diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..6beac3a
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,3 @@
+# Mass-reformat with swift-format; use this file to skip it in blame.
+# git config blame.ignoreRevsFile .git-blame-ignore-revs
+ade410dd1add0d204eda210497e7d07497be78b4
diff --git a/.github/workflows/ci-apple.yml b/.github/workflows/ci-apple.yml
index b8da39c..ec9ef55 100644
--- a/.github/workflows/ci-apple.yml
+++ b/.github/workflows/ci-apple.yml
@@ -37,3 +37,14 @@ jobs:
       - uses: actions/checkout@v5
       - name: Test platform ${{ matrix.destination }}
         run: set -o pipefail && xcodebuild -skipMacroValidation -scheme Microcosm-Package -destination "${{ matrix.destination }}" test | xcbeautify
+
+  lint:
+    name: Lint
+    runs-on: macOS-26
+    timeout-minutes: 30
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_26.4.app
+    steps:
+      - uses: actions/checkout@v5
+      - name: swift-format
+        run: swift format lint --recursive --configuration .swift-format --strict Sources Tests
diff --git a/Sources/Microcosm/MicrocosmErrors.swift b/Sources/Microcosm/MicrocosmErrors.swift
index 5312011..850cfae 100644
--- a/Sources/Microcosm/MicrocosmErrors.swift
+++ b/Sources/Microcosm/MicrocosmErrors.swift
@@ -6,6 +6,7 @@
 //
 import Foundation
 import HTTPTypes
+
 import struct HTTPTypes.HTTPResponse
 
 package enum MicrocosmErrors: LocalizedError {
diff --git a/Sources/Microcosm/Slingshot/Lexicon/Request/ResolveMiniDoc.swift b/Sources/Microcosm/Slingshot/Lexicon/Request/ResolveMiniDoc.swift
index 9f2fba7..30fdc51 100644
--- a/Sources/Microcosm/Slingshot/Lexicon/Request/ResolveMiniDoc.swift
+++ b/Sources/Microcosm/Slingshot/Lexicon/Request/ResolveMiniDoc.swift
@@ -2,6 +2,7 @@ import AtprotoClient
 import AtprotoTypes
 import Foundation
 import GermConvenience
+
 import struct HTTPTypes.HTTPResponse
 
 //https://slingshot.microcosm.blue/#tag/slingshot-specific-queries/GET/xrpc/blue.microcosm.identity.resolveMiniDoc