From 4456188af07cb53d3dfb5741c76411c4fe562ec6 Mon Sep 17 00:00:00 2001
From: Guillaume Olivieri <31344086+Odysseus-deep@users.noreply.github.com>
Date: Tue, 6 May 2025 12:39:36 +0200
Subject: [PATCH] fix: send startup logs to stderr to keep stdout JSON-only
 (#7)

---
 .DS_Store    | Bin 0 -> 6148 bytes
 .gitignore   |   4 +++-
 src/index.ts |  12 ++++++++----
 3 files changed, 11 insertions(+), 5 deletions(-)
 create mode 100644 .DS_Store

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..50022f8dbafeb83ddffb390b0b4a900e567a9359
GIT binary patch
literal 6148
zcmeHK-AcnS6i&A3GKSC#MK1&14&0Q1!<$m)3s}($mD$>%#oCN^vlnB~TYVwl#OLvx
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z{4)l4W9Sb(Sd=|mSC)rot%UXf4F&T`R6syqx&(lM`^bR~nz%$A@?49hK^z7Bx*U)$
N0-6x&h=E^V;2Sa`Nml>>

literal 0
HcmV?d00001

diff --git a/.gitignore b/.gitignore
index 7f106e9..8dd9545 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 node_modules/
 build/
 *.log
-.env*
\ No newline at end of file
+.env*
+# Do not push Morgan prompts
+src/Morgan/prompts/
diff --git a/src/index.ts b/src/index.ts
index 49bb095..57033e1 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -117,8 +117,8 @@ for (const definition of toolDefinitions) {
   });
 
   indexes.set(definition.toolName!, index);
-  console.log(
-    `Created index for tool ${definition.toolName}: ${definition.indexName} - ${definition.description}`,
+  process.stderr.write(
+    `Created index for tool ${definition.toolName}: ${definition.indexName} - ${definition.description}\n`,
   );
 }
 
@@ -185,9 +185,13 @@ server.setRequestHandler(CallToolRequestSchema, async (request) => {
  * This allows the server to communicate via standard input/output streams.
  */
 async function main() {
-  console.log(`Starting MCP server with ${toolDefinitions.length} tools:`);
+  process.stderr.write(
+    `Starting MCP server with ${toolDefinitions.length} tools:\n`,
+  );
   toolDefinitions.forEach((def) => {
-    console.log(`- ${def.toolName}: ${def.indexName} - ${def.description}`);
+    process.stderr.write(
+      `- ${def.toolName}: ${def.indexName} - ${def.description}\n`,
+    );
   });
 
   const transport = new StdioServerTransport();