diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0032331c269..735ab8f62ee 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -619,31 +619,7 @@ jobs:
         with:
           global-json-file: global.json
 
-      - name: Override NuGet packages
-        run: |
-          dotnet pack crates/bindings-csharp/BSATN.Runtime
-          dotnet pack crates/bindings-csharp/Runtime
-
-          # Write out the nuget config file to `nuget.config`. This causes the spacetimedb-csharp-sdk repository
-          # to be aware of the local versions of the `bindings-csharp` packages in SpacetimeDB, and use them if
-          # available. Otherwise, `spacetimedb-csharp-sdk` will use the NuGet versions of the packages.
-          # This means that (if version numbers match) we will test the local versions of the C# packages, even
-          # if they're not pushed to NuGet.
-          # See https://learn.microsoft.com/en-us/nuget/reference/nuget-config-file for more info on the config file.
-          cd sdks/csharp
-          ./tools~/write-nuget-config.sh ../..
-
-      - name: Restore .NET solution
-        working-directory: sdks/csharp
-        run: dotnet restore --configfile NuGet.Config SpacetimeDB.ClientSDK.sln
-
       # Now, setup the Unity tests.
-      - name: Patch spacetimedb dependency in Cargo.toml
-        working-directory: demo/Blackholio/server-rust
-        run: |
-          sed -i "s|spacetimedb *=.*|spacetimedb = \{ path = \"../../../crates/bindings\" \}|" Cargo.toml
-          cat Cargo.toml
-
       - name: Install Rust toolchain
         uses: dsherret/rust-toolchain-file@v1
       - name: Set default rust toolchain
@@ -681,19 +657,8 @@ jobs:
           # Add a handy alias using the old binary name, so that we don't have to rewrite all scripts (incl. in submodules).
           ln -sf $CARGO_HOME/bin/spacetimedb-cli $CARGO_HOME/bin/spacetime
 
-      - name: Generate client bindings
-        working-directory: demo/Blackholio/server-rust
-        run: bash ./generate.sh -y
-
-      - name: Check for changes
-        run: |
-          tools/check-diff.sh demo/Blackholio/client-unity/Assets/Scripts/autogen || {
-              echo 'Error: Bindings are dirty. Please run `demo/Blackholio/server-rust/generate.sh`.'
-              exit 1
-          }
-
-      - name: Hydrate Unity SDK DLLs
-        run: cargo ci dlls
+      - name: Prepare Unity test workspace
+        run: cargo ci unity-tests
 
       - name: Check Unity meta files
         uses: DeNA/unity-meta-check@v3
@@ -703,23 +668,6 @@ jobs:
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
 
-      - name: Start SpacetimeDB
-        run: |
-          spacetime start &
-          disown
-
-      - name: Publish unity-tests module to SpacetimeDB
-        working-directory: demo/Blackholio/server-rust
-        run: |
-          spacetime logout && spacetime login --server-issued-login local
-          bash ./publish.sh
-
-      - name: Patch com.clockworklabs.spacetimedbsdk dependency in manifest.json
-        working-directory: demo/Blackholio/client-unity/Packages
-        run: |
-          yq e -i '.dependencies["com.clockworklabs.spacetimedbsdk"] = "file:../../../../sdks/csharp"' manifest.json
-          cat manifest.json
-
       - uses: actions/cache@v3
         with:
           path: demo/Blackholio/client-unity/Library
@@ -764,32 +712,6 @@ jobs:
         with:
           global-json-file: global.json
 
-      - name: Override NuGet packages
-        run: |
-          dotnet pack crates/bindings-csharp/BSATN.Runtime
-          dotnet pack crates/bindings-csharp/Runtime
-
-          # Write out the nuget config file to `nuget.config`. This causes the spacetimedb-csharp-sdk repository
-          # to be aware of the local versions of the `bindings-csharp` packages in SpacetimeDB, and use them if
-          # available. Otherwise, `spacetimedb-csharp-sdk` will use the NuGet versions of the packages.
-          # This means that (if version numbers match) we will test the local versions of the C# packages, even
-          # if they're not pushed to NuGet.
-          # See https://learn.microsoft.com/en-us/nuget/reference/nuget-config-file for more info on the config file.
-          cd sdks/csharp
-          ./tools~/write-nuget-config.sh ../..
-
-      - name: Restore .NET solution
-        working-directory: sdks/csharp
-        run: dotnet restore --configfile NuGet.Config SpacetimeDB.ClientSDK.sln
-
-      - name: Run .NET tests
-        working-directory: sdks/csharp
-        run: dotnet test -warnaserror --no-restore
-
-      - name: Verify C# formatting
-        working-directory: sdks/csharp
-        run: dotnet format --no-restore --verify-no-changes SpacetimeDB.ClientSDK.sln
-
       - name: Install Rust toolchain
         uses: dsherret/rust-toolchain-file@v1
       - name: Set default rust toolchain
@@ -833,15 +755,6 @@ jobs:
           # Add a handy alias using the old binary name, so that we don't have to rewrite all scripts (incl. in submodules).
           ln -sf $CARGO_HOME/bin/spacetimedb-cli $CARGO_HOME/bin/spacetime
 
-      - name: Check quickstart-chat bindings are up to date
-        working-directory: sdks/csharp
-        run: |
-          bash tools~/gen-quickstart.sh
-          "${GITHUB_WORKSPACE}"/tools/check-diff.sh examples~/quickstart-chat || {
-              echo 'Error: quickstart-chat bindings have changed. Please run `sdks/csharp/tools~/gen-quickstart.sh`.'
-              exit 1
-          }
-
       # TODO: Re-enable this once csharp is using the v2 ws api.
       # - name: Check client-api bindings are up to date
       #   working-directory: sdks/csharp
@@ -852,18 +765,8 @@ jobs:
       #         exit 1
       #     }
 
-      - name: Start SpacetimeDB
-        run: |
-          spacetime start &
-          disown
-
-      - name: Run regression tests
-        run: |
-          bash sdks/csharp/tools~/run-regression-tests.sh
-          tools/check-diff.sh sdks/csharp/examples~/regression-tests || {
-              echo 'Error: Bindings are dirty. Please run `sdks/csharp/tools~/gen-regression-tests.sh`.'
-              exit 1
-          }
+      - name: Run C# tests
+        run: cargo ci csharp-tests
 
   internal-tests:
     name: Internal Tests
diff --git a/tools/ci/README.md b/tools/ci/README.md
index dbe452243f0..c8650ffc1a2 100644
--- a/tools/ci/README.md
+++ b/tools/ci/README.md
@@ -228,6 +228,28 @@ Usage: docs
 
 - `--help`: Print help
 
+### `csharp-tests`
+
+**Usage:**
+```bash
+Usage: csharp-tests
+```
+
+**Options:**
+
+- `--help`: Print help
+
+### `unity-tests`
+
+**Usage:**
+```bash
+Usage: unity-tests
+```
+
+**Options:**
+
+- `--help`: Print help
+
 ### `help`
 
 **Usage:**
diff --git a/tools/ci/src/main.rs b/tools/ci/src/main.rs
index 3c31c366324..e4fd7c971c3 100644
--- a/tools/ci/src/main.rs
+++ b/tools/ci/src/main.rs
@@ -1,8 +1,9 @@
 #![allow(clippy::disallowed_macros)]
 
-use anyhow::{bail, Result};
+use anyhow::{bail, ensure, Result};
 use clap::{CommandFactory, Parser, Subcommand};
 use duct::cmd;
+use regex::Regex;
 use std::ffi::OsStr;
 use std::ffi::OsString;
 use std::path::Path;
@@ -278,6 +279,10 @@ enum CiCmd {
     TypescriptTest,
     /// Builds the docs site.
     Docs,
+    /// Runs the C# SDK test suite and binding checks.
+    CsharpTests,
+    /// Prepares the Unity test workspace and publishes the local test module.
+    UnityTests,
 }
 
 fn run_all_clap_subcommands(skips: &[String]) -> Result<()> {
@@ -443,6 +448,132 @@ fn run_docs_build() -> Result<()> {
     Ok(())
 }
 
+fn prepare_csharp_sdk_solution() -> Result<()> {
+    cmd!(
+        "dotnet",
+        "pack",
+        "crates/bindings-csharp/BSATN.Runtime",
+        "-c",
+        "Release"
+    )
+    .run()?;
+    cmd!("dotnet", "pack", "crates/bindings-csharp/Runtime", "-c", "Release").run()?;
+    cmd!("bash", "./tools~/write-nuget-config.sh", "../..")
+        .dir("sdks/csharp")
+        .run()?;
+    cmd!(
+        "dotnet",
+        "restore",
+        "--configfile",
+        "NuGet.Config",
+        "SpacetimeDB.ClientSDK.sln"
+    )
+    .dir("sdks/csharp")
+    .run()?;
+    Ok(())
+}
+
+fn run_local_spacetime_script(script_name: &str, body: &str) -> Result<()> {
+    let script = format!(
+        r#"set -euo pipefail
+spacetime start >"/tmp/{script_name}.log" 2>&1 &
+STDB_PID=$!
+trap 'kill "$STDB_PID" >/dev/null 2>&1 || true' EXIT
+sleep 3
+{body}
+"#
+    );
+    cmd!("bash", "-lc", &script).run()?;
+    Ok(())
+}
+
+fn run_csharp_tests() -> Result<()> {
+    prepare_csharp_sdk_solution()?;
+
+    cmd!("dotnet", "test", "-warnaserror", "--no-restore")
+        .dir("sdks/csharp")
+        .run()?;
+    cmd!(
+        "dotnet",
+        "format",
+        "--no-restore",
+        "--verify-no-changes",
+        "SpacetimeDB.ClientSDK.sln"
+    )
+    .dir("sdks/csharp")
+    .run()?;
+
+    cmd!("bash", "tools~/gen-quickstart.sh").dir("sdks/csharp").run()?;
+    let diff_status = cmd!("bash", "tools/check-diff.sh", "sdks/csharp/examples~/quickstart-chat").run()?;
+    if !diff_status.status.success() {
+        bail!("quickstart-chat bindings have changed. Please run `sdks/csharp/tools~/gen-quickstart.sh`.");
+    }
+
+    run_local_spacetime_script(
+        "spacetimedb-csharp-tests",
+        r#"bash sdks/csharp/tools~/run-regression-tests.sh"#,
+    )?;
+    let diff_status = cmd!("bash", "tools/check-diff.sh", "sdks/csharp/examples~/regression-tests").run()?;
+    if !diff_status.status.success() {
+        bail!("Bindings are dirty. Please run `sdks/csharp/tools~/gen-regression-tests.sh`.");
+    }
+
+    Ok(())
+}
+
+fn patch_blackholio_server_dependency() -> Result<()> {
+    let cargo_toml_path = Path::new("demo/Blackholio/server-rust/Cargo.toml");
+    let existing = fs::read_to_string(cargo_toml_path)?;
+    let dependency_line = Regex::new(r#"(?m)^spacetimedb\s*=.*$"#)?;
+    let updated = dependency_line.replace(&existing, r#"spacetimedb = { path = "../../../crates/bindings" }"#);
+
+    ensure!(
+        updated.as_ref() != existing,
+        "Failed to patch demo/Blackholio/server-rust/Cargo.toml with local spacetimedb dependency"
+    );
+
+    fs::write(cargo_toml_path, updated.as_ref())?;
+    Ok(())
+}
+
+fn run_unity_tests() -> Result<()> {
+    prepare_csharp_sdk_solution()?;
+    patch_blackholio_server_dependency()?;
+
+    cmd!("bash", "./generate.sh", "-y")
+        .dir("demo/Blackholio/server-rust")
+        .run()?;
+    let diff_status = cmd!(
+        "bash",
+        "tools/check-diff.sh",
+        "demo/Blackholio/client-unity/Assets/Scripts/autogen",
+    )
+    .run()?;
+    if !diff_status.status.success() {
+        bail!("Bindings are dirty. Please run `demo/Blackholio/server-rust/generate.sh`.");
+    }
+
+    run_dlls()?;
+
+    run_local_spacetime_script(
+        "spacetimedb-unity-tests",
+        r#"spacetime logout && spacetime login --server-issued-login local
+cd demo/Blackholio/server-rust
+bash ./publish.sh"#,
+    )?;
+
+    cmd!(
+        "bash",
+        "-lc",
+        r#"cd demo/Blackholio/client-unity/Packages
+yq e -i '.dependencies["com.clockworklabs.spacetimedbsdk"] = "file:../../../../sdks/csharp"' manifest.json
+cat manifest.json"#
+    )
+    .run()?;
+
+    Ok(())
+}
+
 fn main() -> Result<()> {
     env_logger::init();
 
@@ -715,6 +846,14 @@ fn main() -> Result<()> {
             run_docs_build()?;
         }
 
+        Some(CiCmd::CsharpTests) => {
+            run_csharp_tests()?;
+        }
+
+        Some(CiCmd::UnityTests) => {
+            run_unity_tests()?;
+        }
+
         None => run_all_clap_subcommands(&cli.skip)?,
     }