feat(onboard): add MiniMax provider

src/lib/inference/config.test.ts

@@ -210,6 +210,16 @@ describe("inference selection config", () => {
       provider: "openrouter-api",
       providerLabel: "OpenRouter",
     });
+    expect(getProviderSelectionConfig("minimax-api", "MiniMax-M3")).toEqual({
+      endpointType: "custom",
+      endpointUrl: INFERENCE_ROUTE_URL,
+      ncpPartner: null,
+      model: "MiniMax-M3",
+      profile: DEFAULT_ROUTE_PROFILE,
+      credentialEnv: "MINIMAX_API_KEY",
+      provider: "minimax-api",
+      providerLabel: "MiniMax",
+    });
     expect(getProviderSelectionConfig("anthropic-prod", "claude-sonnet-4-6")).toEqual(
       expect.objectContaining({ model: "claude-sonnet-4-6", providerLabel: "Anthropic" }),
     );
@@ -263,6 +273,7 @@ describe("inference selection config", () => {
       "nvidia-prod",
       "nvidia-nim",
       "openai-api",
+      "minimax-api",
       "openrouter-api",
       "anthropic-prod",
       "compatible-anthropic-endpoint",
@@ -298,6 +309,7 @@ describe("inference selection config", () => {
 
   it("falls back to provider defaults when model is omitted", () => {
     expect(getProviderSelectionConfig("openai-api")?.model).toBe("gpt-5.4");
+    expect(getProviderSelectionConfig("minimax-api")?.model).toBe("MiniMax-M3");
     expect(getProviderSelectionConfig("openrouter-api")?.model).toBe(DEFAULT_CLOUD_MODEL);
     expect(getProviderSelectionConfig("anthropic-prod")?.model).toBe("claude-sonnet-4-6");
     expect(getProviderSelectionConfig("gemini-api")?.model).toBe("gemini-2.5-flash");

src/lib/inference/config.ts

@@ -159,6 +159,13 @@ export function getProviderSelectionConfig(
         credentialEnv: "OPENAI_API_KEY",
         providerLabel: "OpenAI",
       };
+    case "minimax-api":
+      return {
+        ...base,
+        model: model || "MiniMax-M3",
+        credentialEnv: "MINIMAX_API_KEY",
+        providerLabel: "MiniMax",
+      };
     case OPENROUTER_PROVIDER_NAME:
       return {
         ...base,

src/lib/onboard/provider-menu.test.ts

@@ -9,6 +9,7 @@ const REMOTE_PROVIDER_CONFIG = {
   build: { label: "NVIDIA Endpoints" },
   openrouter: { label: "OpenRouter" },
   openai: { label: "OpenAI" },
+  minimax: { label: "MiniMax" },
   custom: { label: "Other OpenAI-compatible endpoint" },
   anthropic: { label: "Anthropic" },
   anthropicCompatible: { label: "Other Anthropic-compatible endpoint" },
@@ -50,6 +51,7 @@ describe("buildInferenceProviderMenu", () => {
       "build",
       "openrouter",
       "openai",
+      "minimax",
       "custom",
       "anthropic",
       "anthropicCompatible",
@@ -76,6 +78,7 @@ describe("buildInferenceProviderMenu", () => {
       "build",
       "openrouter",
       "openai",
+      "minimax",
       "custom",
       "anthropic",
       "anthropicCompatible",

src/lib/onboard/provider-menu.ts

@@ -45,6 +45,7 @@ const BASE_REMOTE_PROVIDER_OPTIONS: readonly ProviderMenuChoice[] = [
   { key: "build", label: "NVIDIA Endpoints" },
   { key: "openrouter", label: "OpenRouter" },
   { key: "openai", label: "OpenAI" },
+  { key: "minimax", label: "MiniMax" },
   { key: "custom", label: "Other OpenAI-compatible endpoint" },
   { key: "anthropic", label: "Anthropic" },
   { key: "anthropicCompatible", label: "Other Anthropic-compatible endpoint" },

src/lib/onboard/providers.test.ts

@@ -136,6 +136,26 @@ describe("onboard provider helpers", () => {
     ).toContain("OPENAI_BASE_URL=https://openrouter.ai/api/v1");
   });
 
+  it("registers MiniMax as a first-class OpenAI-compatible provider", () => {
+    const provider = REMOTE_PROVIDER_CONFIG.minimax;
+
+    expect(provider).toMatchObject({
+      providerName: "minimax-api",
+      providerType: "openai",
+      credentialEnv: "MINIMAX_API_KEY",
+    });
+    expect(NON_INTERACTIVE_PROVIDER_KEYS.has("minimax")).toBe(true);
+    expect(
+      buildProviderArgs(
+        "create",
+        provider.providerName,
+        provider.providerType,
+        provider.credentialEnv,
+        "https://api.minimax.io/v1",
+      ),
+    ).toContain("OPENAI_BASE_URL=https://api.minimax.io/v1");
+  });
+
   it("keeps the discovery profile Anthropic before agent-specific surface selection (#6289)", () => {
     const provider = REMOTE_PROVIDER_CONFIG.anthropicCompatible;
 

src/lib/onboard/providers.ts

@@ -25,6 +25,7 @@ const OPENAI_ENDPOINT_URL = "https://api.openai.com/v1";
 const ANTHROPIC_ENDPOINT_URL = "https://api.anthropic.com";
 const GEMINI_ENDPOINT_URL = "https://generativelanguage.googleapis.com/v1beta/openai/";
 const HERMES_INFERENCE_ENDPOINT_URL = "https://inference-api.nousresearch.com/v1";
+const MINIMAX_ENDPOINT_URL = "https://api.minimax.io/v1";
 const HOSTED_INFERENCE_SOURCE_ENV = "NVIDIA_INFERENCE_API_KEY";
 const HOSTED_INFERENCE_PROVIDER_KEY_ENV = "NEMOCLAW_PROVIDER_KEY";
 const HOSTED_INFERENCE_CREDENTIAL_ENV = "COMPATIBLE_API_KEY";
@@ -50,6 +51,7 @@ const NON_INTERACTIVE_PROVIDER_KEYS = new Set([
   "build",
   "openrouter",
   "openai",
+  "minimax",
   "anthropic",
   "anthropicCompatible",
   "gemini",
@@ -65,7 +67,7 @@ const NON_INTERACTIVE_PROVIDER_KEYS = new Set([
   "start-windows-ollama",
 ]);
 const NON_INTERACTIVE_PROVIDER_VALID_VALUES =
-  "Valid values: build, openrouter, openai, anthropic, anthropicCompatible, gemini, hermes-provider, ollama, custom, nim-local, vllm, routed, install-vllm, install-ollama, install-windows-ollama, start-windows-ollama";
+  "Valid values: build, openrouter, openai, minimax, anthropic, anthropicCompatible, gemini, hermes-provider, ollama, custom, nim-local, vllm, routed, install-vllm, install-ollama, install-windows-ollama, start-windows-ollama";
 const PROVIDER_KEY_ROUTE_VALUES = new Set(
   [
     "inference",
@@ -108,6 +110,17 @@ const REMOTE_PROVIDER_CONFIG = {
     defaultModel: "gpt-5.4",
     skipVerify: true,
   },
+  minimax: {
+    label: "MiniMax",
+    providerName: "minimax-api",
+    providerType: "openai",
+    credentialEnv: "MINIMAX_API_KEY",
+    endpointUrl: MINIMAX_ENDPOINT_URL,
+    helpUrl: "https://platform.minimax.io/docs/api-reference/api-overview",
+    modelMode: "curated",
+    defaultModel: "MiniMax-M3",
+    skipVerify: true,
+  },
   anthropic: {
     label: "Anthropic",
     providerName: "anthropic-prod",