diff --git a/Q/QuadraticKalman/Compat.toml b/Q/QuadraticKalman/Compat.toml
new file mode 100644
index 000000000000000..df0137204866252
--- /dev/null
+++ b/Q/QuadraticKalman/Compat.toml
@@ -0,0 +1,12 @@
+[0]
+DifferentiableEigen = "0.2.0"
+ForwardDiff = "0.10"
+LinearAlgebra = "1"
+LogExpFunctions = "0.3"
+Parameters = "0.12"
+Preferences = "1.4.0-1"
+Random = "1"
+RecipesBase = "1.3.0-1"
+SparseArrays = "1"
+SpecialFunctions = "2"
+julia = "1.11.0-1"
diff --git a/Q/QuadraticKalman/Deps.toml b/Q/QuadraticKalman/Deps.toml
new file mode 100644
index 000000000000000..6d442b7cb996161
--- /dev/null
+++ b/Q/QuadraticKalman/Deps.toml
@@ -0,0 +1,11 @@
+[0]
+DifferentiableEigen = "73a20539-4e65-4dcb-a56d-dc20f210a01b"
+ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+LogExpFunctions = "2ab3a3ac-af41-5b50-aa03-7779005ae688"
+Parameters = "d96e819e-fc66-5662-9728-84c9c7592b0a"
+Preferences = "21216c6a-2e73-6563-6e65-726566657250"
+Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
+SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
+SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
diff --git a/Q/QuadraticKalman/Package.toml b/Q/QuadraticKalman/Package.toml
new file mode 100644
index 000000000000000..4e4fe600eb95df3
--- /dev/null
+++ b/Q/QuadraticKalman/Package.toml
@@ -0,0 +1,3 @@
+name = "QuadraticKalman"
+uuid = "03de00d5-86b5-48ba-885c-e25084f99d9a"
+repo = "https://github.com/dleather/QuadraticKalman.jl.git"
diff --git a/Q/QuadraticKalman/Versions.toml b/Q/QuadraticKalman/Versions.toml
new file mode 100644
index 000000000000000..a82b66fa258ec92
--- /dev/null
+++ b/Q/QuadraticKalman/Versions.toml
@@ -0,0 +1,2 @@
+["0.1.0"]
+git-tree-sha1 = "ffc5df1aa1d428aae449818ad0a3a2e72594917d"
diff --git a/Registry.toml b/Registry.toml
index bfbdc9070939f1e..832bc87da187c3c 100644
--- a/Registry.toml
+++ b/Registry.toml
@@ -183,6 +183,7 @@ some amount of consideration when choosing package names.
 03d21f85-4b71-5aa4-88fd-39a722493ec0 = { name = "DeepDish", path = "D/DeepDish" }
 03d38035-ed2f-4a36-82eb-797f1727ab2e = { name = "SingleCellProjections", path = "S/SingleCellProjections" }
 03d9041e-b4d2-508d-8c1c-d30ef48c1ce0 = { name = "GRQt6_jll", path = "jll/G/GRQt6_jll" }
+03de00d5-86b5-48ba-885c-e25084f99d9a = { name = "QuadraticKalman", path = "Q/QuadraticKalman" }
 03de777c-af7e-5070-b460-500ad0553889 = { name = "UnitlessFlatten", path = "U/UnitlessFlatten" }
 03de9d45-54dd-5e36-9810-6ca1d577e6b3 = { name = "GAP_pkg_cvec_jll", path = "jll/G/GAP_pkg_cvec_jll" }
 03e070a6-cabd-5a65-a0e2-949769773651 = { name = "FAMSA_jll", path = "jll/F/FAMSA_jll" }