diff --git a/AGENTS.md b/AGENTS.md
index 3043e9b..05a4030 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -105,7 +105,7 @@
   Do not use `nix fmt` as a validation command until a formatter is added.
 - The `fix` app passes its current directory to Deadnix.
   Run `nix run .#fix` from the repository root so path exclusions match.
-- During the Nix refactor, address each issue that comes up by adding either a Xatu rule or a new Nix style rule.
+- During the Nix refactor, address each issue that comes up by adding either a Natu rule or a new Nix style rule.
 - Git pathspec searches started in a subdirectory default to that subtree.
   Use `git -C <repository-root>` or top-anchored pathspecs for repository-wide history searches.
 - Ariadne extraction must preserve the game-root season prefix for archived source.
diff --git a/Cargo.lock b/Cargo.lock
index bedb295..7203c1f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -190,6 +190,18 @@ checksum = "cf8baf1c55e62ffcace7a9f06f4bd9cd3f0c4beb022d3b367256b91b87513d98"
 name = "monorepo"
 version = "0.1.0"
 
+[[package]]
+name = "natu"
+version = "0.1.0"
+dependencies = [
+ "clap",
+ "googletest",
+ "monorepo",
+ "rnix",
+ "rowan",
+ "status",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -393,18 +405,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "xatu"
-version = "0.1.0"
-dependencies = [
- "clap",
- "googletest",
- "monorepo",
- "rnix",
- "rowan",
- "status",
-]
-
 [[package]]
 name = "zmij"
 version = "1.0.23"
diff --git a/Cargo.toml b/Cargo.toml
index 70160ad..a9e1b62 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ members = [
     "src/machoke",
     "src/monorepo",
     "src/status",
-    "src/xatu",
+    "src/natu",
 ]
 resolver = "3"
 
diff --git a/MODULE.bazel b/MODULE.bazel
index 85ede7d..8f6add4 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -14,4 +14,5 @@ rust = use_extension("//bazel:rust.bzl", "rust")
 use_repo(rust, "rust")
 
 register_toolchains("@python//:python")
+
 register_toolchains("@rust//:rust")
diff --git a/docs/TODO.md b/docs/TODO.md
index 536bc01..853b804 100644
--- a/docs/TODO.md
+++ b/docs/TODO.md
@@ -3,7 +3,7 @@
 - machoke
 - falinks
 - dotfiles
-- xatu
+- natu
 - nix-style / refactor
 
 # project ideas
@@ -100,7 +100,7 @@
         - https://www.youtube.com/watch?v=kzcI5F4tGiU
         - https://www.youtube.com/watch?v=iKwPaB5TUdI
         - https://www.youtube.com/watch?v=A-CtdQFRX64
-- xatu literature
+- natu literature
     - https://rust-analyzer.github.io/book/contributing/syntax.html?utm_source=chatgpt.com
     - https://github.com/dotnet/roslyn/blob/main/docs/compilers/Design/Red-Green%20Trees.md?utm_source=chatgpt.com
     - https://github.com/rust-analyzer/rowan/blob/master/examples/s_expressions.rs?utm_source=chatgpt.com
diff --git a/src/flake/apps.nix b/src/flake/apps.nix
index 321cdb3..35777a3 100644
--- a/src/flake/apps.nix
+++ b/src/flake/apps.nix
@@ -24,7 +24,7 @@ in
               configs/nixos/hosts/neogaia/hardware-configuration.nix \
               configs/nixos/hosts/pikachu/hardware-configuration.nix \
               configs/nixos/hosts/zeus/hardware-configuration.nix \
-              src/xatu/testdata \
+              src/natu/testdata \
               third_party \
             -- .
           treefmt
diff --git a/src/flake/formatter.nix b/src/flake/formatter.nix
index 632ecf2..737906c 100644
--- a/src/flake/formatter.nix
+++ b/src/flake/formatter.nix
@@ -6,7 +6,7 @@ inputs.treefmt-nix.lib.evalModule inputs.nixpkgs.legacyPackages.${system} {
 
   settings.formatter.nixfmt.excludes = [
     "configs/nixos/hosts/*/hardware-configuration.nix"
-    "src/xatu/testdata/*.nix"
+    "src/natu/testdata/*.nix"
     "third_party/**"
   ];
 }
diff --git a/src/xatu/BUILD b/src/natu/BUILD
similarity index 78%
rename from src/xatu/BUILD
rename to src/natu/BUILD
index 0ca6ac7..40c8de6 100644
--- a/src/xatu/BUILD
+++ b/src/natu/BUILD
@@ -1,11 +1,12 @@
 load("@rules_rust//rust:defs.bzl", "rust_binary", "rust_library", "rust_test")
 
 rust_library(
-    name = "xatu_lib",
-    crate_name = "xatu",
+    name = "natu_lib",
+    crate_name = "natu",
     srcs = [
         "ast.rs",
         "file_store.rs",
+        "natu.rs",
         "parser.rs",
         "rules.rs",
         "rules/let_order.rs",
@@ -13,7 +14,6 @@ rust_library(
         "rules/manual_inherit_from.rs",
         "rules/unquoted_uri.rs",
         "scope_graph.rs",
-        "xatu.rs",
     ],
     deps = [
         "//src/status:status",
@@ -25,30 +25,30 @@ rust_library(
 rust_test(
     name = "file_store_test",
     srcs = ["file_store_test.rs"],
-    deps = [":xatu_lib"],
+    deps = [":natu_lib"],
 )
 
 rust_test(
-    name = "xatu_test",
-    srcs = ["xatu_test.rs"],
+    name = "natu_test",
+    srcs = ["natu_test.rs"],
     data = [
         "testdata/clean.nix",
         "testdata/invalid.nix",
         "testdata/lint_findings.nix",
     ],
     deps = [
-        ":xatu_lib",
+        ":natu_lib",
         "//src/status:status",
         "//third_party/crates:googletest",
     ],
 )
 
 rust_binary(
-    name = "xatu",
-    crate_name = "xatu_cli",
-    srcs = ["xatu_main.rs"],
+    name = "natu",
+    crate_name = "natu_cli",
+    srcs = ["natu_main.rs"],
     deps = [
-        ":xatu_lib",
+        ":natu_lib",
         "//src/monorepo:monorepo",
         "//src/status:status",
         "//third_party/crates:clap",
diff --git a/src/xatu/Cargo.toml b/src/natu/Cargo.toml
similarity index 81%
rename from src/xatu/Cargo.toml
rename to src/natu/Cargo.toml
index d12e186..4899ceb 100644
--- a/src/xatu/Cargo.toml
+++ b/src/natu/Cargo.toml
@@ -1,14 +1,14 @@
 [package]
-name = "xatu"
+name = "natu"
 version = "0.1.0"
 edition = "2024"
 
 [lib]
-path = "xatu.rs"
+path = "natu.rs"
 
 [[bin]]
-name = "xatu"
-path = "xatu_main.rs"
+name = "natu"
+path = "natu_main.rs"
 
 [dependencies]
 clap = { workspace = true, features = ["derive"] }
diff --git a/src/xatu/ast.rs b/src/natu/ast.rs
similarity index 100%
rename from src/xatu/ast.rs
rename to src/natu/ast.rs
diff --git a/src/xatu/file_store.rs b/src/natu/file_store.rs
similarity index 100%
rename from src/xatu/file_store.rs
rename to src/natu/file_store.rs
diff --git a/src/xatu/file_store_test.rs b/src/natu/file_store_test.rs
similarity index 95%
rename from src/xatu/file_store_test.rs
rename to src/natu/file_store_test.rs
index faa9d04..eea4302 100644
--- a/src/xatu/file_store_test.rs
+++ b/src/natu/file_store_test.rs
@@ -1,6 +1,6 @@
 use std::path::PathBuf;
 
-use xatu::{FileStore, SourceFile};
+use natu::{FileStore, SourceFile};
 
 fn source_file(path: &str, source: &str) -> SourceFile {
     SourceFile {
diff --git a/src/xatu/xatu.rs b/src/natu/natu.rs
similarity index 96%
rename from src/xatu/xatu.rs
rename to src/natu/natu.rs
index f718d89..d942ea5 100644
--- a/src/xatu/xatu.rs
+++ b/src/natu/natu.rs
@@ -53,7 +53,7 @@ fn line_range(source: &str, range: ast::SourceRange) -> (usize, usize) {
     (start, end)
 }
 
-/// Analyzes source files and returns the diagnostics Xatu finds.
+/// Analyzes source files and returns the diagnostics Natu finds.
 pub fn future_sight(files: Vec<SourceFile>) -> status::Result<Report> {
     let mut store = FileStore::default();
     let mut diagnostics = Vec::new();
diff --git a/src/xatu/xatu_main.rs b/src/natu/natu_main.rs
similarity index 97%
rename from src/xatu/xatu_main.rs
rename to src/natu/natu_main.rs
index 256984d..2042f96 100644
--- a/src/xatu/xatu_main.rs
+++ b/src/natu/natu_main.rs
@@ -1,8 +1,8 @@
 use clap::Parser;
+use natu::{Report, SourceFile};
 use status::ResultExt;
 use std::path::{Path, PathBuf};
 use std::process::ExitCode;
-use xatu::{Report, SourceFile};
 
 fn main() -> ExitCode {
     let args = Args::parse();
@@ -44,7 +44,7 @@ fn analyze(args: Args) -> status::Result<Report> {
         .flatten()
         .collect();
 
-    xatu::future_sight(files)
+    natu::future_sight(files)
 }
 
 fn collect_source_files(path: &Path) -> status::Result<Vec<SourceFile>> {
diff --git a/src/xatu/xatu_test.rs b/src/natu/natu_test.rs
similarity index 72%
rename from src/xatu/xatu_test.rs
rename to src/natu/natu_test.rs
index 66ebd71..45087bd 100644
--- a/src/xatu/xatu_test.rs
+++ b/src/natu/natu_test.rs
@@ -3,7 +3,7 @@ use std::path::{Path, PathBuf};
 use googletest::matchers::{contains, eq, is_true};
 use googletest::{OrFail, expect_that, gtest};
 use status::Code;
-use xatu::SourceFile;
+use natu::SourceFile;
 
 fn fixture_source(path: &str) -> googletest::Result<SourceFile> {
     Ok(SourceFile {
@@ -20,20 +20,20 @@ fn fixture_path(path: &str) -> googletest::Result<PathBuf> {
     let runfiles = PathBuf::from(std::env::var("TEST_SRCDIR").or_fail()?);
     let workspace = std::env::var("TEST_WORKSPACE").or_fail()?;
 
-    Ok(runfiles.join(workspace).join("src/xatu").join(path))
+    Ok(runfiles.join(workspace).join("src/natu").join(path))
 }
 
 #[gtest]
-fn xatu_accepts_clean_source() -> googletest::Result<()> {
-    let report = xatu::future_sight(vec![fixture_source("testdata/clean.nix")?]).or_fail()?;
+fn natu_accepts_clean_source() -> googletest::Result<()> {
+    let report = natu::future_sight(vec![fixture_source("testdata/clean.nix")?]).or_fail()?;
 
     expect_that!(report.is_clean(), is_true());
     Ok(())
 }
 
 #[gtest]
-fn xatu_rejects_invalid_source() -> googletest::Result<()> {
-    let error = xatu::future_sight(vec![fixture_source("testdata/invalid.nix")?])
+fn natu_rejects_invalid_source() -> googletest::Result<()> {
+    let error = natu::future_sight(vec![fixture_source("testdata/invalid.nix")?])
         .err()
         .or_fail()?;
 
@@ -42,8 +42,8 @@ fn xatu_rejects_invalid_source() -> googletest::Result<()> {
 }
 
 #[gtest]
-fn xatu_reports_out_of_order_let_bindings() -> googletest::Result<()> {
-    let report = xatu::future_sight(vec![fixture_source("testdata/lint_findings.nix")?]).or_fail()?;
+fn natu_reports_out_of_order_let_bindings() -> googletest::Result<()> {
+    let report = natu::future_sight(vec![fixture_source("testdata/lint_findings.nix")?]).or_fail()?;
 
     let let_order_count = report
         .diagnostics
@@ -55,8 +55,8 @@ fn xatu_reports_out_of_order_let_bindings() -> googletest::Result<()> {
 }
 
 #[gtest]
-fn xatu_reports_unquoted_uri() -> googletest::Result<()> {
-    let report = xatu::future_sight(vec![fixture_source("testdata/lint_findings.nix")?]).or_fail()?;
+fn natu_reports_unquoted_uri() -> googletest::Result<()> {
+    let report = natu::future_sight(vec![fixture_source("testdata/lint_findings.nix")?]).or_fail()?;
 
     let findings = report
         .diagnostics
@@ -79,8 +79,8 @@ fn xatu_reports_unquoted_uri() -> googletest::Result<()> {
 }
 
 #[gtest]
-fn xatu_reports_manual_inherit() -> googletest::Result<()> {
-    let report = xatu::future_sight(vec![fixture_source("testdata/lint_findings.nix")?]).or_fail()?;
+fn natu_reports_manual_inherit() -> googletest::Result<()> {
+    let report = natu::future_sight(vec![fixture_source("testdata/lint_findings.nix")?]).or_fail()?;
 
     let manual_inherit_count = report
         .diagnostics
@@ -92,8 +92,8 @@ fn xatu_reports_manual_inherit() -> googletest::Result<()> {
 }
 
 #[gtest]
-fn xatu_reports_manual_inherit_from() -> googletest::Result<()> {
-    let report = xatu::future_sight(vec![fixture_source("testdata/lint_findings.nix")?]).or_fail()?;
+fn natu_reports_manual_inherit_from() -> googletest::Result<()> {
+    let report = natu::future_sight(vec![fixture_source("testdata/lint_findings.nix")?]).or_fail()?;
 
     let manual_inherit_from_count = report
         .diagnostics
diff --git a/src/xatu/parser.rs b/src/natu/parser.rs
similarity index 100%
rename from src/xatu/parser.rs
rename to src/natu/parser.rs
diff --git a/src/xatu/rules.rs b/src/natu/rules.rs
similarity index 100%
rename from src/xatu/rules.rs
rename to src/natu/rules.rs
diff --git a/src/xatu/rules/let_order.rs b/src/natu/rules/let_order.rs
similarity index 100%
rename from src/xatu/rules/let_order.rs
rename to src/natu/rules/let_order.rs
diff --git a/src/xatu/rules/manual_inherit.rs b/src/natu/rules/manual_inherit.rs
similarity index 100%
rename from src/xatu/rules/manual_inherit.rs
rename to src/natu/rules/manual_inherit.rs
diff --git a/src/xatu/rules/manual_inherit_from.rs b/src/natu/rules/manual_inherit_from.rs
similarity index 100%
rename from src/xatu/rules/manual_inherit_from.rs
rename to src/natu/rules/manual_inherit_from.rs
diff --git a/src/xatu/rules/unquoted_uri.rs b/src/natu/rules/unquoted_uri.rs
similarity index 100%
rename from src/xatu/rules/unquoted_uri.rs
rename to src/natu/rules/unquoted_uri.rs
diff --git a/src/xatu/scope_graph.rs b/src/natu/scope_graph.rs
similarity index 100%
rename from src/xatu/scope_graph.rs
rename to src/natu/scope_graph.rs
diff --git a/src/xatu/testdata/clean.nix b/src/natu/testdata/clean.nix
similarity index 100%
rename from src/xatu/testdata/clean.nix
rename to src/natu/testdata/clean.nix
diff --git a/src/xatu/testdata/invalid.nix b/src/natu/testdata/invalid.nix
similarity index 100%
rename from src/xatu/testdata/invalid.nix
rename to src/natu/testdata/invalid.nix
diff --git a/src/xatu/testdata/lint_findings.nix b/src/natu/testdata/lint_findings.nix
similarity index 100%
rename from src/xatu/testdata/lint_findings.nix
rename to src/natu/testdata/lint_findings.nix
diff --git a/third_party/crates/crates.bzl b/third_party/crates/crates.bzl
index b6d2518..7f725e1 100644
--- a/third_party/crates/crates.bzl
+++ b/third_party/crates/crates.bzl
@@ -314,8 +314,8 @@ _CRATE_EDITIONS = {
     "src/ariadne": "2024",
     "src/machoke": "2024",
     "src/monorepo": "2024",
+    "src/natu": "2024",
     "src/status": "2024",
-    "src/xatu": "2024",
 }
 
 _NORMAL_DEPENDENCIES = {
@@ -335,15 +335,15 @@ _NORMAL_DEPENDENCIES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
-    },
-    "src/xatu": {
+    "src/natu": {
         _COMMON_CONDITION: {
             "clap": Label("//third_party/crates/clap-4.6.7:clap"),
             "rnix": Label("//third_party/crates/rnix-0.14.0:rnix"),
             "rowan": Label("//third_party/crates/rowan-0.16.1:rowan"),
         },
     },
+    "src/status": {
+    },
 }
 
 _NORMAL_ALIASES = {
@@ -359,12 +359,12 @@ _NORMAL_ALIASES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
-    },
-    "src/xatu": {
+    "src/natu": {
         _COMMON_CONDITION: {
         },
     },
+    "src/status": {
+    },
 }
 
 _NORMAL_DEV_DEPENDENCIES = {
@@ -376,13 +376,13 @@ _NORMAL_DEV_DEPENDENCIES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
-    },
-    "src/xatu": {
+    "src/natu": {
         _COMMON_CONDITION: {
             "googletest": Label("//third_party/crates/googletest-0.14.3:googletest"),
         },
     },
+    "src/status": {
+    },
 }
 
 _NORMAL_DEV_ALIASES = {
@@ -394,12 +394,12 @@ _NORMAL_DEV_ALIASES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
-    },
-    "src/xatu": {
+    "src/natu": {
         _COMMON_CONDITION: {
         },
     },
+    "src/status": {
+    },
 }
 
 _PROC_MACRO_DEPENDENCIES = {
@@ -411,9 +411,9 @@ _PROC_MACRO_DEPENDENCIES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
+    "src/natu": {
     },
-    "src/xatu": {
+    "src/status": {
     },
 }
 
@@ -426,9 +426,9 @@ _PROC_MACRO_ALIASES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
+    "src/natu": {
     },
-    "src/xatu": {
+    "src/status": {
     },
 }
 
@@ -441,9 +441,9 @@ _PROC_MACRO_DEV_DEPENDENCIES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
+    "src/natu": {
     },
-    "src/xatu": {
+    "src/status": {
     },
 }
 
@@ -456,12 +456,12 @@ _PROC_MACRO_DEV_ALIASES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
-    },
-    "src/xatu": {
+    "src/natu": {
         _COMMON_CONDITION: {
         },
     },
+    "src/status": {
+    },
 }
 
 _BUILD_DEPENDENCIES = {
@@ -473,9 +473,9 @@ _BUILD_DEPENDENCIES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
+    "src/natu": {
     },
-    "src/xatu": {
+    "src/status": {
     },
 }
 
@@ -488,9 +488,9 @@ _BUILD_ALIASES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
+    "src/natu": {
     },
-    "src/xatu": {
+    "src/status": {
     },
 }
 
@@ -503,9 +503,9 @@ _BUILD_PROC_MACRO_DEPENDENCIES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
+    "src/natu": {
     },
-    "src/xatu": {
+    "src/status": {
     },
 }
 
@@ -518,9 +518,9 @@ _BUILD_PROC_MACRO_ALIASES = {
     },
     "src/monorepo": {
     },
-    "src/status": {
+    "src/natu": {
     },
-    "src/xatu": {
+    "src/status": {
     },
 }