diff --git a/package.json b/package.json
index 07c82205a..b75562912 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
   "files": [
     "dist",
     "bin",
-    "postinstall.mjs"
+    "postinstall.mjs",
+    "vendor/lsp-tools-mcp/dist"
   ],
   "exports": {
     ".": {
@@ -23,6 +24,7 @@
   },
   "scripts": {
     "build": "bun build src/index.ts --outdir dist --target bun --format esm --external @ast-grep/napi --external zod && bun run build:node-require-shim && tsc --emitDeclarationOnly && bun build src/cli/index.ts --outdir dist/cli --target bun --format esm --external @ast-grep/napi && bun run build:schema",
+    "build:lsp-tools-mcp": "npm ci --prefix vendor/lsp-tools-mcp && npm run build --prefix vendor/lsp-tools-mcp",
     "build:node-require-shim": "bun run script/patch-node-require-shim.ts",
     "build:all": "bun run build && bun run build:binaries",
     "build:binaries": "bun run script/build-binaries.ts",
@@ -31,7 +33,7 @@
     "clean": "rm -rf dist",
     "prepare": "bun run build",
     "postinstall": "node postinstall.mjs",
-    "prepublishOnly": "bun run clean && bun run build",
+    "prepublishOnly": "bun run clean && bun run build:lsp-tools-mcp && bun run build",
     "test:model-capabilities": "bun test src/shared/model-capability-aliases.test.ts src/shared/model-capability-guardrails.test.ts src/shared/model-capabilities.test.ts src/cli/doctor/checks/model-resolution.test.ts --bail",
     "typecheck": "tsgo --noEmit",
     "typecheck:script": "tsgo --noEmit -p script/tsconfig.json",