diff --git a/.gitignore b/.gitignore
index 36386ce1c..2c6028230 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,5 @@ dist
 
 .env
 .ipynb_checkpoints
+dist-cjs
+**/dist-cjs
\ No newline at end of file
diff --git a/libs/checkpoint-mongodb/package.json b/libs/checkpoint-mongodb/package.json
index 7057821c5..b1238b93a 100644
--- a/libs/checkpoint-mongodb/package.json
+++ b/libs/checkpoint-mongodb/package.json
@@ -14,7 +14,8 @@
   },
   "scripts": {
     "build": "yarn turbo:command build:internal --filter=@langchain/langgraph-checkpoint-sqlite",
-    "build:internal": "yarn lc_build_v2 --create-entrypoints --pre --tree-shaking",
+    "build:internal": "yarn clean && yarn lc_build --create-entrypoints --pre --tree-shaking",
+    "clean": "rm -rf dist/ dist-cjs/ .turbo/",
     "lint:eslint": "NODE_OPTIONS=--max-old-space-size=4096 eslint --cache --ext .ts,.js src/",
     "lint:dpdm": "dpdm --exit-code circular:1 --no-warning --no-tree src/*.ts src/**/*.ts",
     "lint": "yarn lint:eslint && yarn lint:dpdm",
@@ -38,7 +39,7 @@
   },
   "devDependencies": {
     "@jest/globals": "^29.5.0",
-    "@langchain/scripts": "^0.0.22",
+    "@langchain/scripts": ">=0.1.2 <0.2.0",
     "@swc/core": "^1.3.90",
     "@swc/jest": "^0.2.29",
     "@tsconfig/recommended": "^1.0.3",
diff --git a/libs/checkpoint-sqlite/package.json b/libs/checkpoint-sqlite/package.json
index 085801146..575863fd5 100644
--- a/libs/checkpoint-sqlite/package.json
+++ b/libs/checkpoint-sqlite/package.json
@@ -14,7 +14,8 @@
   },
   "scripts": {
     "build": "yarn turbo:command build:internal --filter=@langchain/langgraph-checkpoint-sqlite",
-    "build:internal": "yarn lc_build --create-entrypoints --pre --tree-shaking",
+    "build:internal": "yarn clean && yarn lc_build --create-entrypoints --pre --tree-shaking",
+    "clean": "rm -rf dist/ dist-cjs/ .turbo/",
     "lint:eslint": "NODE_OPTIONS=--max-old-space-size=4096 eslint --cache --ext .ts,.js src/",
     "lint:dpdm": "dpdm --exit-code circular:1 --no-warning --no-tree src/*.ts src/**/*.ts",
     "lint": "yarn lint:eslint && yarn lint:dpdm",
@@ -43,7 +44,7 @@
   },
   "devDependencies": {
     "@jest/globals": "^29.5.0",
-    "@langchain/scripts": ">=0.1.0 <0.2.0",
+    "@langchain/scripts": ">=0.1.2 <0.2.0",
     "@swc/core": "^1.3.90",
     "@swc/jest": "^0.2.29",
     "@tsconfig/recommended": "^1.0.3",
diff --git a/libs/checkpoint/package.json b/libs/checkpoint/package.json
index 62277943d..73f8c20ba 100644
--- a/libs/checkpoint/package.json
+++ b/libs/checkpoint/package.json
@@ -14,7 +14,8 @@
   },
   "scripts": {
     "build": "yarn turbo:command build:internal --filter=@langchain/langgraph-checkpoint",
-    "build:internal": "yarn lc_build --create-entrypoints --pre --tree-shaking",
+    "build:internal": "yarn clean && yarn lc_build --create-entrypoints --pre --tree-shaking",
+    "clean": "rm -rf dist/ dist-cjs/ .turbo/",
     "lint:eslint": "NODE_OPTIONS=--max-old-space-size=4096 eslint --cache --ext .ts,.js src/",
     "lint:dpdm": "dpdm --exit-code circular:1 --no-warning --no-tree src/*.ts src/**/*.ts",
     "lint": "yarn lint:eslint && yarn lint:dpdm",
@@ -37,7 +38,7 @@
   },
   "devDependencies": {
     "@jest/globals": "^29.5.0",
-    "@langchain/scripts": ">=0.1.0 <0.2.0",
+    "@langchain/scripts": ">=0.1.2 <0.2.0",
     "@swc/core": "^1.3.90",
     "@swc/jest": "^0.2.29",
     "@tsconfig/recommended": "^1.0.3",
diff --git a/libs/langgraph/package.json b/libs/langgraph/package.json
index 5b2b76a7a..71efcff3c 100644
--- a/libs/langgraph/package.json
+++ b/libs/langgraph/package.json
@@ -14,7 +14,8 @@
   },
   "scripts": {
     "build": "yarn turbo:command build:internal --filter=@langchain/langgraph",
-    "build:internal": "yarn lc_build --create-entrypoints --pre --tree-shaking",
+    "build:internal": "yarn clean && yarn lc_build --create-entrypoints --pre --tree-shaking",
+    "clean": "rm -rf dist/ dist-cjs/ .turbo/",
     "lint:eslint": "NODE_OPTIONS=--max-old-space-size=4096 eslint --cache --ext .ts,.js src/",
     "lint:dpdm": "dpdm --exit-code circular:1 --no-warning --no-tree src/*.ts src/**/*.ts",
     "lint": "yarn lint:eslint && yarn lint:dpdm",
@@ -50,7 +51,7 @@
     "@langchain/anthropic": "^0.2.12",
     "@langchain/community": "^0.2.25",
     "@langchain/openai": "^0.2.4",
-    "@langchain/scripts": ">=0.1.0 <0.2.0",
+    "@langchain/scripts": ">=0.1.2 <0.2.0",
     "@swc/core": "^1.3.90",
     "@swc/jest": "^0.2.29",
     "@tsconfig/recommended": "^1.0.3",
diff --git a/libs/langgraph/src/constants.ts b/libs/langgraph/src/constants.ts
index f560a6c4f..9c09eef39 100644
--- a/libs/langgraph/src/constants.ts
+++ b/libs/langgraph/src/constants.ts
@@ -36,6 +36,7 @@ export function _isSendInterface(x: unknown): x is SendInterface {
 }
 
 /**
+ *
  * A message or packet to send to a specific node in the graph.
  *
  * The `Send` class is used within a `StateGraph`'s conditional edges to
diff --git a/yarn.lock b/yarn.lock
index ab545c49d..88b876079 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1877,7 +1877,7 @@ __metadata:
   resolution: "@langchain/langgraph-checkpoint-mongodb@workspace:libs/checkpoint-mongodb"
   dependencies:
     "@jest/globals": ^29.5.0
-    "@langchain/scripts": ^0.0.22
+    "@langchain/scripts": ">=0.1.2 <0.2.0"
     "@swc/core": ^1.3.90
     "@swc/jest": ^0.2.29
     "@tsconfig/recommended": ^1.0.3
@@ -1915,7 +1915,7 @@ __metadata:
   dependencies:
     "@jest/globals": ^29.5.0
     "@langchain/langgraph-checkpoint": ~0.0.1
-    "@langchain/scripts": ">=0.1.0 <0.2.0"
+    "@langchain/scripts": ">=0.1.2 <0.2.0"
     "@swc/core": ^1.3.90
     "@swc/jest": ^0.2.29
     "@tsconfig/recommended": ^1.0.3
@@ -1955,7 +1955,7 @@ __metadata:
   resolution: "@langchain/langgraph-checkpoint@workspace:libs/checkpoint"
   dependencies:
     "@jest/globals": ^29.5.0
-    "@langchain/scripts": ">=0.1.0 <0.2.0"
+    "@langchain/scripts": ">=0.1.2 <0.2.0"
     "@swc/core": ^1.3.90
     "@swc/jest": ^0.2.29
     "@tsconfig/recommended": ^1.0.3
@@ -1996,7 +1996,7 @@ __metadata:
     "@langchain/langgraph-checkpoint": ~0.0.1
     "@langchain/langgraph-checkpoint-sqlite": ~0.0.1
     "@langchain/openai": ^0.2.4
-    "@langchain/scripts": ">=0.1.0 <0.2.0"
+    "@langchain/scripts": ">=0.1.2 <0.2.0"
     "@swc/core": ^1.3.90
     "@swc/jest": ^0.2.29
     "@tsconfig/recommended": ^1.0.3
@@ -2086,9 +2086,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@langchain/scripts@npm:>=0.1.0 <0.2.0":
-  version: 0.1.1
-  resolution: "@langchain/scripts@npm:0.1.1"
+"@langchain/scripts@npm:>=0.1.2 <0.2.0":
+  version: 0.1.2
+  resolution: "@langchain/scripts@npm:0.1.2"
   dependencies:
     "@rollup/wasm-node": ^4.19.0
     axios: ^1.6.7
@@ -2103,29 +2103,7 @@ __metadata:
   bin:
     lc_build: bin/build.js
     notebook_validate: bin/validate_notebook.js
-  checksum: 4c56c081b456b072ea0e9b6eddbe9f8e8d69996027800084ae871e20fc76453a12fcf64794c6b3e0d5aae5177603a772a906d4a2b591dbe70ca7bb51327bfa8c
-  languageName: node
-  linkType: hard
-
-"@langchain/scripts@npm:^0.0.22":
-  version: 0.0.22
-  resolution: "@langchain/scripts@npm:0.0.22"
-  dependencies:
-    "@rollup/wasm-node": ^4.19.0
-    axios: ^1.6.7
-    commander: ^11.1.0
-    glob: ^10.3.10
-    lodash: ^4.17.21
-    readline: ^1.3.0
-    rimraf: ^5.0.1
-    rollup: ^4.5.2
-    ts-morph: ^21.0.1
-    typescript: ^5.4.5
-  bin:
-    lc-build: bin/build.js
-    lc_build_v2: bin/build_v2.js
-    notebook_validate: bin/validate_notebook.js
-  checksum: d44cd14e83b895959cb8692a8308eb1f740556de359de3f16a7722445c5adaafc0606b9f078743030b17bb633efccb344c8f156d8e57e3221fcc73377427a021
+  checksum: b6ae7f02b2f486af15c1e41dbd8113ef16b78d86c7d9d17e337a93e31e131778513418b9de81d9ba6e8f869bd0d32b395772f25ef8e579154adc280c8f9237a7
   languageName: node
   linkType: hard