diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index f160b417..57f3abb9 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -58,6 +58,7 @@ jobs:
           ./script/publish.ts
         env:
           OPENCODE_BUMP: ${{ inputs.bump }}
+          OPENCODE_TAG: latest
           GITHUB_TOKEN: ${{ secrets.SST_GITHUB_TOKEN }}
           AUR_KEY: ${{ secrets.AUR_KEY }}
           NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}
diff --git a/.github/workflows/snapshot.yml b/.github/workflows/snapshot.yml
index 711af3d4..a331462e 100644
--- a/.github/workflows/snapshot.yml
+++ b/.github/workflows/snapshot.yml
@@ -30,7 +30,5 @@ jobs:
         run: |
           ./packages/opencode/script/publish.ts
         env:
-          OPENCODE_SNAPSHOT: true
-          OPENCODE_TAG: ${{ github.ref_name }}
           GITHUB_TOKEN: ${{ secrets.SST_GITHUB_TOKEN }}
           NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}
diff --git a/bun.lock b/bun.lock
index f76157ca..939802a8 100644
--- a/bun.lock
+++ b/bun.lock
@@ -4,6 +4,7 @@
     "": {
       "name": "opencode",
       "dependencies": {
+        "@opencode-ai/script": "workspace:*",
         "@opencode-ai/sdk": "workspace:*",
       },
       "devDependencies": {
@@ -209,6 +210,7 @@
         "@ai-sdk/amazon-bedrock": "2.2.10",
         "@ai-sdk/google-vertex": "3.0.16",
         "@octokit/webhooks-types": "7.6.1",
+        "@opencode-ai/script": "workspace:*",
         "@parcel/watcher-win32-x64": "2.5.1",
         "@standard-schema/spec": "1.0.0",
         "@tsconfig/bun": "catalog:",
@@ -233,6 +235,12 @@
         "typescript": "catalog:",
       },
     },
+    "packages/script": {
+      "name": "@opencode-ai/script",
+      "devDependencies": {
+        "@types/bun": "catalog:",
+      },
+    },
     "packages/sdk/js": {
       "name": "@opencode-ai/sdk",
       "version": "0.15.2",
@@ -830,6 +838,8 @@
 
     "@opencode-ai/plugin": ["@opencode-ai/plugin@workspace:packages/plugin"],
 
+    "@opencode-ai/script": ["@opencode-ai/script@workspace:packages/script"],
+
     "@opencode-ai/sdk": ["@opencode-ai/sdk@workspace:packages/sdk/js"],
 
     "@opencode-ai/slack": ["@opencode-ai/slack@workspace:packages/slack"],
diff --git a/package.json b/package.json
index 3da69035..14eec3cf 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,8 @@
     "turbo": "2.5.6"
   },
   "dependencies": {
-    "@opencode-ai/sdk": "workspace:*"
+    "@opencode-ai/sdk": "workspace:*",
+    "@opencode-ai/script": "workspace:*"
   },
   "repository": {
     "type": "git",
diff --git a/packages/opencode/package.json b/packages/opencode/package.json
index 16f643ed..a5dc4d04 100644
--- a/packages/opencode/package.json
+++ b/packages/opencode/package.json
@@ -28,7 +28,8 @@
     "@types/yargs": "17.0.33",
     "typescript": "catalog:",
     "vscode-languageserver-types": "3.17.5",
-    "zod-to-json-schema": "3.24.5"
+    "zod-to-json-schema": "3.24.5",
+    "@opencode-ai/script": "workspace:*"
   },
   "dependencies": {
     "@clack/prompts": "1.0.0-alpha.1",
diff --git a/packages/opencode/script/build.ts b/packages/opencode/script/build.ts
index 4c4bc782..860147f0 100755
--- a/packages/opencode/script/build.ts
+++ b/packages/opencode/script/build.ts
@@ -5,6 +5,7 @@ process.chdir(dir)
 import { $ } from "bun"
 
 import pkg from "../package.json"
+import { Script } from "@opencode-ai/script"
 
 const GOARCH: Record<string, string> = {
   arm64: "arm64",
@@ -25,12 +26,11 @@ const targets = [
 await $`rm -rf dist`
 
 const binaries: Record<string, string> = {}
-const version = process.env["OPENCODE_VERSION"] ?? "dev"
 for (const [os, arch] of targets) {
   console.log(`building ${os}-${arch}`)
   const name = `${pkg.name}-${os}-${arch}`
   await $`mkdir -p dist/${name}/bin`
-  await $`CGO_ENABLED=0 GOOS=${os} GOARCH=${GOARCH[arch]} go build -ldflags="-s -w -X main.Version=${version}" -o ../opencode/dist/${name}/bin/tui ../tui/cmd/opencode/main.go`
+  await $`CGO_ENABLED=0 GOOS=${os} GOARCH=${GOARCH[arch]} go build -ldflags="-s -w -X main.Version=${Script.version}" -o ../opencode/dist/${name}/bin/tui ../tui/cmd/opencode/main.go`
     .cwd("../tui")
     .quiet()
 
@@ -43,12 +43,12 @@ for (const [os, arch] of targets) {
     compile: {
       target: `bun-${os}-${arch}` as any,
       outfile: `dist/${name}/bin/opencode`,
-      execArgv: [`--user-agent=opencode/${version}`, `--env-file=""`, `--`],
+      execArgv: [`--user-agent=opencode/${Script.version}`, `--env-file=""`, `--`],
       windows: {},
     },
     entrypoints: ["./src/index.ts"],
     define: {
-      OPENCODE_VERSION: `'${version}'`,
+      OPENCODE_VERSION: `'${Script.version}'`,
       OPENCODE_TUI_PATH: `'../../../dist/${name}/bin/tui'`,
     },
   })
@@ -57,7 +57,7 @@ for (const [os, arch] of targets) {
     JSON.stringify(
       {
         name,
-        version,
+        version: Script.version,
         os: [os === "windows" ? "win32" : os],
         cpu: [arch],
       },
@@ -65,7 +65,7 @@ for (const [os, arch] of targets) {
       2,
     ),
   )
-  binaries[name] = version
+  binaries[name] = Script.version
 }
 
 export { binaries }
diff --git a/packages/opencode/script/publish.ts b/packages/opencode/script/publish.ts
index 948dcf25..e5895635 100755
--- a/packages/opencode/script/publish.ts
+++ b/packages/opencode/script/publish.ts
@@ -1,20 +1,10 @@
 #!/usr/bin/env bun
+import { $ } from "bun"
+import pkg from "../package.json"
+import { Script } from "@opencode-ai/script"
+
 const dir = new URL("..", import.meta.url).pathname
 process.chdir(dir)
-import { $ } from "bun"
-
-import pkg from "../package.json"
-
-const snapshot = process.env["OPENCODE_SNAPSHOT"] === "true"
-let version = process.env["OPENCODE_VERSION"]
-const tag = process.env["OPENCODE_TAG"] ?? (snapshot ? "snapshot" : "latest")
-if (!version && snapshot) {
-  version = `0.0.0-${tag}-${new Date().toISOString().slice(0, 16).replace(/[-:T]/g, "")}`
-  process.env["OPENCODE_VERSION"] = version
-}
-if (!version) throw new Error("OPENCODE_VERSION is required")
-
-console.log(`publishing ${version}`)
 
 const { binaries } = await import("./build.ts")
 {
@@ -38,7 +28,7 @@ await Bun.file(`./dist/${pkg.name}/package.json`).write(
         preinstall: "node ./preinstall.mjs",
         postinstall: "node ./postinstall.mjs",
       },
-      version,
+      version: Script.version,
       optionalDependencies: binaries,
     },
     null,
@@ -46,11 +36,11 @@ await Bun.file(`./dist/${pkg.name}/package.json`).write(
   ),
 )
 for (const [name] of Object.entries(binaries)) {
-  await $`cd dist/${name} && chmod 777 -R . && bun publish --access public --tag ${tag}`
+  await $`cd dist/${name} && chmod 777 -R . && bun publish --access public --tag ${Script.tag}`
 }
-await $`cd ./dist/${pkg.name} && bun publish --access public --tag ${tag}`
+await $`cd ./dist/${pkg.name} && bun publish --access public --tag ${Script.tag}`
 
-if (!snapshot) {
+if (!Script.preview) {
   for (const key of Object.keys(binaries)) {
     await $`cd dist/${key}/bin && zip -r ../../${key}.zip *`
   }
@@ -67,7 +57,7 @@ if (!snapshot) {
     "# Maintainer: adam",
     "",
     "pkgname='opencode-bin'",
-    `pkgver=${version.split("-")[0]}`,
+    `pkgver=${Script.version.split("-")[0]}`,
     "options=('!debug' '!strip')",
     "pkgrel=1",
     "pkgdesc='The AI coding agent built for the terminal.'",
@@ -78,10 +68,10 @@ if (!snapshot) {
     "conflicts=('opencode')",
     "depends=('fzf' 'ripgrep')",
     "",
-    `source_aarch64=("\${pkgname}_\${pkgver}_aarch64.zip::https://github.com/sst/opencode/releases/download/v${version}/opencode-linux-arm64.zip")`,
+    `source_aarch64=("\${pkgname}_\${pkgver}_aarch64.zip::https://github.com/sst/opencode/releases/download/v${Script.version}/opencode-linux-arm64.zip")`,
     `sha256sums_aarch64=('${arm64Sha}')`,
     "",
-    `source_x86_64=("\${pkgname}_\${pkgver}_x86_64.zip::https://github.com/sst/opencode/releases/download/v${version}/opencode-linux-x64.zip")`,
+    `source_x86_64=("\${pkgname}_\${pkgver}_x86_64.zip::https://github.com/sst/opencode/releases/download/v${Script.version}/opencode-linux-x64.zip")`,
     `sha256sums_x86_64=('${x64Sha}')`,
     "",
     "package() {",
@@ -96,7 +86,7 @@ if (!snapshot) {
     "# Maintainer: adam",
     "",
     "pkgname='opencode'",
-    `pkgver=${version.split("-")[0]}`,
+    `pkgver=${Script.version.split("-")[0]}`,
     "options=('!debug' '!strip')",
     "pkgrel=1",
     "pkgdesc='The AI coding agent built for the terminal.'",
@@ -108,7 +98,7 @@ if (!snapshot) {
     "depends=('fzf' 'ripgrep')",
     "makedepends=('git' 'bun-bin' 'go')",
     "",
-    `source=("opencode-\${pkgver}.tar.gz::https://github.com/sst/opencode/archive/v${version}.tar.gz")`,
+    `source=("opencode-\${pkgver}.tar.gz::https://github.com/sst/opencode/archive/v${Script.version}.tar.gz")`,
     `sha256sums=('SKIP')`,
     "",
     "build() {",
@@ -139,7 +129,7 @@ if (!snapshot) {
         await Bun.file(`./dist/aur-${pkg}/PKGBUILD`).write(pkgbuild)
         await $`cd ./dist/aur-${pkg} && makepkg --printsrcinfo > .SRCINFO`
         await $`cd ./dist/aur-${pkg} && git add PKGBUILD .SRCINFO`
-        await $`cd ./dist/aur-${pkg} && git commit -m "Update to v${version}"`
+        await $`cd ./dist/aur-${pkg} && git commit -m "Update to v${Script.version}"`
         await $`cd ./dist/aur-${pkg} && git push`
         break
       } catch (e) {
@@ -157,11 +147,11 @@ if (!snapshot) {
     "class Opencode < Formula",
     `  desc "The AI coding agent built for the terminal."`,
     `  homepage "https://github.com/sst/opencode"`,
-    `  version "${version.split("-")[0]}"`,
+    `  version "${Script.version.split("-")[0]}"`,
     "",
     "  on_macos do",
     "    if Hardware::CPU.intel?",
-    `      url "https://github.com/sst/opencode/releases/download/v${version}/opencode-darwin-x64.zip"`,
+    `      url "https://github.com/sst/opencode/releases/download/v${Script.version}/opencode-darwin-x64.zip"`,
     `      sha256 "${macX64Sha}"`,
     "",
     "      def install",
@@ -169,7 +159,7 @@ if (!snapshot) {
     "      end",
     "    end",
     "    if Hardware::CPU.arm?",
-    `      url "https://github.com/sst/opencode/releases/download/v${version}/opencode-darwin-arm64.zip"`,
+    `      url "https://github.com/sst/opencode/releases/download/v${Script.version}/opencode-darwin-arm64.zip"`,
     `      sha256 "${macArm64Sha}"`,
     "",
     "      def install",
@@ -180,14 +170,14 @@ if (!snapshot) {
     "",
     "  on_linux do",
     "    if Hardware::CPU.intel? and Hardware::CPU.is_64_bit?",
-    `      url "https://github.com/sst/opencode/releases/download/v${version}/opencode-linux-x64.zip"`,
+    `      url "https://github.com/sst/opencode/releases/download/v${Script.version}/opencode-linux-x64.zip"`,
     `      sha256 "${x64Sha}"`,
     "      def install",
     '        bin.install "opencode"',
     "      end",
     "    end",
     "    if Hardware::CPU.arm? and Hardware::CPU.is_64_bit?",
-    `      url "https://github.com/sst/opencode/releases/download/v${version}/opencode-linux-arm64.zip"`,
+    `      url "https://github.com/sst/opencode/releases/download/v${Script.version}/opencode-linux-arm64.zip"`,
     `      sha256 "${arm64Sha}"`,
     "      def install",
     '        bin.install "opencode"',
@@ -203,6 +193,6 @@ if (!snapshot) {
   await $`git clone https://${process.env["GITHUB_TOKEN"]}@github.com/sst/homebrew-tap.git ./dist/homebrew-tap`
   await Bun.file("./dist/homebrew-tap/opencode.rb").write(homebrewFormula)
   await $`cd ./dist/homebrew-tap && git add opencode.rb`
-  await $`cd ./dist/homebrew-tap && git commit -m "Update to v${version}"`
+  await $`cd ./dist/homebrew-tap && git commit -m "Update to v${Script.version}"`
   await $`cd ./dist/homebrew-tap && git push`
 }
diff --git a/packages/script/package.json b/packages/script/package.json
new file mode 100644
index 00000000..2791305f
--- /dev/null
+++ b/packages/script/package.json
@@ -0,0 +1,10 @@
+{
+  "$schema": "https://json.schemastore.org/package",
+  "name": "@opencode-ai/script",
+  "devDependencies": {
+    "@types/bun": "catalog:"
+  },
+  "exports": {
+    ".": "./src/index.ts"
+  }
+}
diff --git a/packages/script/src/index.ts b/packages/script/src/index.ts
new file mode 100644
index 00000000..4237a76a
--- /dev/null
+++ b/packages/script/src/index.ts
@@ -0,0 +1,35 @@
+import { $ } from "bun"
+
+if (process.versions.bun !== "1.3.0") {
+  throw new Error("This script requires bun@1.3.0")
+}
+
+const TAG = process.env["OPENCODE_TAG"] ?? (await $`git branch --show-current`.text().then((x) => x.trim()))
+const IS_PREVIEW = TAG !== "latest"
+const VERSION = await (async () => {
+  if (IS_PREVIEW) return `0.0.0-${new Date().toISOString().slice(0, 16).replace(/[-:T]/g, "")}`
+  const version = await fetch("https://registry.npmjs.org/opencode-ai/latest")
+    .then((res) => {
+      if (!res.ok) throw new Error(res.statusText)
+      return res.json()
+    })
+    .then((data: any) => data.version)
+  const [major, minor, patch] = version.split(".").map((x: string) => Number(x) || 0)
+  const t = process.env["OPENCODE_BUMP"]?.toLowerCase()
+  if (t === "major") return `${major + 1}.0.0`
+  if (t === "minor") return `${major}.${minor + 1}.0`
+  return `${major}.${minor}.${patch + 1}`
+})()
+
+export const Script = {
+  get tag() {
+    return TAG
+  },
+  get version() {
+    return VERSION
+  },
+  get preview() {
+    return IS_PREVIEW
+  },
+}
+console.log(`opencode script`, JSON.stringify(Script, null, 2))
diff --git a/packages/script/tsconfig.json b/packages/script/tsconfig.json
new file mode 100644
index 00000000..00ef1254
--- /dev/null
+++ b/packages/script/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "@tsconfig/bun/tsconfig.json",
+  "compilerOptions": {
+    "lib": ["ESNext", "DOM", "DOM.Iterable"],
+    "noUncheckedIndexedAccess": false
+  }
+}
diff --git a/script/publish.ts b/script/publish.ts
index 05d6df22..a4296ec4 100755
--- a/script/publish.ts
+++ b/script/publish.ts
@@ -2,34 +2,13 @@
 
 import { $ } from "bun"
 import { createOpencode } from "@opencode-ai/sdk"
-if (process.versions.bun !== "1.3.0") {
-  throw new Error("This script requires bun@1.3.0")
-}
+import { Script } from "@opencode-ai/script"
 
 const notes = [] as string[]
 
 console.log("=== publishing ===\n")
 
-const snapshot = process.env["OPENCODE_SNAPSHOT"] === "true"
-const version = await (async () => {
-  if (snapshot) return `0.0.0-${new Date().toISOString().slice(0, 16).replace(/[-:T]/g, "")}`
-  if (process.env["OPENCODE_VERSION"]) return process.env["OPENCODE_VERSION"]
-  const npmVersion = await fetch("https://registry.npmjs.org/opencode-ai/latest")
-    .then((res) => {
-      if (!res.ok) throw new Error(res.statusText)
-      return res.json()
-    })
-    .then((data: any) => data.version)
-  const [major, minor, patch] = npmVersion.split(".").map((x: string) => Number(x) || 0)
-  const t = process.env["OPENCODE_BUMP"]?.toLowerCase()
-  if (t === "major") return `${major + 1}.0.0`
-  if (t === "minor") return `${major}.${minor + 1}.0`
-  return `${major}.${minor}.${patch + 1}`
-})()
-process.env["OPENCODE_VERSION"] = version
-console.log("version:", version)
-
-if (!snapshot) {
+if (!Script.preview) {
   const previous = await fetch("https://registry.npmjs.org/opencode-ai/latest")
     .then((res) => {
       if (!res.ok) throw new Error(res.statusText)
@@ -98,7 +77,7 @@ const pkgjsons = await Array.fromAsync(
 const tree = await $`git add . && git write-tree`.text().then((x) => x.trim())
 for (const file of pkgjsons) {
   let pkg = await Bun.file(file).text()
-  pkg = pkg.replaceAll(/"version": "[^"]+"/g, `"version": "${version}"`)
+  pkg = pkg.replaceAll(/"version": "[^"]+"/g, `"version": "${Script.version}"`)
   console.log("updated:", file)
   await Bun.file(file).write(pkg)
 }
@@ -116,22 +95,22 @@ await import(`../packages/plugin/script/publish.ts`)
 const dir = new URL("..", import.meta.url).pathname
 process.chdir(dir)
 
-if (!snapshot) {
-  await $`git commit -am "release: v${version}"`
-  await $`git tag v${version}`
+if (!Script.preview) {
+  await $`git commit -am "release: v${Script.version}"`
+  await $`git tag v${Script.version}`
   await $`git fetch origin`
   await $`git cherry-pick HEAD..origin/dev`.nothrow()
   await $`git push origin HEAD --tags --no-verify --force`
 
-  await $`gh release create v${version} --title "v${version}" --notes ${notes.join("\n") ?? "No notable changes"} ./packages/opencode/dist/*.zip`
+  await $`gh release create v${Script.version} --title "v${Script.version}" --notes ${notes.join("\n") ?? "No notable changes"} ./packages/opencode/dist/*.zip`
 }
-if (snapshot) {
-  await $`git checkout -b snapshot-${version}`
-  await $`git commit --allow-empty -m "Snapshot release v${version}"`
-  await $`git tag v${version}`
-  await $`git push origin v${version} --no-verify`
+if (Script.preview) {
+  await $`git checkout -b snapshot-${Script.version}`
+  await $`git commit --allow-empty -m "Snapshot release v${Script.version}"`
+  await $`git tag v${Script.version}`
+  await $`git push origin v${Script.version} --no-verify`
   await $`git checkout dev`
-  await $`git branch -D snapshot-${version}`
+  await $`git branch -D snapshot-${Script.version}`
   for (const file of pkgjsons) {
     await $`git checkout ${tree} ${file}`
   }