diff --git a/legacy/package.json b/legacy/package.json
index d1ee4aaa..64085331 100644
--- a/legacy/package.json
+++ b/legacy/package.json
@@ -6,21 +6,32 @@
   "repository": "transitive-bullshit/agentic",
   "license": "MIT",
   "type": "module",
+  "source": "./src/index.ts",
+  "types": "./build/index.d.ts",
+  "exports": {
+    ".": {
+      "import": "./build/index.js",
+      "require": "./build/index.cjs",
+      "types": "./build/index.d.ts",
+      "default": "./build/index.js"
+    }
+  },
+  "files": [
+    "build"
+  ],
   "engines": {
     "node": ">=14"
   },
   "scripts": {
-    "build": "run-s build:*",
-    "build:tsup": "lerna run build --no-private",
-    "build:tsc": "tsc --build",
-    "deploy": "lerna run deploy",
-    "clean": "del packages/*/build",
+    "build": "tsup",
+    "dev": "tsup --watch",
+    "clean": "del build",
     "prebuild": "run-s clean",
+    "predev": "run-s clean",
+    "pretest": "run-s build",
     "prepare": "husky install",
     "pre-commit": "lint-staged",
-    "pretest": "run-s build",
     "test": "run-p test:*",
-    "test:unit": "ava",
     "test:prettier": "prettier '**/*.{js,jsx,ts,tsx}' --check"
   },
   "dependencies": {
diff --git a/legacy/tsconfig.json b/legacy/tsconfig.json
new file mode 100644
index 00000000..9c6127d4
--- /dev/null
+++ b/legacy/tsconfig.json
@@ -0,0 +1,20 @@
+{
+  "compilerOptions": {
+    "target": "es2020",
+    "lib": ["esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "forceConsistentCasingInFileNames": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "baseUrl": ".",
+    "outDir": "build",
+    "noEmit": true
+  },
+  "exclude": ["node_modules", "build"],
+  "include": ["**/*.ts"]
+}
diff --git a/legacy/tsup.config.ts b/legacy/tsup.config.ts
new file mode 100644
index 00000000..f6f0cac4
--- /dev/null
+++ b/legacy/tsup.config.ts
@@ -0,0 +1,16 @@
+import { defineConfig } from 'tsup'
+
+export default defineConfig([
+  {
+    entry: ['src/index.ts'],
+    outDir: 'build',
+    target: 'node16',
+    platform: 'node',
+    format: ['esm', 'cjs'],
+    splitting: false,
+    sourcemap: true,
+    minify: false,
+    shims: true,
+    dts: true
+  }
+])