fix: restore Node 18 support for context7 mcp (#2762)

mturac · fahreddinozcan · web-flow · commit 8123b519edac · 2026-06-13T19:24:02.000+03:00
* fix: restore Node 18 support for context7 mcp

* chore: add changeset for Node 18 fix

---------

Co-authored-by: Fahreddin Özcan &lt;ozcanfahrettinn@gmail.com&gt;
diff --git a/.changeset/node18-context7-mcp.md b/.changeset/node18-context7-mcp.md
@@ -0,0 +1,5 @@
+---
+"@upstash/context7-mcp": patch
+---
+
+Restore Node 18 support by pinning undici to ^6.26.0 and commander to ^13.1.0, which dropped the Node 20+ engine requirements that caused a "File is not defined" crash on startup.
diff --git a/packages/mcp/package.json b/packages/mcp/package.json
@@ -48,10 +48,10 @@
     "@modelcontextprotocol/sdk": "^1.29.0",
     "@types/express": "^5.0.4",
     "@upstash/redis": "^1.38.0",
-    "commander": "^14.0.0",
+    "commander": "^13.1.0",
     "express": "^5.1.0",
     "jose": "^6.1.3",
-    "undici": "^7.27.0",
+    "undici": "^6.26.0",
     "zod": "^4.4.3"
   },
   "devDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"@upstash/context7-mcp": patch
 +---
++
 +Restore Node 18 support by pinning undici to ^6.26.0 and commander to ^13.1.0, which dropped the Node 20+ engine requirements that caused a "File is not defined" crash on startup.