HTTP MCP: Only expose translate_texts tool, remove base64 tools

Claude.ai browser works better with the simple text-in/text-out approach.
Base64 tools remain available for stdio MCP (Claude Desktop).

Author: ewalid

src/rosetta/api/mcp_http.py

@@ -96,14 +96,13 @@ def create_error(id: int | str | None, code: int, message: str, data: Any = None
 
 # Tool handlers mapping
 TOOL_HANDLERS = {
-    "translate_excel": tool_translate_excel,
-    "get_excel_sheets": tool_get_sheets,
-    "count_translatable_cells": tool_count_cells,
-    "preview_cells": tool_preview_cells,
-    "estimate_translation_cost": tool_estimate_cost,
     "translate_texts": tool_translate_texts,
 }
 
+# For HTTP/browser MCP, only expose the simple translate_texts tool
+# The base64 tools are too complex for Claude.ai browser
+HTTP_TOOLS = [tool for tool in TOOLS if tool.name == "translate_texts"]
+
 
 async def handle_initialize(params: dict | None) -> dict:
     """Handle initialize request."""
@@ -122,7 +121,7 @@ async def handle_initialize(params: dict | None) -> dict:
 async def handle_tools_list(params: dict | None) -> dict:
     """Handle tools/list request."""
     tools = []
-    for tool in TOOLS:
+    for tool in HTTP_TOOLS:
         tools.append({
             "name": tool.name,
             "description": tool.description,