diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..22f1fc0
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,61 @@
+name: CI
+
+on:
+    pull_request:
+    push:
+
+concurrency:
+    group: ci-${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
+env:
+    CARGO_TERM_COLOR: always
+
+jobs:
+    lint:
+        name: Format & Clippy
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+
+            - name: Install system dependencies
+              run: |
+                  sudo apt-get update
+                  sudo apt-get install -y pkg-config libssl-dev libsqlite3-dev
+
+            - name: Install Rust toolchain
+              uses: dtolnay/rust-toolchain@stable
+              with:
+                  components: rustfmt, clippy
+
+            - name: Cache cargo
+              uses: Swatinem/rust-cache@v2
+
+            - name: Check formatting
+              run: cargo fmt --all -- --check
+
+            - name: Clippy
+              run: cargo clippy --workspace --all-targets --locked
+
+    test:
+        name: Build & Test
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+
+            - name: Install system dependencies
+              run: |
+                  sudo apt-get update
+                  sudo apt-get install -y pkg-config libssl-dev libsqlite3-dev
+
+            - name: Install Rust toolchain
+              uses: dtolnay/rust-toolchain@stable
+
+            - name: Cache cargo
+              uses: Swatinem/rust-cache@v2
+
+            - name: Build workspace
+              run: cargo build --workspace --locked
+
+            - name: Run tests
+              run: cargo test --workspace --locked
diff --git a/crates/migration/src/m20260411_000000_add_votd_to_server_prefs.rs b/crates/migration/src/m20260411_000000_add_votd_to_server_prefs.rs
index 4f1d4de..e126fd4 100644
--- a/crates/migration/src/m20260411_000000_add_votd_to_server_prefs.rs
+++ b/crates/migration/src/m20260411_000000_add_votd_to_server_prefs.rs
@@ -18,7 +18,11 @@ impl MigrationTrait for Migration {
             .alter_table(
                 Table::alter()
                     .table(ServerPrefs::Table)
-                    .add_column_if_not_exists(ColumnDef::new(ServerPrefs::VotdChapter).big_integer().null())
+                    .add_column_if_not_exists(
+                        ColumnDef::new(ServerPrefs::VotdChapter)
+                            .big_integer()
+                            .null(),
+                    )
                     .to_owned(),
             )
             .await?;
@@ -26,7 +30,9 @@ impl MigrationTrait for Migration {
             .alter_table(
                 Table::alter()
                     .table(ServerPrefs::Table)
-                    .add_column_if_not_exists(ColumnDef::new(ServerPrefs::VotdVerse).big_integer().null())
+                    .add_column_if_not_exists(
+                        ColumnDef::new(ServerPrefs::VotdVerse).big_integer().null(),
+                    )
                     .to_owned(),
             )
             .await
diff --git a/crates/sb-discord-bot/src/poise_impl/helpers.rs b/crates/sb-discord-bot/src/poise_impl/helpers.rs
index 6452ccc..00667e0 100644
--- a/crates/sb-discord-bot/src/poise_impl/helpers.rs
+++ b/crates/sb-discord-bot/src/poise_impl/helpers.rs
@@ -1,12 +1,9 @@
-use serenity::all::{Colour, CreateEmbed};
 use poise::CreateReply;
+use serenity::all::{Colour, CreateEmbed};
 
 use crate::{
     poise_impl::types::{Context, Error},
-    store::{
-        contract::BibleBooks,
-        valid_cache::get_chapter_count,
-    },
+    store::{contract::BibleBooks, valid_cache::get_chapter_count},
     util::prefs::{calc_lang, calc_translation},
 };
 
diff --git a/crates/sb-discord-bot/src/poise_impl/slash_commands.rs b/crates/sb-discord-bot/src/poise_impl/slash_commands.rs
index 54f5538..c063987 100644
--- a/crates/sb-discord-bot/src/poise_impl/slash_commands.rs
+++ b/crates/sb-discord-bot/src/poise_impl/slash_commands.rs
@@ -1,24 +1,30 @@
 use poise::CreateReply;
-use serenity::all::{Colour, CreateActionRow, CreateButton, CreateEmbed, CreateEmbedFooter, RoleId};
+use serenity::all::{
+    Colour, CreateActionRow, CreateButton, CreateEmbed, CreateEmbedFooter, RoleId,
+};
 use strum::IntoEnumIterator;
 
-use rand::seq::SliceRandom;
 use rand::Rng;
+use rand::seq::SliceRandom;
 
 use crate::{
     discord_util::user::user_is_admin,
     poise_impl::{
         data::Data,
-        helpers::{parse_book, resolve_lang, resolve_translation, split_reference, validate_chapter},
+        helpers::{
+            parse_book, resolve_lang, resolve_translation, split_reference, validate_chapter,
+        },
         types::{Context, Error},
     },
     store::{
-        bibleapi::{get_chapter, ChapterItem},
+        bibleapi::{ChapterItem, get_chapter},
         contract::{BibleBooks, Translations},
         curated::random_curated_verse,
         valid_cache::{get_all_book_chapters, get_chapter_count, is_valid_translation},
     },
-    util::format::{format_chapter_content, format_verse_content, get_passage_url, split_into_embed_chunks},
+    util::format::{
+        format_chapter_content, format_verse_content, get_passage_url, split_into_embed_chunks,
+    },
 };
 
 async fn autocomplete_book<'a>(
@@ -294,7 +300,8 @@ pub async fn votd(
         return Ok(());
     };
     let store = &ctx.data().store;
-    let Some((book_3c_id, chapter, verse_num)) = store.get_server_votd(&guild_id.to_string()).await else {
+    let Some((book_3c_id, chapter, verse_num)) = store.get_server_votd(&guild_id.to_string()).await
+    else {
         ctx.send(CreateReply {
             embeds: vec![
                 CreateEmbed::default()
@@ -348,7 +355,10 @@ pub async fn votd(
     ctx.send(CreateReply {
         embeds: vec![
             CreateEmbed::default()
-                .title(format!("Verse of the Day — {} {}:{} ({})", book, chapter, verse_data.number, translation))
+                .title(format!(
+                    "Verse of the Day — {} {}:{} ({})",
+                    book, chapter, verse_data.number, translation
+                ))
                 .description(format_verse_content(&verse_data))
                 .color(Colour::from_rgb(178, 255, 237)),
         ],
@@ -384,19 +394,28 @@ pub async fn setvotd(
         .await?;
         return Ok(());
     };
-    let Some(book) = parse_book(&ctx, &book).await? else { return Ok(()); };
+    let Some(book) = parse_book(&ctx, &book).await? else {
+        return Ok(());
+    };
     let translation = resolve_translation(&ctx, None).await;
-    if !validate_chapter(&ctx, &book, &translation, chapter).await? { return Ok(()); }
+    if !validate_chapter(&ctx, &book, &translation, chapter).await? {
+        return Ok(());
+    }
     let response = get_chapter(&translation, &book, chapter).await?;
-    let verse_exists = response.chapter.content.iter().any(|item| {
-        matches!(item, ChapterItem::Verse(v) if v.number == verse)
-    });
+    let verse_exists = response
+        .chapter
+        .content
+        .iter()
+        .any(|item| matches!(item, ChapterItem::Verse(v) if v.number == verse));
     if !verse_exists {
         ctx.send(CreateReply {
             embeds: vec![
                 CreateEmbed::default()
                     .title("Verse not found")
-                    .description(format!("{} {} does not have a verse {}.", book, chapter, verse))
+                    .description(format!(
+                        "{} {} does not have a verse {}.",
+                        book, chapter, verse
+                    ))
                     .color(Colour::new(16730184)),
             ],
             ..Default::default()
@@ -404,7 +423,10 @@ pub async fn setvotd(
         .await?;
         return Ok(());
     }
-    ctx.data().store.set_server_votd(&guild_id.to_string(), book.get_3c_id(), chapter, verse).await;
+    ctx.data()
+        .store
+        .set_server_votd(&guild_id.to_string(), book.get_3c_id(), chapter, verse)
+        .await;
     ctx.send(CreateReply {
         embeds: vec![
             CreateEmbed::default()
@@ -440,7 +462,10 @@ pub async fn truerandom(
             embeds: vec![
                 CreateEmbed::default()
                     .title("No books found")
-                    .description(format!("Could not load books for translation {}.", translation))
+                    .description(format!(
+                        "Could not load books for translation {}.",
+                        translation
+                    ))
                     .color(Colour::new(16730184)),
             ],
             ..Default::default()
@@ -450,9 +475,18 @@ pub async fn truerandom(
     };
     let chapter = rand::thread_rng().gen_range(1..=*max_chapters);
     let response = get_chapter(&translation, book, chapter).await?;
-    let verses: Vec<_> = response.chapter.content.into_iter().filter_map(|item| {
-        if let ChapterItem::Verse(v) = item { Some(v) } else { None }
-    }).collect();
+    let verses: Vec<_> = response
+        .chapter
+        .content
+        .into_iter()
+        .filter_map(|item| {
+            if let ChapterItem::Verse(v) = item {
+                Some(v)
+            } else {
+                None
+            }
+        })
+        .collect();
     let Some(verse_data) = verses.choose(&mut rand::thread_rng()) else {
         ctx.send(CreateReply {
             embeds: vec![
@@ -469,7 +503,10 @@ pub async fn truerandom(
     ctx.send(CreateReply {
         embeds: vec![
             CreateEmbed::default()
-                .title(format!("{} {}:{} ({})", book, chapter, verse_data.number, translation))
+                .title(format!(
+                    "{} {}:{} ({})",
+                    book, chapter, verse_data.number, translation
+                ))
                 .description(format_verse_content(verse_data))
                 .color(Colour::from_rgb(178, 255, 237)),
         ],
@@ -515,7 +552,11 @@ pub async fn random(
     let response = get_chapter(&translation, &verse_ref.book, verse_ref.chapter).await?;
     let found = response.chapter.content.into_iter().find_map(|item| {
         if let ChapterItem::Verse(v) = item {
-            if v.number == verse_ref.verse { Some(v) } else { None }
+            if v.number == verse_ref.verse {
+                Some(v)
+            } else {
+                None
+            }
         } else {
             None
         }
@@ -566,9 +607,13 @@ pub async fn chapter(
     translation: Option<String>,
 ) -> Result<(), Error> {
     ctx.defer().await?;
-    let Some(book) = parse_book(&ctx, &book).await? else { return Ok(()); };
+    let Some(book) = parse_book(&ctx, &book).await? else {
+        return Ok(());
+    };
     let translation = resolve_translation(&ctx, translation.as_deref()).await;
-    if !validate_chapter(&ctx, &book, &translation, chapter).await? { return Ok(()); }
+    if !validate_chapter(&ctx, &book, &translation, chapter).await? {
+        return Ok(());
+    }
     let response = get_chapter(&translation, &book, chapter).await?;
     let content = format_chapter_content(&response.chapter);
     let chunks = split_into_embed_chunks(&content);
@@ -630,9 +675,13 @@ pub async fn verse(
         }
     }
 
-    let Some(book) = parse_book(&ctx, &book).await? else { return Ok(()); };
+    let Some(book) = parse_book(&ctx, &book).await? else {
+        return Ok(());
+    };
     let translation = resolve_translation(&ctx, translation.as_deref()).await;
-    if !validate_chapter(&ctx, &book, &translation, chapter).await? { return Ok(()); }
+    if !validate_chapter(&ctx, &book, &translation, chapter).await? {
+        return Ok(());
+    }
     let response = get_chapter(&translation, &book, chapter).await?;
 
     let Some(end) = end_verse else {
@@ -648,7 +697,10 @@ pub async fn verse(
                 embeds: vec![
                     CreateEmbed::default()
                         .title("Verse not found")
-                        .description(format!("{} {} does not have a verse {}.", book, chapter, verse))
+                        .description(format!(
+                            "{} {} does not have a verse {}.",
+                            book, chapter, verse
+                        ))
                         .color(Colour::new(16730184)),
                 ],
                 ..Default::default()
@@ -659,7 +711,10 @@ pub async fn verse(
         ctx.send(CreateReply {
             embeds: vec![
                 CreateEmbed::default()
-                    .title(format!("{} {}:{} ({})", book, chapter, verse_data.number, translation))
+                    .title(format!(
+                        "{} {}:{} ({})",
+                        book, chapter, verse_data.number, translation
+                    ))
                     .description(format_verse_content(&verse_data))
                     .color(Colour::from_rgb(178, 255, 237)),
             ],
@@ -669,9 +724,18 @@ pub async fn verse(
         return Ok(());
     };
 
-    let verses_in_chapter: Vec<_> = response.chapter.content.into_iter().filter_map(|item| {
-        if let ChapterItem::Verse(v) = item { Some(v) } else { None }
-    }).collect();
+    let verses_in_chapter: Vec<_> = response
+        .chapter
+        .content
+        .into_iter()
+        .filter_map(|item| {
+            if let ChapterItem::Verse(v) = item {
+                Some(v)
+            } else {
+                None
+            }
+        })
+        .collect();
 
     let verse_numbers: Vec<i64> = verses_in_chapter.iter().map(|v| v.number).collect();
 
@@ -680,7 +744,10 @@ pub async fn verse(
             embeds: vec![
                 CreateEmbed::default()
                     .title("Verse not found")
-                    .description(format!("{} {} does not have a verse {}.", book, chapter, verse))
+                    .description(format!(
+                        "{} {} does not have a verse {}.",
+                        book, chapter, verse
+                    ))
                     .color(Colour::new(16730184)),
             ],
             ..Default::default()
@@ -694,7 +761,10 @@ pub async fn verse(
             embeds: vec![
                 CreateEmbed::default()
                     .title("End verse not found")
-                    .description(format!("{} {} does not have a verse {}.", book, chapter, end))
+                    .description(format!(
+                        "{} {} does not have a verse {}.",
+                        book, chapter, end
+                    ))
                     .color(Colour::new(16730184)),
             ],
             ..Default::default()
@@ -703,19 +773,30 @@ pub async fn verse(
         return Ok(());
     }
 
-    let range_verses: Vec<_> = verses_in_chapter.iter()
+    let range_verses: Vec<_> = verses_in_chapter
+        .iter()
         .filter(|v| v.number >= verse && v.number <= end)
         .collect();
 
-    let content: String = range_verses.iter().map(|v| {
-        format!("**{}** {}\n", v.number, format_verse_content(v))
-    }).collect();
+    let content: String = range_verses
+        .iter()
+        .map(|v| format!("**{}** {}\n", v.number, format_verse_content(v)))
+        .collect();
 
     let chunks = split_into_embed_chunks(&content);
     let total = chunks.len();
     for (i, chunk) in chunks.into_iter().enumerate() {
         let title = if total > 1 {
-            format!("{} {}:{}-{} ({}) ({}/{})", book, chapter, verse, end, translation, i + 1, total)
+            format!(
+                "{} {}:{}-{} ({}) ({}/{})",
+                book,
+                chapter,
+                verse,
+                end,
+                translation,
+                i + 1,
+                total
+            )
         } else {
             format!("{} {}:{}-{} ({})", book, chapter, verse, end, translation)
         };
diff --git a/crates/sb-discord-bot/src/store/curated.rs b/crates/sb-discord-bot/src/store/curated.rs
index b3868ca..c2074fa 100644
--- a/crates/sb-discord-bot/src/store/curated.rs
+++ b/crates/sb-discord-bot/src/store/curated.rs
@@ -10,7 +10,11 @@ pub struct VerseRef {
 
 impl VerseRef {
     const fn new(book: BibleBooks, chapter: i64, verse: i64) -> Self {
-        Self { book, chapter, verse }
+        Self {
+            book,
+            chapter,
+            verse,
+        }
     }
 }
 
diff --git a/crates/sb-discord-bot/src/store/valid_cache.rs b/crates/sb-discord-bot/src/store/valid_cache.rs
index 991a7f8..49780ce 100644
--- a/crates/sb-discord-bot/src/store/valid_cache.rs
+++ b/crates/sb-discord-bot/src/store/valid_cache.rs
@@ -54,7 +54,11 @@ pub fn is_valid_language(language: &str) -> bool {
 /// cache. Does nothing if it is already cached. Returns `false` on fetch failure.
 async fn ensure_books_cached(translation: &str) -> bool {
     {
-        if book_chapters_cache().lock().unwrap().contains_key(translation) {
+        if book_chapters_cache()
+            .lock()
+            .unwrap()
+            .contains_key(translation)
+        {
             return true;
         }
     }