diff --git a/src/meta_plugin.rs b/src/meta_plugin.rs
index 2bc5624..40015b2 100644
--- a/src/meta_plugin.rs
+++ b/src/meta_plugin.rs
@@ -1,7 +1,5 @@
-use anyhow::Result;
 use log::debug;
 use serde::{Deserialize, Serialize};
-use std::collections::HashMap;
 
 pub mod program;
 pub mod digest;
@@ -82,6 +80,10 @@ impl BaseMetaPlugin {
 }
 
 impl MetaPlugin for BaseMetaPlugin {
+    fn meta_name(&self) -> String {
+        self.meta_name.clone()
+    }
+    
     fn outputs(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {
         &self.outputs
     }
@@ -194,7 +196,8 @@ pub trait MetaPlugin {
     
     // Access to outputs mapping with default implementation
     fn outputs(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {
-        &std::collections::HashMap::new()
+        static EMPTY: std::collections::HashMap<String, serde_yaml::Value> = std::collections::HashMap::new();
+        &EMPTY
     }
     
     fn outputs_mut(&mut self) -> &mut std::collections::HashMap<String, serde_yaml::Value> {
@@ -203,7 +206,8 @@ pub trait MetaPlugin {
     
     // Access to options mapping with default implementation
     fn options(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {
-        &std::collections::HashMap::new()
+        static EMPTY: std::collections::HashMap<String, serde_yaml::Value> = std::collections::HashMap::new();
+        &EMPTY
     }
     
     fn options_mut(&mut self) -> &mut std::collections::HashMap<String, serde_yaml::Value> {
diff --git a/src/meta_plugin/binary.rs b/src/meta_plugin/binary.rs
index f20d486..427645f 100644
--- a/src/meta_plugin/binary.rs
+++ b/src/meta_plugin/binary.rs
@@ -1,9 +1,6 @@
-use anyhow::Result;
-use rusqlite::Connection;
 use crate::common::is_binary::is_binary;
 use crate::common::PIPESIZE;
-use crate::meta_plugin::{MetaPlugin, MetaPluginResponse, MetaData};
-use std::collections::HashMap;
+use crate::meta_plugin::{MetaPlugin, MetaPluginResponse};
 
 #[derive(Debug, Clone, Default)]
 pub struct BinaryMetaPlugin {
@@ -66,7 +63,7 @@ impl MetaPlugin for BinaryMetaPlugin {
             if let Some(meta_data) = crate::meta_plugin::process_metadata_outputs(
                 "binary", 
                 value, 
-                &self.outputs
+                self.base.outputs()
             ) {
                 metadata.push(meta_data);
             }
@@ -89,7 +86,7 @@ impl MetaPlugin for BinaryMetaPlugin {
         if let Some(meta_data) = crate::meta_plugin::process_metadata_outputs(
             "binary", 
             value, 
-            &self.outputs
+            self.base.outputs()
         ) {
             metadata.push(meta_data);
         }
diff --git a/src/meta_plugin/digest.rs b/src/meta_plugin/digest.rs
index a0ca016..287bc02 100644
--- a/src/meta_plugin/digest.rs
+++ b/src/meta_plugin/digest.rs
@@ -1,7 +1,5 @@
-use anyhow::Result;
 use sha2::{Digest, Sha256};
 use std::time::Instant;
-use rusqlite::Connection;
 
 use crate::meta_plugin::MetaPlugin;
 
diff --git a/src/meta_plugin/magic.rs b/src/meta_plugin/magic.rs
index 90b5ad7..bf97574 100644
--- a/src/meta_plugin/magic.rs
+++ b/src/meta_plugin/magic.rs
@@ -1,6 +1,4 @@
-use anyhow::Result;
 use magic::{Cookie, CookieFlags};
-use rusqlite::Connection;
 use std::io;
 
 use crate::common::PIPESIZE;
@@ -128,14 +126,14 @@ impl MetaPlugin for MagicFileMetaPlugin {
         // Initialize the magic cookie once
         let cookie = match Cookie::open(Default::default()) {
             Ok(cookie) => cookie,
-            Err(e) => {
+            Err(_e) => {
                 return crate::meta_plugin::MetaPluginResponse {
                     metadata: Vec::new(),
                     is_finalized: true,
                 };
             }
         };
-        if let Err(e) = cookie.load(&[] as &[&str]) {
+        if let Err(_e) = cookie.load(&[] as &[&str]) {
             return crate::meta_plugin::MetaPluginResponse {
                 metadata: Vec::new(),
                 is_finalized: true,
@@ -173,9 +171,10 @@ impl MetaPlugin for MagicFileMetaPlugin {
             }
         }
 
+        let is_finalized = !metadata.is_empty();
         crate::meta_plugin::MetaPluginResponse {
             metadata,
-            is_finalized: !metadata.is_empty(),
+            is_finalized,
         }
     }
 
diff --git a/src/meta_plugin/program.rs b/src/meta_plugin/program.rs
index df8cb00..41d3787 100644
--- a/src/meta_plugin/program.rs
+++ b/src/meta_plugin/program.rs
@@ -1,10 +1,9 @@
-use anyhow::{Context, Result, anyhow};
 use log::*;
 use std::io::Write;
 use std::process::{Command, Stdio, Child};
 use which::which;
 
-use crate::meta_plugin::{MetaPlugin, MetaData};
+use crate::meta_plugin::{MetaPlugin, MetaPluginResponse};
 
 pub struct MetaPluginProgram {
     pub program: String,
diff --git a/src/meta_plugin/system.rs b/src/meta_plugin/system.rs
index 00568e7..1b71023 100644
--- a/src/meta_plugin/system.rs
+++ b/src/meta_plugin/system.rs
@@ -1,10 +1,8 @@
-use anyhow::Result;
 use gethostname::gethostname;
 use std::env;
 use std::process;
 use uzers::{get_current_uid, get_current_gid, get_user_by_uid, get_group_by_gid};
-use crate::meta_plugin::{MetaPlugin, MetaPluginResponse, MetaData};
-use std::collections::HashMap;
+use crate::meta_plugin::{MetaPlugin, MetaPluginResponse};
 
 #[derive(Debug, Clone, Default)]
 pub struct CwdMetaPlugin {
diff --git a/src/services/async_item_service.rs b/src/services/async_item_service.rs
index 32ad992..1fe9c7d 100644
--- a/src/services/async_item_service.rs
+++ b/src/services/async_item_service.rs
@@ -8,7 +8,6 @@ use std::io::Read;
 use std::path::PathBuf;
 use std::sync::Arc;
 use tokio::sync::Mutex;
-use log::warn;
 
 /// An asynchronous wrapper around the `ItemService` for use in async contexts like the web server.
 /// It uses `tokio::task::spawn_blocking` to run synchronous database and filesystem operations
diff --git a/src/services/item_service.rs b/src/services/item_service.rs
index f238eb1..daecb77 100644
--- a/src/services/item_service.rs
+++ b/src/services/item_service.rs
@@ -9,7 +9,7 @@ use crate::db::{self, Meta};
 use crate::compression_engine::{get_compression_engine, CompressionType};
 use crate::modes::common::settings_compression_type;
 use clap::Command;
-use log::{debug, warn};
+use log::debug;
 use rusqlite::Connection;
 use std::collections::HashMap;
 use std::fs;