diff --git a/packages/app/src/components/sidebar-workspace-list.tsx b/packages/app/src/components/sidebar-workspace-list.tsx
index 22fc777e4..bc8b2bbaa 100644
--- a/packages/app/src/components/sidebar-workspace-list.tsx
+++ b/packages/app/src/components/sidebar-workspace-list.tsx
@@ -13,7 +13,7 @@ import {
 } from "react-native";
 import * as Haptics from "expo-haptics";
 import { useMutation, useQueries, useQueryClient } from "@tanstack/react-query";
-import { slugify, validateBranchSlug, MAX_SLUG_LENGTH } from "@getpaseo/server/utils/branch-slug";
+import { slugify, validateBranchSlug, MAX_SLUG_LENGTH } from "@getpaseo/protocol/branch-slug";
 import { AdaptiveRenameModal } from "@/components/rename-modal";
 import { invalidateCheckoutGitQueriesForClient } from "@/git/query-keys";
 import {
diff --git a/packages/server/src/utils/branch-slug.test.ts b/packages/protocol/src/branch-slug.test.ts
similarity index 75%
rename from packages/server/src/utils/branch-slug.test.ts
rename to packages/protocol/src/branch-slug.test.ts
index 343bbd16b..2130149f0 100644
--- a/packages/server/src/utils/branch-slug.test.ts
+++ b/packages/protocol/src/branch-slug.test.ts
@@ -40,21 +40,6 @@ describe("branch slug utilities", () => {
     });
   });
 
-  it("is exported through the package subpath", () => {
-    const currentDir = dirname(fileURLToPath(import.meta.url));
-    const packageJson = JSON.parse(
-      readFileSync(join(currentDir, "..", "..", "package.json"), "utf8"),
-    ) as {
-      exports?: Record<string, { types?: string; source?: string; default?: string }>;
-    };
-
-    expect(packageJson.exports?.["./utils/branch-slug"]).toEqual({
-      types: "./dist/server/utils/branch-slug.d.ts",
-      source: "./src/utils/branch-slug.ts",
-      default: "./dist/server/utils/branch-slug.js",
-    });
-  });
-
   it("does not import server-only modules", () => {
     const currentDir = dirname(fileURLToPath(import.meta.url));
     const source = readFileSync(join(currentDir, "branch-slug.ts"), "utf8");
diff --git a/packages/server/src/utils/branch-slug.ts b/packages/protocol/src/branch-slug.ts
similarity index 100%
rename from packages/server/src/utils/branch-slug.ts
rename to packages/protocol/src/branch-slug.ts
diff --git a/packages/server/package.json b/packages/server/package.json
index 63ede7667..cac4406be 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -22,11 +22,6 @@
       "types": "./dist/server/utils/tool-call-parsers.d.ts",
       "source": "./src/utils/tool-call-parsers.ts",
       "default": "./dist/server/utils/tool-call-parsers.js"
-    },
-    "./utils/branch-slug": {
-      "types": "./dist/server/utils/branch-slug.d.ts",
-      "source": "./src/utils/branch-slug.ts",
-      "default": "./dist/server/utils/branch-slug.js"
     }
   },
   "publishConfig": {
diff --git a/packages/server/src/server/session.ts b/packages/server/src/server/session.ts
index cd7c42ec4..f030a23f8 100644
--- a/packages/server/src/server/session.ts
+++ b/packages/server/src/server/session.ts
@@ -199,7 +199,7 @@ import {
   createPullRequest,
   renameCurrentBranch,
 } from "../utils/checkout-git.js";
-import { validateBranchSlug } from "../utils/branch-slug.js";
+import { validateBranchSlug } from "@getpaseo/protocol/branch-slug";
 import { getProjectIcon } from "../utils/project-icon.js";
 import { expandTilde } from "../utils/path.js";
 import { searchHomeDirectories, searchWorkspaceEntries } from "../utils/directory-suggestions.js";
diff --git a/packages/server/src/utils/worktree.ts b/packages/server/src/utils/worktree.ts
index 418d25879..eb2b49c87 100644
--- a/packages/server/src/utils/worktree.ts
+++ b/packages/server/src/utils/worktree.ts
@@ -30,9 +30,9 @@ import { spawnProcess } from "./spawn.js";
 import { resolvePaseoHome } from "../server/paseo-home.js";
 import { createExternalProcessEnv } from "../server/paseo-env.js";
 import { parseGitRevParsePath, resolveGitRevParsePath } from "./git-rev-parse-path.js";
-import { validateBranchSlug } from "./branch-slug.js";
+import { validateBranchSlug } from "@getpaseo/protocol/branch-slug";
 
-export { slugify, validateBranchSlug } from "./branch-slug.js";
+export { slugify, validateBranchSlug } from "@getpaseo/protocol/branch-slug";
 
 const execFileAsync = promisify(execFile);
 const READ_ONLY_GIT_ENV = {