diff --git a/.changeset/fresh-mcp-source-files.md b/.changeset/fresh-mcp-source-files.md
new file mode 100644
index 00000000..d925d05e
--- /dev/null
+++ b/.changeset/fresh-mcp-source-files.md
@@ -0,0 +1,14 @@
+---
+"@transcend-io/mcp": patch
+"@transcend-io/mcp-server-admin": patch
+"@transcend-io/mcp-server-assessment": patch
+"@transcend-io/mcp-server-base": patch
+"@transcend-io/mcp-server-consent": patch
+"@transcend-io/mcp-server-discovery": patch
+"@transcend-io/mcp-server-dsr": patch
+"@transcend-io/mcp-server-inventory": patch
+"@transcend-io/mcp-server-preferences": patch
+"@transcend-io/mcp-server-workflows": patch
+---
+
+Include source files in MCP package tarballs so the `@transcend-io/source` export condition resolves.
diff --git a/packages/mcp/mcp-server-admin/package.json b/packages/mcp/mcp-server-admin/package.json
index 6804ba7e..2bd78fe1 100644
--- a/packages/mcp/mcp-server-admin/package.json
+++ b/packages/mcp/mcp-server-admin/package.json
@@ -14,7 +14,8 @@
     "transcend-mcp-admin": "./dist/cli.mjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,
diff --git a/packages/mcp/mcp-server-assessment/package.json b/packages/mcp/mcp-server-assessment/package.json
index 513649f4..aa48a6eb 100644
--- a/packages/mcp/mcp-server-assessment/package.json
+++ b/packages/mcp/mcp-server-assessment/package.json
@@ -14,7 +14,8 @@
     "transcend-mcp-assessment": "./dist/cli.mjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,
diff --git a/packages/mcp/mcp-server-base/package.json b/packages/mcp/mcp-server-base/package.json
index 46f65e0c..b3755608 100644
--- a/packages/mcp/mcp-server-base/package.json
+++ b/packages/mcp/mcp-server-base/package.json
@@ -11,7 +11,8 @@
     "directory": "packages/mcp/mcp-server-base"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,
diff --git a/packages/mcp/mcp-server-consent/package.json b/packages/mcp/mcp-server-consent/package.json
index 189cdd55..12918700 100644
--- a/packages/mcp/mcp-server-consent/package.json
+++ b/packages/mcp/mcp-server-consent/package.json
@@ -14,7 +14,8 @@
     "transcend-mcp-consent": "./dist/cli.mjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,
diff --git a/packages/mcp/mcp-server-discovery/package.json b/packages/mcp/mcp-server-discovery/package.json
index 380b7fcb..e97b0410 100644
--- a/packages/mcp/mcp-server-discovery/package.json
+++ b/packages/mcp/mcp-server-discovery/package.json
@@ -14,7 +14,8 @@
     "transcend-mcp-discovery": "./dist/cli.mjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,
diff --git a/packages/mcp/mcp-server-dsr/package.json b/packages/mcp/mcp-server-dsr/package.json
index 66de0413..494d4e99 100644
--- a/packages/mcp/mcp-server-dsr/package.json
+++ b/packages/mcp/mcp-server-dsr/package.json
@@ -14,7 +14,8 @@
     "transcend-mcp-dsr": "./dist/cli.mjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,
diff --git a/packages/mcp/mcp-server-inventory/package.json b/packages/mcp/mcp-server-inventory/package.json
index 576044a9..a8edd8dd 100644
--- a/packages/mcp/mcp-server-inventory/package.json
+++ b/packages/mcp/mcp-server-inventory/package.json
@@ -14,7 +14,8 @@
     "transcend-mcp-inventory": "./dist/cli.mjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,
diff --git a/packages/mcp/mcp-server-preferences/package.json b/packages/mcp/mcp-server-preferences/package.json
index 8692f6f3..d62ae882 100644
--- a/packages/mcp/mcp-server-preferences/package.json
+++ b/packages/mcp/mcp-server-preferences/package.json
@@ -14,7 +14,8 @@
     "transcend-mcp-preferences": "./dist/cli.mjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,
diff --git a/packages/mcp/mcp-server-workflows/package.json b/packages/mcp/mcp-server-workflows/package.json
index e7eacf24..cb09f819 100644
--- a/packages/mcp/mcp-server-workflows/package.json
+++ b/packages/mcp/mcp-server-workflows/package.json
@@ -14,7 +14,8 @@
     "transcend-mcp-workflows": "./dist/cli.mjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,
diff --git a/packages/mcp/mcp/package.json b/packages/mcp/mcp/package.json
index 522733ad..2bf01b60 100644
--- a/packages/mcp/mcp/package.json
+++ b/packages/mcp/mcp/package.json
@@ -14,7 +14,8 @@
     "transcend-mcp": "./dist/cli.mjs"
   },
   "files": [
-    "dist"
+    "dist",
+    "src"
   ],
   "type": "module",
   "sideEffects": false,