feat(chat): add Claude Code as local chat provider

apps/mesh/package.json

@@ -36,6 +36,7 @@
     "prepublishOnly": "bun run build:client && bun run build:server"
   },
   "optionalDependencies": {
+    "@anthropic-ai/claude-agent-sdk": "^0.2.72",
     "@duckdb/node-api": "^1.5.0-r.1"
   },
   "dependencies": {

apps/mesh/src/ai-providers/adapters/deco-ai-gateway.ts

@@ -7,7 +7,7 @@ export const decoAiGatewayAdapter: ProviderAdapter = {
   info: {
     id: "deco",
     name: "Deco AI Gateway",
-    description: "Deco-managed keys with access to 100+ models",
+    description: "Access to 100+ models",
     logo: "/logos/deco logo.svg",
   },
 

apps/mesh/src/ai-providers/factory.ts

@@ -4,6 +4,40 @@ import type { ModelListCache } from "./model-list-cache";
 import type { MeshProvider, ModelInfo, OpenRouterAPIModel } from "./types";
 import { PROVIDERS } from "./registry";
 
+/** Static model list for the Claude Code local provider. */
+const CLAUDE_CODE_MODEL_LIST: ModelInfo[] = [
+  {
+    providerId: "claude-code",
+    modelId: "claude-code:opus",
+    title: "Claude Code: Opus",
+    description: "Most capable model via local Claude Code CLI (1M context)",
+    logo: null,
+    capabilities: ["text", "vision"] as ModelCapability[],
+    limits: { contextWindow: 1_000_000, maxOutputTokens: 32_768 },
+    costs: null,
+  },
+  {
+    providerId: "claude-code",
+    modelId: "claude-code:sonnet",
+    title: "Claude Code: Sonnet",
+    description: "Fast, capable model via local Claude Code CLI (1M context)",
+    logo: null,
+    capabilities: ["text", "vision"] as ModelCapability[],
+    limits: { contextWindow: 1_000_000, maxOutputTokens: 32_768 },
+    costs: null,
+  },
+  {
+    providerId: "claude-code",
+    modelId: "claude-code:haiku",
+    title: "Claude Code: Haiku",
+    description: "Fastest, most affordable model via local Claude Code CLI",
+    logo: null,
+    capabilities: ["text", "vision"] as ModelCapability[],
+    limits: { contextWindow: 200_000, maxOutputTokens: 32_768 },
+    costs: null,
+  },
+];
+
 // Sentinel org ID for the shared OpenRouter metadata cache (not org-specific)
 const OR_INDEX_ORG_ID = "_global";
 
@@ -134,6 +168,11 @@ export class AIProviderFactory {
     );
     const providerId = keyInfo.providerId;
 
+    // Claude Code uses the local CLI — return static model list
+    if (providerId === "claude-code") {
+      return CLAUDE_CODE_MODEL_LIST;
+    }
+
     if (this.cache) {
       const cached = await this.cache.get(organizationId, providerId);
       if (cached) return cached;

apps/mesh/src/ai-providers/registry.ts

@@ -7,9 +7,28 @@ import { decoAiGatewayAdapter } from "./adapters/deco-ai-gateway";
 
 const isDecoAiGatewayEnabled = !!process.env.DECO_AI_GATEWAY_ENABLED;
 
+/**
+ * Claude Code uses the local CLI — no API key or SDK adapter needed.
+ * This placeholder satisfies the registry type; the actual chat path
+ * bypasses the adapter entirely via the isClaudeCode branch.
+ */
+const claudeCodeAdapter: ProviderAdapter = {
+  info: {
+    id: "claude-code",
+    name: "Claude Code",
+    description: "Local Claude Code CLI",
+    logo: "/logos/Claude Code.svg",
+  },
+  supportedMethods: [],
+  create() {
+    throw new Error("Claude Code uses the local CLI, not an API adapter");
+  },
+};
+
 export const PROVIDERS: Partial<Record<ProviderId, ProviderAdapter>> = {
   ...(isDecoAiGatewayEnabled && { deco: decoAiGatewayAdapter }),
   anthropic: anthropicAdapter,
   google: googleAdapter,
   openrouter: openrouterAdapter,
+  "claude-code": claudeCodeAdapter,
 };

apps/mesh/src/api/routes/auth.ts

@@ -56,6 +56,11 @@ export type AuthConfig = {
    * When true, the frontend should auto-login and skip org selection.
    */
   localMode: boolean;
+  /**
+   * Whether Claude Code is available locally.
+   * When true, the frontend can offer Claude Code as a chat provider.
+   */
+  claudeCodeAvailable: boolean;
 };
 
 /**
@@ -105,6 +110,7 @@ app.get("/config", async (c) => {
           },
       stdioEnabled,
       localMode: isLocalMode(),
+      claudeCodeAvailable: isLocalMode() && !!Bun.which("claude"),
     };
 
     return c.json({ success: true, config });