diff --git a/desktop/public/harness-logos/CREDITS.md b/desktop/public/harness-logos/CREDITS.md
index de4e003c3f..b5d4b09d38 100644
--- a/desktop/public/harness-logos/CREDITS.md
+++ b/desktop/public/harness-logos/CREDITS.md
@@ -14,6 +14,7 @@ license permits redistribution.
 | `omp.svg` | [can1357/oh-my-pi](https://github.com/can1357/oh-my-pi) | `667111575ebba136dadfd6989379e7f67e0d40d9` | MIT © 2025 Mario Zechner; © 2025–2026 Can Bölük | `assets/icon.svg` | None |
 | `kimi.png` | [MoonshotAI/kimi-cli](https://github.com/MoonshotAI/kimi-cli) | `4a550effdfcb29a25a5d325bf935296cc50cd417` | Apache-2.0; NOTICE: Kimi Code CLI © 2025 Moonshot AI | `web/public/logo.png` | None |
 | `grok.svg` | [SpaceXAI brand guidelines](https://x.ai/legal/brand-guidelines) | Retrieved 2026-07-25 | xAI Brand Guidelines: marks may be used to accurately refer to xAI or its services; logos must be used exactly as provided | `SpaceXAI_Grok_Assets.zip` → `Grok_Logomark_Dark.svg` | None |
+| `kiro.svg` | [AWS Kiro](https://kiro.dev) | Retrieved 2026-07-28 | Nominative use: mark identifies Kiro's harness in the runtime gallery | Kiro CLI brand asset | None |
 
 ## Inline SVG marks (`RUNTIME_MARKS`)
 
diff --git a/desktop/public/harness-logos/kiro.svg b/desktop/public/harness-logos/kiro.svg
new file mode 100644
index 0000000000..811b8d8335
--- /dev/null
+++ b/desktop/public/harness-logos/kiro.svg
@@ -0,0 +1,11 @@
+<svg width="1200" height="1200" viewBox="0 0 1200 1200" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <rect width="1200" height="1200" rx="260" fill="#9046FF"/>
+  <mask id="mask0_1106_4856" style="mask-type:luminance" maskUnits="userSpaceOnUse" x="272" y="202" width="655" height="796">
+    <path d="M926.578 202.793H272.637V997.857H926.578V202.793Z" fill="white"/>
+  </mask>
+  <g mask="url(#mask0_1106_4856)">
+    <path d="M398.554 818.914C316.315 1001.03 491.477 1046.74 620.672 940.156C658.687 1059.66 801.052 970.473 852.234 877.795C964.787 673.567 919.318 465.357 907.64 422.374C827.637 129.443 427.623 128.946 358.8 423.865C342.651 475.544 342.402 534.18 333.458 595.051C328.986 625.86 325.507 645.488 313.83 677.785C306.873 696.424 297.68 712.819 282.773 740.645C259.915 783.881 269.604 867.113 387.87 823.883L399.051 818.914H398.554Z" fill="white"/>
+    <path d="M636.123 549.353C603.328 549.353 598.359 510.097 598.359 486.742C598.359 465.623 602.086 448.977 609.293 438.293C615.504 428.852 624.697 424.131 636.123 424.131C647.555 424.131 657.492 428.852 664.447 438.541C672.398 449.474 676.623 466.12 676.623 486.742C676.623 525.998 661.471 549.353 636.375 549.353H636.123Z" fill="black"/>
+    <path d="M771.24 549.353C738.445 549.353 733.477 510.097 733.477 486.742C733.477 465.623 737.203 448.977 744.41 438.293C750.621 428.852 759.814 424.131 771.24 424.131C782.672 424.131 792.609 428.852 799.564 438.541C807.516 449.474 811.74 466.12 811.74 486.742C811.74 525.998 796.588 549.353 771.492 549.353H771.24Z" fill="black"/>
+  </g>
+</svg>
diff --git a/desktop/scripts/check-file-sizes.mjs b/desktop/scripts/check-file-sizes.mjs
index 6e44481d57..579c16ced4 100644
--- a/desktop/scripts/check-file-sizes.mjs
+++ b/desktop/scripts/check-file-sizes.mjs
@@ -346,7 +346,8 @@ const overrides = new Map([
   // entries.push block collapsed into the helper.
   // +6: legacy Goose Windows install dir (%USERPROFILE%\goose) probed in
   // common_binary_paths so pre-#2680 standalone installs are discoverable.
-  ["src-tauri/src/managed_agents/discovery.rs", 1841],
+  // +10: Kiro CLI preset harness entry (kiro-cli acp).
+  ["src-tauri/src/managed_agents/discovery.rs", 1851],
   // BYOH — save_custom_harness_to_dir (backup-swap atomic write) + save_and_warm /
   // delete_and_warm (persist-mutex serialization for concurrent-safe registry
   // refresh, B-6). Also: id/collision/load/registry tests (from the file base) +
diff --git a/desktop/src-tauri/src/managed_agents/discovery.rs b/desktop/src-tauri/src/managed_agents/discovery.rs
index 71e689330f..926d009589 100644
--- a/desktop/src-tauri/src/managed_agents/discovery.rs
+++ b/desktop/src-tauri/src/managed_agents/discovery.rs
@@ -1598,6 +1598,16 @@ const PRESET_HARNESSES: &[PresetHarness] = &[
             Gateway's own environment separately.",
         underlying_cli: None,
     },
+    PresetHarness {
+        id: "kiro",
+        label: "Kiro",
+        command: "kiro-cli",
+        args: &["acp"],
+        install_instructions_url: "https://kiro.dev/docs/getting-started/",
+        install_hint: "Buzz talks to Kiro through the Kiro CLI's ACP mode (kiro-cli acp). \
+            Install the Kiro CLI and run `kiro-cli auth login` to authenticate.",
+        underlying_cli: None,
+    },
 ];
 
 /// Return the static preset harness definitions as `HarnessDefinition` values.
diff --git a/desktop/src/features/onboarding/ui/RuntimeIcon.tsx b/desktop/src/features/onboarding/ui/RuntimeIcon.tsx
index f9c201d115..f408f8c423 100644
--- a/desktop/src/features/onboarding/ui/RuntimeIcon.tsx
+++ b/desktop/src/features/onboarding/ui/RuntimeIcon.tsx
@@ -24,6 +24,7 @@ export const PRESET_LOGOS: Record<string, string> = {
   amp: "/harness-logos/amp.png",
   hermes: "/harness-logos/hermes.png",
   openclaw: "/harness-logos/openclaw.svg",
+  kiro: "/harness-logos/kiro.svg",
 };
 
 function isBuzzRuntime(runtime: AcpRuntimeCatalogEntry): boolean {