diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..73683d3
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,122 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install pesde
+        uses: lumin-org/setup-pesde@v0.4.0
+        with:
+          version: v0.6.0-rc.6+registry.0.2.0-rc.2
+          token: ${{ secrets.PESDE_TOKEN }}
+          cache: true 
+
+      - name: Extract stylua version in manifest
+        uses: SebRollen/toml-action@v1.2.0
+        id: get_semver_range 
+        with:
+          file: pesde.toml
+          field: dev_dependencies.stylua.version
+  
+      - name: Install semver CLI
+        run: sudo apt-get install semver -y
+        
+      - name: Parse stylua semver range into version
+        id: stylua
+        run: |
+          range="${{ steps.get_semver_range.value }}"
+          echo "version=$(gh api /repos/JohnnyMorganz/StyLua/tags --jq '.[] | .name' | xargs semver -r "$range" | tail -n 1)" >> $GITHUB_OUTPUT 
+
+      - name: Install stylua
+        uses: JohnnyMorganz/stylua-action@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          version: ${{ steps.stylua.version }}
+          args: --version
+
+      - name: Install dependencies
+        run: pesde install
+
+      - name: Check formatting
+        run: lune run fmt -- --check
+
+  typecheck:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install pesde
+        uses: lumin-org/setup-pesde@v0.4.0
+        with:
+          version: v0.6.0-rc.6+registry.0.2.0-rc.2
+          token: ${{ secrets.PESDE_TOKEN }}
+          cache: true      
+      
+      - name: Extract luau-lsp version in manifest
+        uses: SebRollen/toml-action@v1.2.0
+        id: get_semver_range 
+        with:
+          file: pesde.toml
+          field: dev_dependencies.luau-lsp.version
+  
+      - name: Install semver CLI
+        run: sudo apt-get install semver -y
+        
+      - name: Parse luau-lsp semver range into version
+        id: luau-lsp
+        run: |
+          range="${{ steps.get_semver_range.value }}"
+          echo "version=$(gh api /repos/JohnnyMorganz/luau-lsp/tags --jq '.[] | .name' | xargs semver -r "$range" | tail -n 1)" >> $GITHUB_OUTPUT
+
+      - name: Install luau-lsp
+        shell: bash
+        run: |
+          #!/bin/bash
+          set -euo pipefail
+
+          cd /tmp
+          gh release download --repo JohnnyMorganz/luau-lsp "${{ steps.luau-lsp.version }}" --pattern luau-lsp-linux.zip
+          mkdir -p ~/.local/bin
+          unzip luau-lsp-linux.zip -d ~/.local/bin
+          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
+
+      - name: Install dependencies
+        run: pesde install
+
+      - name: Setup lune typedefs
+        run: lune setup
+
+      - name: Typecheck
+        run: lune run typecheck
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install pesde
+        uses: lumin-org/setup-pesde@v0.4.0
+        with:
+          version: v0.6.0-rc.6+registry.0.2.0-rc.2
+          token: ${{ secrets.PESDE_TOKEN }}
+          cache: true
+
+      - name: Install dependencies
+        run: pesde install
+
+      - name: Run tests
+        run: lune run test