diff --git a/lib/crates/fabro-llm/tests/integration.rs b/lib/crates/fabro-llm/tests/integration.rs
index 898004e63..18d6ef6af 100644
--- a/lib/crates/fabro-llm/tests/integration.rs
+++ b/lib/crates/fabro-llm/tests/integration.rs
@@ -5,7 +5,10 @@
 
 use std::sync::Arc;
 
+use fabro_auth::ApiCredential;
+use fabro_llm::client::Client;
 use fabro_llm::error::ProviderErrorKind;
+use fabro_llm::model_test::{ModelTestStatus, run_model_test};
 use fabro_llm::provider::ProviderAdapter;
 use fabro_llm::providers::{
     AnthropicAdapter, BedrockAdapter, GeminiAdapter, OpenAiAdapter, OpenAiCompatibleAdapter,
@@ -13,7 +16,8 @@ use fabro_llm::providers::{
 use fabro_llm::types::{
     CostSource, FinishReason, Message, ReasoningEffort, Request, ToolChoice, ToolDefinition,
 };
-use fabro_model::Catalog;
+use fabro_model::catalog::{LlmCatalogSettings, ProviderCatalogSettings};
+use fabro_model::{Catalog, ModelTestMode, ProviderId};
 use fabro_static::EnvVars;
 
 fn make_request(model: &str) -> Request {
@@ -332,6 +336,42 @@ async fn openrouter_complete() {
     assert_eq!(response.cost_source, Some(CostSource::Authoritative));
 }
 
+#[fabro_macros::e2e_test(live("OPENROUTER_API_KEY"))]
+async fn openrouter_kimi_k3_deep_tool_round_trip() {
+    let api_key =
+        std::env::var(EnvVars::OPENROUTER_API_KEY).expect("OPENROUTER_API_KEY must be set");
+    let provider = ProviderId::new("openrouter");
+    let mut settings = LlmCatalogSettings::default();
+    settings
+        .providers
+        .insert(provider.to_string(), ProviderCatalogSettings {
+            enabled: Some(true),
+            ..ProviderCatalogSettings::default()
+        });
+    let catalog = Arc::new(
+        Catalog::from_builtin_with_overrides(&settings)
+            .expect("enabled OpenRouter catalog should build"),
+    );
+    let credential = ApiCredential::from_api_key(provider, api_key, &catalog)
+        .expect("OpenRouter credential should resolve from the catalog");
+    let client = Arc::new(
+        Client::from_credentials(vec![credential], Arc::clone(&catalog))
+            .await
+            .expect("OpenRouter client should build from the catalog"),
+    );
+    let model = catalog
+        .get("moonshotai/kimi-k3")
+        .expect("OpenRouter Kimi K3 should be present");
+
+    let outcome = run_model_test(model, ModelTestMode::Deep, client).await;
+    assert_eq!(
+        outcome.status,
+        ModelTestStatus::Ok,
+        "OpenRouter Kimi K3 deep test failed: {:?}",
+        outcome.error_message
+    );
+}
+
 async fn run_multi_turn_cache_test(
     adapter: &dyn ProviderAdapter,
     model: &str,
diff --git a/lib/crates/fabro-model/src/catalog.rs b/lib/crates/fabro-model/src/catalog.rs
index 2bd6b932f..811978968 100644
--- a/lib/crates/fabro-model/src/catalog.rs
+++ b/lib/crates/fabro-model/src/catalog.rs
@@ -2056,6 +2056,71 @@ enabled = true
         );
     }
 
+    #[test]
+    fn builtin_openrouter_includes_kimi_k3_when_enabled() {
+        let catalog = Catalog::from_builtin_with_overrides(&minimal_settings(
+            r"
+[providers.openrouter]
+enabled = true
+",
+        ))
+        .expect("enabled OpenRouter override should build from the built-in provider settings");
+
+        let model = catalog
+            .get("moonshotai/kimi-k3")
+            .expect("OpenRouter Kimi K3 should be present");
+        insta::assert_debug_snapshot!(model, @r#"
+        Model {
+            id: "moonshotai/kimi-k3",
+            provider: openrouter,
+            family: "kimi-k3",
+            display_name: "Kimi K3 (via OpenRouter)",
+            limits: ModelLimits {
+                context_window: 1048576,
+                max_output: Some(
+                    131072,
+                ),
+            },
+            training: None,
+            knowledge_cutoff: None,
+            features: ModelFeatures {
+                tools: true,
+                vision: true,
+                reasoning: true,
+                reasoning_effort: AlwaysAdaptive,
+                prompt_cache: true,
+                sampling_params: false,
+            },
+            costs: ModelCosts {
+                input_cost_per_mtok: Some(
+                    3.0,
+                ),
+                output_cost_per_mtok: Some(
+                    15.0,
+                ),
+                cache_input_cost_per_mtok: Some(
+                    0.3,
+                ),
+            },
+            estimated_output_tps: None,
+            aliases: [],
+            default: false,
+            small_default: false,
+            configured: false,
+        }
+        "#);
+
+        let settings = catalog
+            .model_settings("moonshotai/kimi-k3")
+            .expect("OpenRouter Kimi K3 settings should be present");
+        assert_eq!(settings.api_id, "moonshotai/kimi-k3");
+        assert_eq!(settings.controls.reasoning_effort, vec![
+            ReasoningEffort::Low,
+            ReasoningEffort::High,
+            ReasoningEffort::Max,
+        ]);
+    }
+
     #[test]
     fn builtin_ollama_provider_is_opt_in() {
         let ollama = ProviderId::new("ollama");
diff --git a/lib/crates/fabro-model/src/catalog/providers/openrouter.toml b/lib/crates/fabro-model/src/catalog/providers/openrouter.toml
index 4759b8996..0c3393a22 100644
--- a/lib/crates/fabro-model/src/catalog/providers/openrouter.toml
+++ b/lib/crates/fabro-model/src/catalog/providers/openrouter.toml
@@ -278,6 +278,32 @@ reasoning = false
 input_cost_per_mtok = 0.73
 output_cost_per_mtok = 3.49
 
+[models."moonshotai/kimi-k3"]
+provider = "openrouter"
+api_id = "moonshotai/kimi-k3"
+display_name = "Kimi K3 (via OpenRouter)"
+family = "kimi-k3"
+
+[models."moonshotai/kimi-k3".limits]
+context_window = 1048576
+max_output = 131072
+
+[models."moonshotai/kimi-k3".features]
+tools = true
+vision = true
+reasoning = true
+reasoning_effort = "always_adaptive"
+prompt_cache = true
+sampling_params = false
+
+[models."moonshotai/kimi-k3".controls]
+reasoning_effort = ["low", "high", "max"]
+
+[models."moonshotai/kimi-k3".costs]
+input_cost_per_mtok = 3.0
+output_cost_per_mtok = 15.0
+cache_input_cost_per_mtok = 0.3
+
 [models."qwen/qwen3-coder"]
 provider = "openrouter"
 api_id = "qwen/qwen3-coder"