diff --git a/crates/snapbox/src/action.rs b/crates/snapbox/src/assert/action.rs
similarity index 100%
rename from crates/snapbox/src/action.rs
rename to crates/snapbox/src/assert/action.rs
diff --git a/crates/snapbox/src/error.rs b/crates/snapbox/src/assert/error.rs
similarity index 97%
rename from crates/snapbox/src/error.rs
rename to crates/snapbox/src/assert/error.rs
index 19297714..16fdf832 100644
--- a/crates/snapbox/src/error.rs
+++ b/crates/snapbox/src/assert/error.rs
@@ -1,3 +1,5 @@
+pub type Result<T, E = Error> = std::result::Result<T, E>;
+
 #[derive(Clone, Debug)]
 pub struct Error {
     inner: String,
diff --git a/crates/snapbox/src/assert.rs b/crates/snapbox/src/assert/mod.rs
similarity index 97%
rename from crates/snapbox/src/assert.rs
rename to crates/snapbox/src/assert/mod.rs
index 152ba22e..2c986c4e 100644
--- a/crates/snapbox/src/assert.rs
+++ b/crates/snapbox/src/assert/mod.rs
@@ -1,3 +1,6 @@
+mod action;
+mod error;
+
 #[cfg(feature = "color")]
 use anstream::panic;
 #[cfg(feature = "color")]
@@ -6,9 +9,13 @@ use anstream::stderr;
 use std::io::stderr;
 
 use crate::filters::{Filter as _, FilterNewlines, FilterPaths, FilterRedactions};
-use crate::Action;
 use crate::IntoData;
 
+pub use action::Action;
+pub use action::DEFAULT_ACTION_ENV;
+pub use error::Error;
+pub use error::Result;
+
 /// Snapshot assertion against a file's contents
 ///
 /// Useful for one-off assertions with the snapshot stored in a file
@@ -75,7 +82,7 @@ impl Assert {
         expected: crate::Data,
         actual: crate::Data,
         actual_name: Option<&dyn std::fmt::Display>,
-    ) -> Result<(), crate::Error> {
+    ) -> Result<()> {
         if expected.source().is_none() && actual.source().is_some() {
             panic!("received `(actual, expected)`, expected `(expected, actual)`");
         }
@@ -122,7 +129,7 @@ impl Assert {
         expected: crate::Data,
         actual: crate::Data,
         actual_name: Option<&dyn std::fmt::Display>,
-    ) -> Result<(), crate::Error> {
+    ) -> Result<()> {
         let result = self.try_verify(&expected, &actual, actual_name);
         let Err(err) = result else {
             return Ok(());
@@ -149,7 +156,7 @@ impl Assert {
                 } else {
                     crate::report::Styled::new(String::new(), Default::default())
                 };
-                Err(crate::Error::new(format_args!("{err}{message}")))
+                Err(Error::new(format_args!("{err}{message}")))
             }
             Action::Overwrite => {
                 use std::io::Write;
@@ -159,7 +166,7 @@ impl Assert {
                     actual.write_to(source).unwrap();
                     Ok(())
                 } else {
-                    Err(crate::Error::new(format_args!("{err}")))
+                    Err(Error::new(format_args!("{err}")))
                 }
             }
         }
@@ -170,7 +177,7 @@ impl Assert {
         expected: &crate::Data,
         actual: &crate::Data,
         actual_name: Option<&dyn std::fmt::Display>,
-    ) -> crate::Result<()> {
+    ) -> Result<()> {
         if expected != actual {
             let mut buf = String::new();
             crate::report::write_diff(
diff --git a/crates/snapbox/src/cmd.rs b/crates/snapbox/src/cmd.rs
index 7dd26ed6..201d2402 100644
--- a/crates/snapbox/src/cmd.rs
+++ b/crates/snapbox/src/cmd.rs
@@ -23,7 +23,7 @@ impl Command {
             stdin: None,
             timeout: None,
             _stderr_to_stdout: false,
-            config: crate::Assert::new().action_env(crate::DEFAULT_ACTION_ENV),
+            config: crate::Assert::new().action_env(crate::assert::DEFAULT_ACTION_ENV),
         }
     }
 
@@ -34,7 +34,7 @@ impl Command {
             stdin: None,
             timeout: None,
             _stderr_to_stdout: false,
-            config: crate::Assert::new().action_env(crate::DEFAULT_ACTION_ENV),
+            config: crate::Assert::new().action_env(crate::assert::DEFAULT_ACTION_ENV),
         }
     }
 
@@ -456,7 +456,7 @@ impl OutputAssert {
     pub fn new(output: std::process::Output) -> Self {
         Self {
             output,
-            config: crate::Assert::new().action_env(crate::DEFAULT_ACTION_ENV),
+            config: crate::Assert::new().action_env(crate::assert::DEFAULT_ACTION_ENV),
         }
     }
 
@@ -871,7 +871,7 @@ pub(crate) mod examples {
     pub fn compile_example<'a>(
         target_name: &str,
         args: impl IntoIterator<Item = &'a str>,
-    ) -> Result<std::path::PathBuf, crate::Error> {
+    ) -> Result<std::path::PathBuf, crate::assert::Error> {
         crate::debug!("Compiling example {}", target_name);
         let messages = escargot::CargoBuild::new()
             .current_target()
@@ -879,12 +879,12 @@ pub(crate) mod examples {
             .example(target_name)
             .args(args)
             .exec()
-            .map_err(|e| crate::Error::new(e.to_string()))?;
+            .map_err(|e| crate::assert::Error::new(e.to_string()))?;
         for message in messages {
-            let message = message.map_err(|e| crate::Error::new(e.to_string()))?;
+            let message = message.map_err(|e| crate::assert::Error::new(e.to_string()))?;
             let message = message
                 .decode()
-                .map_err(|e| crate::Error::new(e.to_string()))?;
+                .map_err(|e| crate::assert::Error::new(e.to_string()))?;
             crate::debug!("Message: {:?}", message);
             if let Some(bin) = decode_example_message(&message) {
                 let (name, bin) = bin?;
@@ -893,7 +893,7 @@ pub(crate) mod examples {
             }
         }
 
-        Err(crate::Error::new(format!(
+        Err(crate::assert::Error::new(format!(
             "Unknown error building example {}",
             target_name
         )))
@@ -914,8 +914,8 @@ pub(crate) mod examples {
     pub fn compile_examples<'a>(
         args: impl IntoIterator<Item = &'a str>,
     ) -> Result<
-        impl Iterator<Item = (String, Result<std::path::PathBuf, crate::Error>)>,
-        crate::Error,
+        impl Iterator<Item = (String, Result<std::path::PathBuf, crate::assert::Error>)>,
+        crate::assert::Error,
     > {
         crate::debug!("Compiling examples");
         let mut examples = std::collections::BTreeMap::new();
@@ -926,12 +926,12 @@ pub(crate) mod examples {
             .examples()
             .args(args)
             .exec()
-            .map_err(|e| crate::Error::new(e.to_string()))?;
+            .map_err(|e| crate::assert::Error::new(e.to_string()))?;
         for message in messages {
-            let message = message.map_err(|e| crate::Error::new(e.to_string()))?;
+            let message = message.map_err(|e| crate::assert::Error::new(e.to_string()))?;
             let message = message
                 .decode()
-                .map_err(|e| crate::Error::new(e.to_string()))?;
+                .map_err(|e| crate::assert::Error::new(e.to_string()))?;
             crate::debug!("Message: {:?}", message);
             if let Some(bin) = decode_example_message(&message) {
                 let (name, bin) = bin?;
@@ -945,7 +945,9 @@ pub(crate) mod examples {
     #[allow(clippy::type_complexity)]
     fn decode_example_message<'m>(
         message: &'m escargot::format::Message,
-    ) -> Option<Result<(&'m str, Result<std::path::PathBuf, crate::Error>), crate::Error>> {
+    ) -> Option<
+        Result<(&'m str, Result<std::path::PathBuf, crate::assert::Error>), crate::assert::Error>,
+    > {
         match message {
             escargot::format::Message::CompilerMessage(msg) => {
                 let level = msg.message.level;
@@ -959,10 +961,10 @@ pub(crate) mod examples {
                         .unwrap_or_else(|| msg.message.message.as_ref())
                         .to_owned();
                     if is_example_target(&msg.target) {
-                        let bin = Err(crate::Error::new(output));
+                        let bin = Err(crate::assert::Error::new(output));
                         Some(Ok((msg.target.name.as_ref(), bin)))
                     } else {
-                        Some(Err(crate::Error::new(output)))
+                        Some(Err(crate::assert::Error::new(output)))
                     }
                 } else {
                     None
diff --git a/crates/snapbox/src/data/mod.rs b/crates/snapbox/src/data/mod.rs
index bc67e650..9a1a5dff 100644
--- a/crates/snapbox/src/data/mod.rs
+++ b/crates/snapbox/src/data/mod.rs
@@ -269,7 +269,7 @@ impl Data {
         Self::with_inner(DataInner::JsonLines(serde_json::Value::Array(raw.into())))
     }
 
-    fn error(raw: impl Into<crate::Error>, intended: DataFormat) -> Self {
+    fn error(raw: impl Into<crate::assert::Error>, intended: DataFormat) -> Self {
         Self::with_inner(DataInner::Error(DataError {
             error: raw.into(),
             intended,
@@ -322,7 +322,7 @@ impl Data {
     pub fn try_read_from(
         path: &std::path::Path,
         data_format: Option<DataFormat>,
-    ) -> Result<Self, crate::Error> {
+    ) -> Result<Self, crate::assert::Error> {
         let data =
             std::fs::read(path).map_err(|e| format!("Failed to read {}: {}", path.display(), e))?;
         let data = Self::binary(data);
@@ -346,7 +346,7 @@ impl Data {
     }
 
     /// Overwrite a snapshot
-    pub fn write_to(&self, source: &DataSource) -> Result<(), crate::Error> {
+    pub fn write_to(&self, source: &DataSource) -> Result<(), crate::assert::Error> {
         match &source.inner {
             source::DataSourceInner::Path(p) => self.write_to_path(p),
             source::DataSourceInner::Inline(p) => runtime::get()
@@ -356,7 +356,7 @@ impl Data {
     }
 
     /// Overwrite a snapshot
-    pub fn write_to_path(&self, path: &std::path::Path) -> Result<(), crate::Error> {
+    pub fn write_to_path(&self, path: &std::path::Path) -> Result<(), crate::assert::Error> {
         if let Some(parent) = path.parent() {
             std::fs::create_dir_all(parent).map_err(|e| {
                 format!("Failed to create parent dir for {}: {}", path.display(), e)
@@ -384,7 +384,7 @@ impl Data {
         }
     }
 
-    pub fn to_bytes(&self) -> Result<Vec<u8>, crate::Error> {
+    pub fn to_bytes(&self) -> Result<Vec<u8>, crate::assert::Error> {
         match &self.inner {
             DataInner::Error(err) => Err(err.error.clone()),
             DataInner::Binary(data) => Ok(data.clone()),
@@ -408,7 +408,7 @@ impl Data {
         }
     }
 
-    fn try_is(self, format: DataFormat) -> Result<Self, crate::Error> {
+    fn try_is(self, format: DataFormat) -> Result<Self, crate::assert::Error> {
         let original = self.format();
         let source = self.source;
         let filters = self.filters;
@@ -650,7 +650,7 @@ impl PartialEq for Data {
 
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub(crate) struct DataError {
-    error: crate::Error,
+    error: crate::assert::Error,
     intended: DataFormat,
 }
 
diff --git a/crates/snapbox/src/filters/redactions.rs b/crates/snapbox/src/filters/redactions.rs
index ad876640..b0d1c461 100644
--- a/crates/snapbox/src/filters/redactions.rs
+++ b/crates/snapbox/src/filters/redactions.rs
@@ -49,7 +49,7 @@ impl Redactions {
         &mut self,
         placeholder: &'static str,
         value: impl Into<RedactedValue>,
-    ) -> Result<(), crate::Error> {
+    ) -> Result<(), crate::assert::Error> {
         let placeholder = validate_placeholder(placeholder)?;
         let value = value.into();
         if let Some(inner) = value.inner {
@@ -66,14 +66,14 @@ impl Redactions {
     pub fn extend(
         &mut self,
         vars: impl IntoIterator<Item = (&'static str, impl Into<RedactedValue>)>,
-    ) -> Result<(), crate::Error> {
+    ) -> Result<(), crate::assert::Error> {
         for (placeholder, value) in vars {
             self.insert(placeholder, value)?;
         }
         Ok(())
     }
 
-    pub fn remove(&mut self, placeholder: &'static str) -> Result<(), crate::Error> {
+    pub fn remove(&mut self, placeholder: &'static str) -> Result<(), crate::assert::Error> {
         let placeholder = validate_placeholder(placeholder)?;
         self.vars.remove(placeholder);
         Ok(())
@@ -291,7 +291,7 @@ fn replace_many<'a>(
     }
 }
 
-fn validate_placeholder(placeholder: &'static str) -> Result<&'static str, crate::Error> {
+fn validate_placeholder(placeholder: &'static str) -> Result<&'static str, crate::assert::Error> {
     if !placeholder.starts_with('[') || !placeholder.ends_with(']') {
         return Err(format!("Key `{}` is not enclosed in []", placeholder).into());
     }
diff --git a/crates/snapbox/src/harness.rs b/crates/snapbox/src/harness.rs
index b706ce5f..5bb00671 100644
--- a/crates/snapbox/src/harness.rs
+++ b/crates/snapbox/src/harness.rs
@@ -35,7 +35,7 @@
 //! }
 //! ```
 
-use crate::Action;
+use crate::assert::Action;
 use crate::Data;
 
 use libtest_mimic::Trial;
@@ -81,7 +81,7 @@ where
             overrides: None,
             setup,
             test,
-            config: crate::Assert::new().action_env(crate::DEFAULT_ACTION_ENV),
+            config: crate::Assert::new().action_env(crate::assert::DEFAULT_ACTION_ENV),
             test_output: Default::default(),
             test_error: Default::default(),
         }
diff --git a/crates/snapbox/src/lib.rs b/crates/snapbox/src/lib.rs
index 50626126..563882be 100644
--- a/crates/snapbox/src/lib.rs
+++ b/crates/snapbox/src/lib.rs
@@ -94,11 +94,9 @@
 
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
-mod action;
-mod assert;
-mod error;
 mod macros;
 
+pub mod assert;
 pub mod cmd;
 pub mod data;
 pub mod filters;
@@ -109,20 +107,15 @@ pub mod utils;
 #[cfg(feature = "harness")]
 pub mod harness;
 
-pub use action::Action;
-pub use action::DEFAULT_ACTION_ENV;
 pub use assert::Assert;
 pub use data::Data;
 pub use data::IntoData;
 #[cfg(feature = "json")]
 pub use data::IntoJson;
 pub use data::ToDebug;
-pub use error::Error;
 pub use filters::Redactions;
 pub use snapbox_macros::debug;
 
-pub type Result<T, E = Error> = std::result::Result<T, E>;
-
 /// Easier access to common traits
 pub mod prelude {
     pub use crate::IntoData;
@@ -159,7 +152,7 @@ pub mod prelude {
 #[track_caller]
 pub fn assert_eq(expected: impl IntoData, actual: impl IntoData) {
     Assert::new()
-        .action_env(DEFAULT_ACTION_ENV)
+        .action_env(assert::DEFAULT_ACTION_ENV)
         .eq(expected, actual);
 }
 
@@ -179,7 +172,7 @@ pub fn assert_subset_eq(
     actual_root: impl Into<std::path::PathBuf>,
 ) {
     Assert::new()
-        .action_env(DEFAULT_ACTION_ENV)
+        .action_env(assert::DEFAULT_ACTION_ENV)
         .subset_eq(expected_root, actual_root);
 }
 
@@ -206,6 +199,6 @@ pub fn assert_subset_matches(
     actual_root: impl Into<std::path::PathBuf>,
 ) {
     Assert::new()
-        .action_env(DEFAULT_ACTION_ENV)
+        .action_env(assert::DEFAULT_ACTION_ENV)
         .subset_matches(pattern_root, actual_root);
 }
diff --git a/crates/snapbox/src/path.rs b/crates/snapbox/src/path.rs
index d8d4bc02..5869c1e1 100644
--- a/crates/snapbox/src/path.rs
+++ b/crates/snapbox/src/path.rs
@@ -37,7 +37,7 @@ impl PathFixture {
     }
 
     #[cfg(feature = "path")]
-    pub fn mutable_temp() -> Result<Self, crate::Error> {
+    pub fn mutable_temp() -> Result<Self, crate::assert::Error> {
         let temp = tempfile::tempdir().map_err(|e| e.to_string())?;
         // We need to get the `/private` prefix on Mac so variable substitutions work
         // correctly
@@ -47,7 +47,7 @@ impl PathFixture {
     }
 
     #[cfg(feature = "path")]
-    pub fn mutable_at(target: &std::path::Path) -> Result<Self, crate::Error> {
+    pub fn mutable_at(target: &std::path::Path) -> Result<Self, crate::assert::Error> {
         let _ = std::fs::remove_dir_all(target);
         std::fs::create_dir_all(target)
             .map_err(|e| format!("Failed to create {}: {}", target.display(), e))?;
@@ -55,7 +55,10 @@ impl PathFixture {
     }
 
     #[cfg(feature = "path")]
-    pub fn with_template(self, template_root: &std::path::Path) -> Result<Self, crate::Error> {
+    pub fn with_template(
+        self,
+        template_root: &std::path::Path,
+    ) -> Result<Self, crate::assert::Error> {
         match &self.0 {
             PathFixtureInner::None | PathFixtureInner::Immutable(_) => {
                 return Err("Sandboxing is disabled".into());
@@ -114,7 +117,7 @@ impl Default for PathFixture {
 
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub enum PathDiff {
-    Failure(crate::Error),
+    Failure(crate::assert::Error),
     TypeMismatch {
         expected_path: std::path::PathBuf,
         actual_path: std::path::PathBuf,
@@ -373,7 +376,7 @@ impl PathDiff {
         Ok(())
     }
 
-    pub fn overwrite(&self) -> Result<(), crate::Error> {
+    pub fn overwrite(&self) -> Result<(), crate::assert::Error> {
         match self {
             // Not passing the error up because users most likely want to treat a processing error
             // differently than an overwrite error
@@ -513,7 +516,7 @@ impl Iterator for Walk {
 pub fn copy_template(
     source: impl AsRef<std::path::Path>,
     dest: impl AsRef<std::path::Path>,
-) -> Result<(), crate::Error> {
+) -> Result<(), crate::assert::Error> {
     let source = source.as_ref();
     let dest = dest.as_ref();
     let source = canonicalize(source)
@@ -535,7 +538,10 @@ pub fn copy_template(
 }
 
 /// Copy a file system entry, without recursing
-fn shallow_copy(source: &std::path::Path, dest: &std::path::Path) -> Result<(), crate::Error> {
+fn shallow_copy(
+    source: &std::path::Path,
+    dest: &std::path::Path,
+) -> Result<(), crate::assert::Error> {
     let meta = source
         .symlink_metadata()
         .map_err(|e| format!("Failed to read metadata from {}: {}", source.display(), e))?;
diff --git a/crates/trycmd/src/lib.rs b/crates/trycmd/src/lib.rs
index a74e572d..565fc1a7 100644
--- a/crates/trycmd/src/lib.rs
+++ b/crates/trycmd/src/lib.rs
@@ -240,7 +240,7 @@ mod runner;
 mod spec;
 
 pub use cases::TestCases;
-pub use snapbox::Error;
+pub use snapbox::assert::Error;
 
 pub(crate) use registry::BinRegistry;
 pub(crate) use runner::{Case, Mode, Runner};
diff --git a/crates/trycmd/src/schema.rs b/crates/trycmd/src/schema.rs
index 36a0bc69..eb78705a 100644
--- a/crates/trycmd/src/schema.rs
+++ b/crates/trycmd/src/schema.rs
@@ -446,7 +446,7 @@ fn overwrite_trycmd_status(
     step: &Step,
     stdout_line_nums: &mut std::ops::Range<usize>,
     normalized: &mut String,
-) -> Result<(), snapbox::Error> {
+) -> Result<(), snapbox::assert::Error> {
     let status = match exit {
         Some(status) => status,
         _ => {