tool description最適化

1 files changed, 17 insertions, 3 deletions

diff --git a/src/mcp/tools/delete_message.c b/src/mcp/tools/delete_message.c
index 8b6e8f9..f90bbe3 100644
--- a/src/mcp/tools/delete_message.c
+++ b/src/mcp/tools/delete_message.c
@@ -43,8 +43,22 @@ call_delete_message(const mcpc_tool_t *tool, mcpc_ucbr_t *result)
 bool
 tiny_mcp_register_delete_message(mcpc_server_t *server)
 {
-  mcpc_tool_t *tool = tiny_mcp_tool_new("delete_message", "Delete a message", call_delete_message);
-  return tool && tiny_mcp_tool_add_property(tool, "message_id", "Message ULID", MCPC_U8STR, true)
-         && tiny_mcp_tool_add_property(tool, "session_id", "Optional session ID", MCPC_U8STR, false)
+  mcpc_tool_t *tool = tiny_mcp_tool_new(
+      "delete_message",
+      "Delete a persisted message so it is immediately excluded from reads and "
+      "searches. Physical removal occurs after rebuild_index compacts the store.",
+      call_delete_message);
+  return tool
+         && tiny_mcp_tool_add_property(tool,
+                                       "message_id",
+                                       "Canonical 26-character ULID of the message to delete.",
+                                       MCPC_U8STR,
+                                       true)
+         && tiny_mcp_tool_add_property(tool,
+                                       "session_id",
+                                       "Optional session guard; when provided, delete only if the "
+                                       "message belongs to this session.",
+                                       MCPC_U8STR,
+                                       false)
          && mcpc_server_add_tool(server, tool) == MCPC_EC_0;
 }