diff --git a/apps/open-swe/package.json b/apps/open-swe/package.json
index 3b11fc45..2e591258 100644
--- a/apps/open-swe/package.json
+++ b/apps/open-swe/package.json
@@ -28,6 +28,7 @@
     "@langchain/langgraph-sdk": "^0.0.78",
     "@langchain/openai": "^0.5.10",
     "@octokit/rest": "^22.0.0",
+    "@open-swe/shared": "workspace:*",
     "diff": "^8.0.1",
     "langchain": "^0.3.26",
     "langsmith": "^0.3.29",
diff --git a/apps/open-swe/src/index.ts b/apps/open-swe/src/index.ts
index b6039813..6b1d6557 100644
--- a/apps/open-swe/src/index.ts
+++ b/apps/open-swe/src/index.ts
@@ -1,5 +1,9 @@
 import { END, START, StateGraph } from "@langchain/langgraph";
-import { GraphAnnotation, GraphConfiguration, GraphState } from "./types.js";
+import {
+  GraphAnnotation,
+  GraphConfiguration,
+  GraphState,
+} from "@open-swe/shared/open-swe/types";
 import {
   initialize,
   generateAction,
diff --git a/apps/open-swe/src/nodes/diagnose-error.ts b/apps/open-swe/src/nodes/diagnose-error.ts
index bee2766c..6a723fad 100644
--- a/apps/open-swe/src/nodes/diagnose-error.ts
+++ b/apps/open-swe/src/nodes/diagnose-error.ts
@@ -3,7 +3,12 @@ import {
   isToolMessage,
   ToolMessage,
 } from "@langchain/core/messages";
-import { GraphConfig, GraphState, GraphUpdate, PlanItem } from "../types.js";
+import {
+  GraphConfig,
+  GraphState,
+  GraphUpdate,
+  PlanItem,
+} from "@open-swe/shared/open-swe/types";
 import { formatPlanPromptWithSummaries } from "../utils/plan-prompt.js";
 import {
   getMessageContentString,
diff --git a/apps/open-swe/src/nodes/generate-conclusion.ts b/apps/open-swe/src/nodes/generate-conclusion.ts
index d45ae9e7..dbd1394f 100644
--- a/apps/open-swe/src/nodes/generate-conclusion.ts
+++ b/apps/open-swe/src/nodes/generate-conclusion.ts
@@ -1,4 +1,9 @@
-import { GraphConfig, GraphState, GraphUpdate, PlanItem } from "../types.js";
+import {
+  GraphConfig,
+  GraphState,
+  GraphUpdate,
+  PlanItem,
+} from "@open-swe/shared/open-swe/types";
 import { loadModel, Task } from "../utils/load-model.js";
 import {
   getMessageContentString,
diff --git a/apps/open-swe/src/nodes/generate-message.ts b/apps/open-swe/src/nodes/generate-message.ts
index 9fa0e24d..4f7f3afa 100644
--- a/apps/open-swe/src/nodes/generate-message.ts
+++ b/apps/open-swe/src/nodes/generate-message.ts
@@ -1,4 +1,8 @@
-import { GraphState, GraphConfig, GraphUpdate } from "../types.js";
+import {
+  GraphState,
+  GraphConfig,
+  GraphUpdate,
+} from "@open-swe/shared/open-swe/types";
 import { loadModel, Task } from "../utils/load-model.js";
 import {
   shellTool,
@@ -12,7 +16,7 @@ import { createLogger, LogLevel } from "../utils/logger.js";
 import { getCurrentPlanItem } from "../utils/current-task.js";
 import { getMessageContentString } from "../utils/message/content.js";
 import { getActivePlanItems } from "../utils/task-plan.js";
-import { SANDBOX_ROOT_DIR } from "../constants.js";
+import { SANDBOX_ROOT_DIR } from "@open-swe/shared/constants";
 
 const logger = createLogger(LogLevel.INFO, "GenerateMessageNode");
 
diff --git a/apps/open-swe/src/nodes/initialize.ts b/apps/open-swe/src/nodes/initialize.ts
index aa0da385..aa9e0809 100644
--- a/apps/open-swe/src/nodes/initialize.ts
+++ b/apps/open-swe/src/nodes/initialize.ts
@@ -1,5 +1,9 @@
 import { createLogger, LogLevel } from "../utils/logger.js";
-import { GraphState, GraphConfig, GraphUpdate } from "../types.js";
+import {
+  GraphState,
+  GraphConfig,
+  GraphUpdate,
+} from "@open-swe/shared/open-swe/types";
 import {
   checkoutBranch,
   cloneRepo,
@@ -9,7 +13,7 @@ import {
   pullLatestChanges,
 } from "../utils/git.js";
 import { daytonaClient } from "../utils/sandbox.js";
-import { SNAPSHOT_NAME } from "../constants.js";
+import { SNAPSHOT_NAME } from "@open-swe/shared/constants";
 import { getGitHubTokensFromConfig } from "../utils/github-tokens.js";
 import { getCodebaseTree } from "../utils/tree.js";
 
diff --git a/apps/open-swe/src/nodes/interrupt-plan.ts b/apps/open-swe/src/nodes/interrupt-plan.ts
index a1192796..44169f3a 100644
--- a/apps/open-swe/src/nodes/interrupt-plan.ts
+++ b/apps/open-swe/src/nodes/interrupt-plan.ts
@@ -1,5 +1,5 @@
 import { Command, END, interrupt } from "@langchain/langgraph";
-import { GraphState, GraphUpdate } from "../types.js";
+import { GraphState, GraphUpdate } from "@open-swe/shared/open-swe/types";
 import {
   ActionRequest,
   HumanInterrupt,
diff --git a/apps/open-swe/src/nodes/open-pr.ts b/apps/open-swe/src/nodes/open-pr.ts
index b503e66d..9d02a4bc 100644
--- a/apps/open-swe/src/nodes/open-pr.ts
+++ b/apps/open-swe/src/nodes/open-pr.ts
@@ -1,4 +1,9 @@
-import { GraphConfig, GraphState, GraphUpdate, PlanItem } from "../types.js";
+import {
+  GraphConfig,
+  GraphState,
+  GraphUpdate,
+  PlanItem,
+} from "@open-swe/shared/open-swe/types";
 import {
   checkoutBranchAndCommit,
   createPullRequest,
diff --git a/apps/open-swe/src/nodes/progress-plan-step.ts b/apps/open-swe/src/nodes/progress-plan-step.ts
index fded9edd..5002d139 100644
--- a/apps/open-swe/src/nodes/progress-plan-step.ts
+++ b/apps/open-swe/src/nodes/progress-plan-step.ts
@@ -1,6 +1,11 @@
 import { z } from "zod";
 import { createLogger, LogLevel } from "../utils/logger.js";
-import { GraphConfig, GraphState, GraphUpdate, PlanItem } from "../types.js";
+import {
+  GraphConfig,
+  GraphState,
+  GraphUpdate,
+  PlanItem,
+} from "@open-swe/shared/open-swe/types";
 import { loadModel, Task } from "../utils/load-model.js";
 import { formatPlanPrompt } from "../utils/plan-prompt.js";
 import { Command } from "@langchain/langgraph";
diff --git a/apps/open-swe/src/nodes/request-help.ts b/apps/open-swe/src/nodes/request-help.ts
index e96e4e77..5c396bd3 100644
--- a/apps/open-swe/src/nodes/request-help.ts
+++ b/apps/open-swe/src/nodes/request-help.ts
@@ -1,5 +1,5 @@
 import { isAIMessage, ToolMessage } from "@langchain/core/messages";
-import { GraphState, GraphUpdate } from "../types.js";
+import { GraphState, GraphUpdate } from "@open-swe/shared/open-swe/types";
 import { HumanInterrupt, HumanResponse } from "@langchain/langgraph/prebuilt";
 import { END, interrupt, Command } from "@langchain/langgraph";
 import { stopSandbox, startSandbox } from "../utils/sandbox.js";
diff --git a/apps/open-swe/src/nodes/rewrite-plan.ts b/apps/open-swe/src/nodes/rewrite-plan.ts
index 6aa23b70..f3f70ad1 100644
--- a/apps/open-swe/src/nodes/rewrite-plan.ts
+++ b/apps/open-swe/src/nodes/rewrite-plan.ts
@@ -1,4 +1,9 @@
-import { GraphState, GraphConfig, GraphUpdate, PlanItem } from "../types.js";
+import {
+  GraphState,
+  GraphConfig,
+  GraphUpdate,
+  PlanItem,
+} from "@open-swe/shared/open-swe/types";
 import { loadModel, Task } from "../utils/load-model.js";
 import { z } from "zod";
 import { tool } from "@langchain/core/tools";
diff --git a/apps/open-swe/src/nodes/summarize-task-steps.ts b/apps/open-swe/src/nodes/summarize-task-steps.ts
index 40b6d1c5..d934277d 100644
--- a/apps/open-swe/src/nodes/summarize-task-steps.ts
+++ b/apps/open-swe/src/nodes/summarize-task-steps.ts
@@ -1,5 +1,10 @@
 import { v4 as uuidv4 } from "uuid";
-import { GraphConfig, GraphState, GraphUpdate, PlanItem } from "../types.js";
+import {
+  GraphConfig,
+  GraphState,
+  GraphUpdate,
+  PlanItem,
+} from "@open-swe/shared/open-swe/types";
 import { loadModel, Task } from "../utils/load-model.js";
 import { AIMessage, BaseMessage } from "@langchain/core/messages";
 import { formatPlanPrompt } from "../utils/plan-prompt.js";
diff --git a/apps/open-swe/src/nodes/take-action.ts b/apps/open-swe/src/nodes/take-action.ts
index 12f536af..1b63d91f 100644
--- a/apps/open-swe/src/nodes/take-action.ts
+++ b/apps/open-swe/src/nodes/take-action.ts
@@ -5,7 +5,7 @@ import {
 } from "@langchain/core/messages";
 import { createLogger, LogLevel } from "../utils/logger.js";
 import { applyPatchTool, shellTool } from "../tools/index.js";
-import { GraphState, GraphConfig } from "../types.js";
+import { GraphState, GraphConfig } from "@open-swe/shared/open-swe/types";
 import {
   checkoutBranchAndCommit,
   getChangedFilesStatus,
diff --git a/apps/open-swe/src/subgraphs/planner/index.ts b/apps/open-swe/src/subgraphs/planner/index.ts
index 324c9df6..d24541f2 100644
--- a/apps/open-swe/src/subgraphs/planner/index.ts
+++ b/apps/open-swe/src/subgraphs/planner/index.ts
@@ -11,7 +11,10 @@ import {
   PlannerGraphStateObj,
   PlannerGraphUpdate,
 } from "./types.js";
-import { GraphConfig, GraphConfiguration } from "../../types.js";
+import {
+  GraphConfig,
+  GraphConfiguration,
+} from "@open-swe/shared/open-swe/types";
 import {
   generateAction,
   generatePlan,
diff --git a/apps/open-swe/src/subgraphs/planner/nodes/generate-message.ts b/apps/open-swe/src/subgraphs/planner/nodes/generate-message.ts
index 9a76c9a6..1e66ae00 100644
--- a/apps/open-swe/src/subgraphs/planner/nodes/generate-message.ts
+++ b/apps/open-swe/src/subgraphs/planner/nodes/generate-message.ts
@@ -1,14 +1,14 @@
 import { loadModel, Task } from "../../../utils/load-model.js";
 import { shellTool } from "../../../tools/index.js";
 import { PlannerGraphState, PlannerGraphUpdate } from "../types.js";
-import { GraphConfig } from "../../../types.js";
+import { GraphConfig } from "@open-swe/shared/open-swe/types";
 import { createLogger, LogLevel } from "../../../utils/logger.js";
 import { getMessageContentString } from "../../../utils/message/content.js";
 import { getUserRequest } from "../../../utils/user-request.js";
 import { isHumanMessage } from "@langchain/core/messages";
 import { formatFollowupMessagePrompt } from "../utils/followup-prompt.js";
 import { getRepoAbsolutePath } from "../../../utils/git.js";
-import { SANDBOX_ROOT_DIR } from "../../../constants.js";
+import { SANDBOX_ROOT_DIR } from "@open-swe/shared/constants";
 
 const logger = createLogger(LogLevel.INFO, "GeneratePlanningMessageNode");
 
diff --git a/apps/open-swe/src/subgraphs/planner/nodes/generate-plan.ts b/apps/open-swe/src/subgraphs/planner/nodes/generate-plan.ts
index 8e3372a5..6be84cb5 100644
--- a/apps/open-swe/src/subgraphs/planner/nodes/generate-plan.ts
+++ b/apps/open-swe/src/subgraphs/planner/nodes/generate-plan.ts
@@ -4,7 +4,7 @@ import {
   ToolMessage,
 } from "@langchain/core/messages";
 import { sessionPlanTool } from "../../../tools/index.js";
-import { GraphConfig } from "../../../types.js";
+import { GraphConfig } from "@open-swe/shared/open-swe/types";
 import { loadModel, Task } from "../../../utils/load-model.js";
 import { PlannerGraphState, PlannerGraphUpdate } from "../types.js";
 import { getUserRequest } from "../../../utils/user-request.js";
diff --git a/apps/open-swe/src/subgraphs/planner/nodes/summarizer.ts b/apps/open-swe/src/subgraphs/planner/nodes/summarizer.ts
index 670f5a61..8a85fb01 100644
--- a/apps/open-swe/src/subgraphs/planner/nodes/summarizer.ts
+++ b/apps/open-swe/src/subgraphs/planner/nodes/summarizer.ts
@@ -1,5 +1,5 @@
 import { z } from "zod";
-import { GraphConfig } from "../../../types.js";
+import { GraphConfig } from "@open-swe/shared/open-swe/types";
 import { PlannerGraphState, PlannerGraphUpdate } from "../types.js";
 import { loadModel, Task } from "../../../utils/load-model.js";
 import { getMessageString } from "../../../utils/message/content.js";
diff --git a/apps/open-swe/src/subgraphs/planner/nodes/take-action.ts b/apps/open-swe/src/subgraphs/planner/nodes/take-action.ts
index 2789a7e6..0d2c41f5 100644
--- a/apps/open-swe/src/subgraphs/planner/nodes/take-action.ts
+++ b/apps/open-swe/src/subgraphs/planner/nodes/take-action.ts
@@ -1,6 +1,6 @@
 import { isAIMessage, ToolMessage } from "@langchain/core/messages";
 import { shellTool } from "../../../tools/index.js";
-import { GraphConfig } from "../../../types.js";
+import { GraphConfig } from "@open-swe/shared/open-swe/types";
 import { PlannerGraphState, PlannerGraphUpdate } from "../types.js";
 import { createLogger, LogLevel } from "../../../utils/logger.js";
 import { zodSchemaToString } from "../../../utils/zod-to-string.js";
diff --git a/apps/open-swe/src/subgraphs/planner/types.ts b/apps/open-swe/src/subgraphs/planner/types.ts
index 6dbcc184..051a4fc6 100644
--- a/apps/open-swe/src/subgraphs/planner/types.ts
+++ b/apps/open-swe/src/subgraphs/planner/types.ts
@@ -2,7 +2,7 @@ import "@langchain/langgraph/zod";
 import { z } from "zod";
 import { addMessages, Messages } from "@langchain/langgraph";
 import { BaseMessage } from "@langchain/core/messages";
-import { GraphAnnotation } from "../../types.js";
+import { GraphAnnotation } from "@open-swe/shared/open-swe/types";
 
 export const PlannerGraphStateObj = GraphAnnotation.extend({
   plannerMessages: z
diff --git a/apps/open-swe/src/subgraphs/planner/utils/followup-prompt.ts b/apps/open-swe/src/subgraphs/planner/utils/followup-prompt.ts
index 3060f394..afaf5f86 100644
--- a/apps/open-swe/src/subgraphs/planner/utils/followup-prompt.ts
+++ b/apps/open-swe/src/subgraphs/planner/utils/followup-prompt.ts
@@ -1,4 +1,4 @@
-import { TaskPlan } from "../../../types.js";
+import { TaskPlan } from "@open-swe/shared/open-swe/types";
 
 const followupMessagePrompt = `
 The user is sending a followup request for you to generate a plan for. You are provided with the following context to aid in your new plan context gathering steps:
diff --git a/apps/open-swe/src/tools/apply-patch.ts b/apps/open-swe/src/tools/apply-patch.ts
index fcd85fed..7f4c4acf 100644
--- a/apps/open-swe/src/tools/apply-patch.ts
+++ b/apps/open-swe/src/tools/apply-patch.ts
@@ -1,13 +1,13 @@
 import { tool } from "@langchain/core/tools";
 import { z } from "zod";
 import { applyPatch } from "diff";
-import { GraphState } from "../types.js";
+import { GraphState } from "@open-swe/shared/open-swe/types";
 import { readFile, writeFile } from "../utils/read-write.js";
 import { getCurrentTaskInput } from "@langchain/langgraph";
 import { fixGitPatch } from "../utils/diff.js";
 import { createLogger, LogLevel } from "../utils/logger.js";
 import { daytonaClient } from "../utils/sandbox.js";
-import { SANDBOX_ROOT_DIR } from "../constants.js";
+import { SANDBOX_ROOT_DIR } from "@open-swe/shared/constants";
 
 const logger = createLogger(LogLevel.INFO, "ApplyPatchTool");
 
diff --git a/apps/open-swe/src/tools/shell.ts b/apps/open-swe/src/tools/shell.ts
index 55ab93ab..3dcbc41a 100644
--- a/apps/open-swe/src/tools/shell.ts
+++ b/apps/open-swe/src/tools/shell.ts
@@ -1,12 +1,12 @@
 import { tool } from "@langchain/core/tools";
 import { z } from "zod";
 import { Sandbox } from "@daytonaio/sdk";
-import { GraphState } from "../types.js";
+import { GraphState } from "@open-swe/shared/open-swe/types";
 import { getCurrentTaskInput } from "@langchain/langgraph";
 import { getSandboxErrorFields } from "../utils/sandbox-error-fields.js";
 import { createLogger, LogLevel } from "../utils/logger.js";
 import { daytonaClient } from "../utils/sandbox.js";
-import { SANDBOX_ROOT_DIR, TIMEOUT_SEC } from "../constants.js";
+import { SANDBOX_ROOT_DIR, TIMEOUT_SEC } from "@open-swe/shared/constants";
 
 const logger = createLogger(LogLevel.INFO, "ShellTool");
 
diff --git a/apps/open-swe/src/utils/current-task.ts b/apps/open-swe/src/utils/current-task.ts
index 8f6d936a..15e634a7 100644
--- a/apps/open-swe/src/utils/current-task.ts
+++ b/apps/open-swe/src/utils/current-task.ts
@@ -1,4 +1,4 @@
-import { PlanItem } from "../types.js";
+import { PlanItem } from "@open-swe/shared/open-swe/types";
 
 export function getCurrentPlanItem(plan: PlanItem[]): PlanItem {
   return (
diff --git a/apps/open-swe/src/utils/git.ts b/apps/open-swe/src/utils/git.ts
index 2098f7a1..ac375213 100644
--- a/apps/open-swe/src/utils/git.ts
+++ b/apps/open-swe/src/utils/git.ts
@@ -1,8 +1,8 @@
 import { Octokit } from "@octokit/rest";
 import { Sandbox } from "@daytonaio/sdk";
 import { createLogger, LogLevel } from "./logger.js";
-import { GraphConfig, TargetRepository } from "../types.js";
-import { TIMEOUT_SEC, SANDBOX_ROOT_DIR } from "../constants.js";
+import { GraphConfig, TargetRepository } from "@open-swe/shared/open-swe/types";
+import { TIMEOUT_SEC, SANDBOX_ROOT_DIR } from "@open-swe/shared/constants";
 import { getSandboxErrorFields } from "./sandbox-error-fields.js";
 import { ExecuteResponse } from "@daytonaio/sdk/dist/types/ExecuteResponse.js";
 
diff --git a/apps/open-swe/src/utils/github-tokens.ts b/apps/open-swe/src/utils/github-tokens.ts
index d81bb6a2..87a91f4e 100644
--- a/apps/open-swe/src/utils/github-tokens.ts
+++ b/apps/open-swe/src/utils/github-tokens.ts
@@ -1,4 +1,4 @@
-import { GraphConfig } from "../types.js";
+import { GraphConfig } from "@open-swe/shared/open-swe/types";
 
 export function getGitHubTokensFromConfig(config: GraphConfig): {
   githubToken: string;
diff --git a/apps/open-swe/src/utils/load-model.ts b/apps/open-swe/src/utils/load-model.ts
index e71df9f6..163738b1 100644
--- a/apps/open-swe/src/utils/load-model.ts
+++ b/apps/open-swe/src/utils/load-model.ts
@@ -1,5 +1,5 @@
 import { initChatModel } from "langchain/chat_models/universal";
-import { GraphConfig } from "../types.js";
+import { GraphConfig } from "@open-swe/shared/open-swe/types";
 
 export enum Task {
   PLANNER = "planner",
diff --git a/apps/open-swe/src/utils/plan-prompt.ts b/apps/open-swe/src/utils/plan-prompt.ts
index a98d09a9..9df45c93 100644
--- a/apps/open-swe/src/utils/plan-prompt.ts
+++ b/apps/open-swe/src/utils/plan-prompt.ts
@@ -1,4 +1,4 @@
-import { PlanItem } from "../types.js";
+import { PlanItem } from "@open-swe/shared/open-swe/types";
 
 export const PLAN_PROMPT = `## Completed Tasks
 {COMPLETED_TASKS}
diff --git a/apps/open-swe/src/utils/task-plan.ts b/apps/open-swe/src/utils/task-plan.ts
index a884c6ff..241792f8 100644
--- a/apps/open-swe/src/utils/task-plan.ts
+++ b/apps/open-swe/src/utils/task-plan.ts
@@ -1,5 +1,10 @@
 import { v4 as uuidv4 } from "uuid";
-import { PlanItem, Task, TaskPlan, PlanRevision } from "../types.js";
+import {
+  PlanItem,
+  Task,
+  TaskPlan,
+  PlanRevision,
+} from "@open-swe/shared/open-swe/types";
 
 /**
  * Creates a new task with the provided plan items.
diff --git a/apps/open-swe/src/utils/tree.ts b/apps/open-swe/src/utils/tree.ts
index 10d2390a..3e96fe56 100644
--- a/apps/open-swe/src/utils/tree.ts
+++ b/apps/open-swe/src/utils/tree.ts
@@ -1,9 +1,9 @@
 import { getCurrentTaskInput } from "@langchain/langgraph";
-import { GraphState } from "../types.js";
+import { GraphState } from "@open-swe/shared/open-swe/types";
 import { daytonaClient } from "./sandbox.js";
 import { createLogger, LogLevel } from "./logger.js";
 import path from "node:path";
-import { SANDBOX_ROOT_DIR, TIMEOUT_SEC } from "../constants.js";
+import { SANDBOX_ROOT_DIR, TIMEOUT_SEC } from "@open-swe/shared/constants";
 
 const logger = createLogger(LogLevel.INFO, "Tree");
 
diff --git a/package.json b/package.json
index bdfc4c16..50dc9752 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,8 @@
   "author": "LangChain",
   "private": true,
   "workspaces": [
-    "apps/*"
+    "apps/*",
+    "packages/*"
   ],
   "scripts": {
     "dev": "turbo dev",
diff --git a/packages/shared/.codespellignore b/packages/shared/.codespellignore
new file mode 100644
index 00000000..e69de29b
diff --git a/packages/shared/.dockerignore b/packages/shared/.dockerignore
new file mode 100644
index 00000000..d97359f1
--- /dev/null
+++ b/packages/shared/.dockerignore
@@ -0,0 +1,4 @@
+node_modules
+.next
+.git
+.env
\ No newline at end of file
diff --git a/packages/shared/.gitignore b/packages/shared/.gitignore
new file mode 100644
index 00000000..494dcfd9
--- /dev/null
+++ b/packages/shared/.gitignore
@@ -0,0 +1,28 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# LangGraph API
+.langgraph_api
+.env
\ No newline at end of file
diff --git a/packages/shared/.prettierrc b/packages/shared/.prettierrc
new file mode 100644
index 00000000..222861c3
--- /dev/null
+++ b/packages/shared/.prettierrc
@@ -0,0 +1,4 @@
+{
+  "tabWidth": 2,
+  "useTabs": false
+}
diff --git a/packages/shared/eslint.config.js b/packages/shared/eslint.config.js
new file mode 100644
index 00000000..28e5f3a3
--- /dev/null
+++ b/packages/shared/eslint.config.js
@@ -0,0 +1,28 @@
+import js from "@eslint/js";
+import globals from "globals";
+import tseslint from "typescript-eslint";
+
+export default tseslint.config(
+  { ignores: ["dist"] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ["**/*.{ts,tsx}"],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.node,
+    },
+    rules: {
+      "@typescript-eslint/no-explicit-any": 0,
+      "@typescript-eslint/no-unused-vars": [
+        "error",
+        {
+          args: "none",
+          argsIgnorePattern: "^_",
+          varsIgnorePattern: "^_",
+          caughtErrorsIgnorePattern: "^_",
+        },
+      ],
+      "no-console": ["error"],
+    },
+  },
+);
diff --git a/packages/shared/package.json b/packages/shared/package.json
new file mode 100644
index 00000000..e2a49272
--- /dev/null
+++ b/packages/shared/package.json
@@ -0,0 +1,59 @@
+{
+  "name": "@open-swe/shared",
+  "homepage": "https://github.com/langchain-ai/open-swe/blob/main/README.md",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/langchain-ai/open-swe.git"
+  },
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "clean": "rm -rf ./dist .turbo || true",
+    "build": "yarn clean && tsc",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix",
+    "format": "prettier --write .",
+    "format:check": "prettier --check ."
+  },
+  "dependencies": {
+    "@langchain/core": "^0.3.56",
+    "@langchain/langgraph": "^0.2.73",
+    "zod": "^3.23.8"
+  },
+  "devDependencies": {
+    "@eslint/eslintrc": "^3.1.0",
+    "@eslint/js": "^9.19.0",
+    "@tsconfig/recommended": "^1.0.8",
+    "@types/node": "^22.13.5",
+    "dotenv": "^16.4.7",
+    "eslint": "^9.19.0",
+    "eslint-config-prettier": "^8.8.0",
+    "eslint-plugin-import": "^2.27.5",
+    "eslint-plugin-no-instanceof": "^1.0.1",
+    "eslint-plugin-prettier": "^4.2.1",
+    "prettier": "^3.5.2",
+    "typescript": "~5.7.2",
+    "typescript-eslint": "^8.22.0"
+  },
+  "packageManager": "yarn@3.5.1",
+  "main": "dist/index.js",
+  "module": "dist/index.mjs",
+  "types": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js",
+      "require": "./dist/index.js"
+    },
+    "./*": {
+      "types": "./dist/*.d.ts",
+      "import": "./dist/*.js",
+      "require": "./dist/*.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "dist/**/*"
+  ]
+}
diff --git a/apps/open-swe/src/constants.ts b/packages/shared/src/constants.ts
similarity index 100%
rename from apps/open-swe/src/constants.ts
rename to packages/shared/src/constants.ts
diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
new file mode 100644
index 00000000..187292cc
--- /dev/null
+++ b/packages/shared/src/index.ts
@@ -0,0 +1,2 @@
+// no-op file
+export {};
diff --git a/apps/open-swe/src/types.ts b/packages/shared/src/open-swe/types.ts
similarity index 100%
rename from apps/open-swe/src/types.ts
rename to packages/shared/src/open-swe/types.ts
diff --git a/packages/shared/tsconfig.json b/packages/shared/tsconfig.json
new file mode 100644
index 00000000..fa10e748
--- /dev/null
+++ b/packages/shared/tsconfig.json
@@ -0,0 +1,25 @@
+{
+  "extends": "@tsconfig/recommended",
+  "compilerOptions": {
+    "target": "ES2021",
+    "lib": ["ES2023"],
+    "module": "NodeNext",
+    "moduleResolution": "nodenext",
+    "esModuleInterop": true,
+    "noImplicitReturns": true,
+    "declaration": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "useDefineForClassFields": true,
+    "strictPropertyInitialization": false,
+    "allowJs": true,
+    "strict": true,
+    "strictFunctionTypes": false,
+    "outDir": "dist",
+    "types": ["jest", "node"],
+    "resolveJsonModule": true
+  },
+  "include": ["src/**/*.ts", "src/*.ts"],
+  "exclude": ["node_modules", "dist"]
+}
diff --git a/packages/shared/turbo.json b/packages/shared/turbo.json
new file mode 100644
index 00000000..bf79edc4
--- /dev/null
+++ b/packages/shared/turbo.json
@@ -0,0 +1,11 @@
+{
+  "extends": ["//"],
+  "tasks": {
+    "build": {
+      "outputs": ["dist/**"]
+    },
+    "dev": {
+      "dependsOn": ["^dev"]
+    }
+  }
+}
diff --git a/yarn.lock b/yarn.lock
index 3cf230ae..24954631 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1918,6 +1918,7 @@ __metadata:
     "@langchain/langgraph-sdk": ^0.0.78
     "@langchain/openai": ^0.5.10
     "@octokit/rest": ^22.0.0
+    "@open-swe/shared": "workspace:*"
     "@tsconfig/recommended": ^1.0.8
     "@types/jest": ^29.5.0
     "@types/node": ^22.13.5
@@ -1940,6 +1941,29 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"@open-swe/shared@workspace:*, @open-swe/shared@workspace:packages/shared":
+  version: 0.0.0-use.local
+  resolution: "@open-swe/shared@workspace:packages/shared"
+  dependencies:
+    "@eslint/eslintrc": ^3.1.0
+    "@eslint/js": ^9.19.0
+    "@langchain/core": ^0.3.56
+    "@langchain/langgraph": ^0.2.73
+    "@tsconfig/recommended": ^1.0.8
+    "@types/node": ^22.13.5
+    dotenv: ^16.4.7
+    eslint: ^9.19.0
+    eslint-config-prettier: ^8.8.0
+    eslint-plugin-import: ^2.27.5
+    eslint-plugin-no-instanceof: ^1.0.1
+    eslint-plugin-prettier: ^4.2.1
+    prettier: ^3.5.2
+    typescript: ~5.7.2
+    typescript-eslint: ^8.22.0
+    zod: ^3.23.8
+  languageName: unknown
+  linkType: soft
+
 "@open-swe/web@workspace:apps/web":
   version: 0.0.0-use.local
   resolution: "@open-swe/web@workspace:apps/web"