feat: implement MCP-UI support

.gitignore

@@ -1,5 +1,6 @@
 dist
 node_modules
+
 .vscode/mcp.json
 .github/prompts/*
 
@@ -14,6 +15,9 @@ coverage
 # Generated assets by accuracy runs
 .accuracy
 
+# Generated UI module (rebuilt by `pnpm build:ui`)
+src/ui/generated
+
 .DS_Store
 
 # Development tool files

eslint.config.js

@@ -9,7 +9,7 @@ import enforceZodV4 from "./eslint-rules/enforce-zod-v4.js";
 
 const testFiles = ["tests/**/*.test.ts", "tests/**/*.ts"];
 
-const files = [...testFiles, "src/**/*.ts", "scripts/**/*.ts"];
+const files = [...testFiles, "src/**/*.ts", "src/**/*.tsx", "scripts/**/*.ts"];
 
 export default defineConfig([
     { files, plugins: { js }, extends: ["js/recommended"] },
@@ -81,10 +81,12 @@ export default defineConfig([
         "node_modules",
         "dist",
         "src/common/atlas/openapi.d.ts",
+        "src/ui/generated",
         "coverage",
         "global.d.ts",
         "eslint.config.js",
         "vitest.config.ts",
+        "vite.ui.config.ts",
         "src/types/*.d.ts",
         "tests/integration/fixtures/",
         "eslint-rules",

knip.json

@@ -3,11 +3,27 @@
     "src/index.ts!",
     "src/lib.ts!",
     "src/tools/index.ts!",
+    "src/ui/index.ts!",
     "tests/**/*.ts",
     "scripts/**/*.ts",
-    "eslint-rules/*.js"
+    "eslint-rules/*.js",
+    "vite.ui.config.ts"
+  ],
+  "ignore": [
+    "tests/integration/fixtures/curl.mjs",
+    "tests/vitest.d.ts",
+    "src/ui/build/mount.tsx",
+    "src/ui/components/**/*.ts",
+    "src/ui/components/**/*.tsx",
+    "src/ui/hooks/**/*.ts",
+    "src/ui/registry/uiMap.ts"
+  ],
+  "ignoreDependencies": [
+    "@mongodb-js/atlas-local",
+    "@emotion/css",
+    "@leafygreen-ui/table",
+    "react",
+    "react-dom"
   ],
-  "ignore": ["tests/integration/fixtures/curl.mjs", "tests/vitest.d.ts"],
-  "ignoreDependencies": ["@mongodb-js/atlas-local"],
   "ignoreExportsUsedInFile": true
 }

package.json

@@ -25,6 +25,16 @@
         "types": "./dist/cjs/tools/index.d.ts",
         "default": "./dist/cjs/tools/index.js"
       }
+    },
+    "./ui": {
+      "import": {
+        "types": "./dist/esm/ui/index.d.ts",
+        "default": "./dist/esm/ui/index.js"
+      },
+      "require": {
+        "types": "./dist/cjs/ui/index.d.ts",
+        "default": "./dist/cjs/ui/index.js"
+      }
     }
   },
   "main": "./dist/cjs/lib.js",
@@ -44,15 +54,16 @@
     "dist"
   ],
   "scripts": {
-    "start": "node dist/index.js --transport http --loggers stderr mcp --previewFeatures vectorSearch",
+    "start": "node dist/index.js --transport http --loggers stderr mcp --previewFeatures search",
     "start:stdio": "node dist/index.js --transport stdio --loggers stderr mcp",
     "prepare": "husky && pnpm run build",
     "build:clean": "rm -rf dist",
     "build:update-package-version": "tsx scripts/updatePackageVersion.ts",
     "build:esm": "tsc --project tsconfig.esm.json && chmod +x dist/esm/index.js",
     "build:cjs": "tsc --project tsconfig.cjs.json",
+    "build:ui": "vite build --config vite.ui.config.ts",
     "build:universal-package": "tsx scripts/createUniversalPackage.ts",
-    "build": "pnpm run build:clean && concurrently \"pnpm run build:esm\" \"pnpm run build:cjs\" && pnpm run build:universal-package",
+    "build": "pnpm run build:clean && pnpm run build:ui && concurrently \"pnpm run build:esm\" \"pnpm run build:cjs\" && pnpm run build:universal-package",
     "inspect": "pnpm run build && mcp-inspector -- dist/esm/index.js",
     "prettier": "prettier",
     "check": "concurrently \"pnpm run build\" \"pnpm run check:types\" \"pnpm run check:lint\" \"pnpm run check:format\" \"pnpm run check:dependencies\"",
@@ -86,9 +97,14 @@
     "@types/express": "^5.0.3",
     "@types/node": "^24.5.2",
     "@types/proper-lockfile": "^4.1.4",
+    "@types/react": "^18.3.0",
+    "@types/react-dom": "^19.2.3",
+    "react": "^18.3.0",
+    "react-dom": "^18.3.0",
     "@types/semver": "^7.7.0",
     "@types/yargs-parser": "^21.0.3",
     "@typescript-eslint/parser": "^8.44.0",
+    "@vitejs/plugin-react": "^5.1.1",
     "@vitest/coverage-v8": "^3.2.4",
     "@vitest/eslint-plugin": "^1.3.4",
     "concurrently": "^9.2.1",
@@ -112,9 +128,15 @@
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.41.0",
     "uuid": "^13.0.0",
+    "vite": "^5.4.21",
+    "vite-plugin-node-polyfills": "^0.24.0",
+    "vite-plugin-singlefile": "^2.3.0",
     "vitest": "^3.2.4"
   },
   "dependencies": {
+    "@emotion/css": "^11.13.5",
+    "@leafygreen-ui/table": "^15.2.2",
+    "@mcp-ui/server": "^5.13.1",
     "@modelcontextprotocol/sdk": "^1.24.2",
     "@mongodb-js/device-id": "^0.3.1",
     "@mongodb-js/devtools-proxy-support": "^0.5.3",