo.lock b/Cargo.lock
index 3dcdc8166..4e2e12f24 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1546,6 +1546,10 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "fastn-jdebug"
+version = "0.1.0"
+
 [[package]]
 name = "fastn-js"
 version = "0.1.0"
@@ -1599,7 +1603,7 @@ dependencies = [
 
 [[package]]
 name = "fastn-type"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "serde",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 2f6e8fb43..d9714808f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,20 +6,21 @@ members = [
     "fastn-ds",
     "fastn-expr",
     "fastn-issues",
+    "fastn-jdebug",
     "fastn-js",
     "fastn-lang",
     "fastn-package",
+    "fastn-type",
     "fastn-update",
     "fastn-utils",
+    "fbt",
+    "fbt_lib",
     "foo",
     "ftd",
     "ftd-ast",
     "ftd-p1",
     "ftd-tc",
-    "fbt",
-    "fbt_lib",
     "t",
-    "fastn-type",
     # "fastn-wasm",
     # "fastn-runtime",
 ]
diff --git a/fastn-jdebug/Cargo.toml b/fastn-jdebug/Cargo.toml
new file mode 100644
index 000000000..6741d789f
--- /dev/null
+++ b/fastn-jdebug/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "fastn-jdebug"
+version = "0.1.0"
+authors.workspace = true
+edition.workspace = true
+description.workspace = true
+license = "BSD-3-Clause"
+repository.workspace = true
+homepage.workspace = true
+
+[dependencies]
+serde_json = "1"
\ No newline at end of file
diff --git a/fastn-jdebug/src/lib.rs b/fastn-jdebug/src/lib.rs
new file mode 100644
index 000000000..73f78314b
--- /dev/null
+++ b/fastn-jdebug/src/lib.rs
@@ -0,0 +1,3 @@
+pub trait JDebug {
+    fn debug(&self, source: &str) -> serde_json::Value;
+}
diff --git a/v0.5/Cargo.lock b/v0.5/Cargo.lock
index 97770e735..14a815bce 100644
--- a/v0.5/Cargo.lock
+++ b/v0.5/Cargo.lock
@@ -112,9 +112,9 @@ version = "0.1.0"
 
 [[package]]
 name = "fastn-type"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1494ecd11081fa81a57265457a27262fb640e70cf84acf2c551a8e8a2d69c1c1"
+checksum = "9883bbd7d5d180775a060a91fe8ef54be033146d55318e4e8ab6099d4a58072e"
 dependencies = [
  "serde",
 ]
diff --git a/v0.5/fastn-section/src/lib.rs b/v0.5/fastn-section/src/lib.rs
index 04f1fd677..d95e39a52 100644
--- a/v0.5/fastn-section/src/lib.rs
+++ b/v0.5/fastn-section/src/lib.rs
@@ -17,10 +17,6 @@ pub use error::Error;
 pub use fastn_section::warning::Warning;
 pub use scanner::{Scannable, Scanner};
 
-pub trait JDebug {
-    fn debug(&self, source: &str) -> serde_json::Value;
-}
-
 pub enum Diagnostic {
     Error(Error),
     Warning(Warning),