diff --git a/packages/types/package.json b/packages/types/package.json
new file mode 100644
index 0000000..fd07ecd
--- /dev/null
+++ b/packages/types/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "@trawl/types",
+  "version": "0.1.0",
+  "private": true,
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "typecheck": "tsc --noEmit"
+  },
+  "devDependencies": {
+    "typescript": "^6.0.3"
+  }
+}
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
new file mode 100644
index 0000000..1e2df4b
--- /dev/null
+++ b/packages/types/src/index.ts
@@ -0,0 +1,85 @@
+export interface Cookie {
+  name: string
+  value: string
+  domain: string
+  path: string
+  expires: number
+  httpOnly: boolean
+  secure: boolean
+  sameSite?: string
+}
+
+export interface ScrapeRequest {
+  url: string
+  maxTimeout?: number
+  skipHttp?: boolean
+  maxTier?: 1 | 2 | 3 | 4
+  sessionId?: string
+}
+
+export interface TierResult {
+  tier: 1 | 2 | 3 | 4
+  status: "success" | "blocked" | "needs-js" | "timeout" | "error" | "skipped"
+  durationMs: number
+  reason?: string
+}
+
+export interface ScrapeResult {
+  url: string
+  html: string
+  cookies: Cookie[]
+  userAgent: string
+  statusCode: number
+  tier: 1 | 2 | 3 | 4
+  sessionCached: boolean
+  timings: TierResult[]
+  totalMs: number
+  captchasSolved?: string[] // captcha types solved during this request (e.g. ['turnstile', 'recaptcha-v2'])
+}
+
+export interface SessionData {
+  cookies: Cookie[]
+  userAgent: string
+  savedAt: number
+}
+
+export interface PoolBrowser {
+  id: number
+  busy: boolean
+  lastDomain?: string
+  lastUsedAt?: number
+  restartCount: number
+  healthy: boolean
+}
+
+export interface PoolStats {
+  total: number
+  busy: number
+  available: number
+  restarts: number
+  avgRestarts: number
+}
+
+export interface FlareSolverrRequest {
+  cmd: "request.get" | "request.post"
+  url: string
+  maxTimeout?: number
+  postData?: string
+  headers?: Record<string, string>
+}
+
+export interface FlareSolverrResponse {
+  status: "ok" | "error"
+  message: string
+  startTimestamp: number
+  endTimestamp: number
+  version: "2.0.0"
+  solution: {
+    url: string
+    status: number
+    headers: Record<string, string>
+    response: string
+    cookies: Cookie[]
+    userAgent: string
+  }
+}
diff --git a/packages/types/tsconfig.json b/packages/types/tsconfig.json
new file mode 100644
index 0000000..49e05ce
--- /dev/null
+++ b/packages/types/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": ["src"]
+}