diff --git a/app/controllers/api/v1/accounts/contacts/conversations_controller.rb b/app/controllers/api/v1/accounts/contacts/conversations_controller.rb
index fda19b8c2..20d66fb4d 100644
--- a/app/controllers/api/v1/accounts/contacts/conversations_controller.rb
+++ b/app/controllers/api/v1/accounts/contacts/conversations_controller.rb
@@ -12,10 +12,6 @@ class Api::V1::Accounts::Contacts::ConversationsController < Api::V1::Accounts::
       Current.account
     ).perform
 
-    # Only allow conversations from inboxes the user has access to
-    inbox_ids = Current.user.assigned_inboxes.pluck(:id)
-    conversations = conversations.where(inbox_id: inbox_ids)
-
     @conversations = conversations.order(last_activity_at: :desc).limit(20)
   end
 end
diff --git a/app/finders/conversation_finder.rb b/app/finders/conversation_finder.rb
index 1694199ba..d43ed31e7 100644
--- a/app/finders/conversation_finder.rb
+++ b/app/finders/conversation_finder.rb
@@ -88,7 +88,10 @@ class ConversationFinder
 
   def find_conversation_by_inbox
     @conversations = current_account.conversations
-    @conversations = @conversations.where(inbox_id: @inbox_ids) unless params[:inbox_id].blank? && @is_admin
+
+    return unless params[:inbox_id]
+
+    @conversations = @conversations.where(inbox_id: @inbox_ids)
   end
 
   def find_all_conversations
diff --git a/app/services/conversations/filter_service.rb b/app/services/conversations/filter_service.rb
index 21fe3c716..db2892c31 100644
--- a/app/services/conversations/filter_service.rb
+++ b/app/services/conversations/filter_service.rb
@@ -28,16 +28,6 @@ class Conversations::FilterService < FilterService
       :taggings, :inbox, { assignee: { avatar_attachment: [:blob] } }, { contact: { avatar_attachment: [:blob] } }, :team, :messages, :contact_inbox
     )
 
-    account_user = @account.account_users.find_by(user_id: @user.id)
-    is_administrator = account_user&.role == 'administrator'
-
-    # Ensure we only include conversations from inboxes the user has access to
-    unless is_administrator
-      inbox_ids = @user.inboxes.where(account_id: @account.id).pluck(:id)
-      conversations = conversations.where(inbox_id: inbox_ids)
-    end
-
-    # Apply permission-based filtering
     Conversations::PermissionFilterService.new(
       conversations,
       @user,
diff --git a/app/services/conversations/permission_filter_service.rb b/app/services/conversations/permission_filter_service.rb
index a8561dbdf..31dd011d7 100644
--- a/app/services/conversations/permission_filter_service.rb
+++ b/app/services/conversations/permission_filter_service.rb
@@ -8,9 +8,23 @@ class Conversations::PermissionFilterService
   end
 
   def perform
-    # The base implementation simply returns all conversations
-    # Enterprise edition extends this with permission-based filtering
-    conversations
+    return conversations if user_role == 'administrator'
+
+    accessible_conversations
+  end
+
+  private
+
+  def accessible_conversations
+    conversations.where(inbox: user.inboxes.where(account_id: account.id))
+  end
+
+  def account_user
+    AccountUser.find_by(account_id: account.id, user_id: user.id)
+  end
+
+  def user_role
+    account_user&.role
   end
 end
 
diff --git a/enterprise/app/services/captain/tools/base_service.rb b/enterprise/app/services/captain/tools/base_service.rb
index 7fadc806b..9143726b7 100644
--- a/enterprise/app/services/captain/tools/base_service.rb
+++ b/enterprise/app/services/captain/tools/base_service.rb
@@ -1,8 +1,9 @@
 class Captain::Tools::BaseService
   attr_accessor :assistant
 
-  def initialize(assistant)
+  def initialize(assistant, user: nil)
     @assistant = assistant
+    @user = user
   end
 
   def name
diff --git a/enterprise/app/services/captain/tools/copilot/search_conversations_service.rb b/enterprise/app/services/captain/tools/copilot/search_conversations_service.rb
new file mode 100644
index 000000000..6b6b063ea
--- /dev/null
+++ b/enterprise/app/services/captain/tools/copilot/search_conversations_service.rb
@@ -0,0 +1,72 @@
+class Captain::Tools::Copilot::SearchConversationsService < Captain::Tools::BaseService
+  def name
+    'search_conversations'
+  end
+
+  def description
+    'Search conversations based on parameters'
+  end
+
+  def parameters
+    {
+      type: 'object',
+      properties: properties,
+      required: []
+    }
+  end
+
+  def execute(arguments)
+    status = arguments['status']
+    contact_id = arguments['contact_id']
+    priority = arguments['priority']
+
+    conversations = get_conversations(status, contact_id, priority)
+
+    return 'No conversations found' unless conversations.exists?
+
+    total_count = conversations.count
+    conversations = conversations.limit(100)
+
+    <<~RESPONSE
+      #{total_count > 100 ? "Found #{total_count} conversations (showing first 100)" : "Total number of conversations: #{total_count}"}
+      #{conversations.map { |conversation| conversation.to_llm_text(include_contact_details: true) }.join("\n---\n")}
+    RESPONSE
+  end
+
+  private
+
+  def get_conversations(status, contact_id, priority)
+    conversations = permissible_conversations
+    conversations = conversations.where(contact_id: contact_id) if contact_id.present?
+    conversations = conversations.where(status: status) if status.present?
+    conversations = conversations.where(priority: priority) if priority.present?
+    conversations
+  end
+
+  def permissible_conversations
+    Conversations::PermissionFilterService.new(
+      @assistant.account.conversations,
+      @user,
+      @assistant.account
+    ).perform
+  end
+
+  def properties
+    {
+      contact_id: {
+        type: 'number',
+        description: 'Filter conversations by contact ID'
+      },
+      status: {
+        type: 'string',
+        enum: %w[open resolved pending snoozed],
+        description: 'Filter conversations by status'
+      },
+      priority: {
+        type: 'string',
+        enum: %w[low medium high urgent],
+        description: 'Filter conversations by priority'
+      }
+    }
+  end
+end
diff --git a/enterprise/app/services/enterprise/conversations/permission_filter_service.rb b/enterprise/app/services/enterprise/conversations/permission_filter_service.rb
index 5da65ffa6..f55265a90 100644
--- a/enterprise/app/services/enterprise/conversations/permission_filter_service.rb
+++ b/enterprise/app/services/enterprise/conversations/permission_filter_service.rb
@@ -1,36 +1,37 @@
 module Enterprise::Conversations::PermissionFilterService
   def perform
-    account_user = AccountUser.find_by(account_id: account.id, user_id: user.id)
-    permissions = account_user&.permissions || []
-    user_role = account_user&.role
+    return filter_by_permissions(permissions) if user_has_custom_role?
 
-    # Skip filtering for administrators
-    return conversations if user_role == 'administrator'
-    # Skip filtering for regular agents (without custom roles/permissions)
-    return conversations if user_role == 'agent' && account_user&.custom_role_id.nil?
-
-    filter_by_permissions(permissions)
+    super
   end
 
   private
 
+  def user_has_custom_role?
+    user_role == 'agent' && account_user&.custom_role_id.present?
+  end
+
+  def permissions
+    account_user&.permissions || []
+  end
+
   def filter_by_permissions(permissions)
     # Permission-based filtering with hierarchy
     # conversation_manage > conversation_unassigned_manage > conversation_participating_manage
     if permissions.include?('conversation_manage')
-      conversations
+      accessible_conversations
     elsif permissions.include?('conversation_unassigned_manage')
       filter_unassigned_and_mine
     elsif permissions.include?('conversation_participating_manage')
-      conversations.assigned_to(user)
+      accessible_conversations.assigned_to(user)
     else
       Conversation.none
     end
   end
 
   def filter_unassigned_and_mine
-    mine = conversations.assigned_to(user)
-    unassigned = conversations.unassigned
+    mine = accessible_conversations.assigned_to(user)
+    unassigned = accessible_conversations.unassigned
 
     Conversation.from("(#{mine.to_sql} UNION #{unassigned.to_sql}) as conversations")
                 .where(account_id: account.id)
diff --git a/spec/enterprise/services/captain/tools/copilot/search_conversations_service_spec.rb b/spec/enterprise/services/captain/tools/copilot/search_conversations_service_spec.rb
new file mode 100644
index 000000000..e60ad6f28
--- /dev/null
+++ b/spec/enterprise/services/captain/tools/copilot/search_conversations_service_spec.rb
@@ -0,0 +1,67 @@
+require 'rails_helper'
+
+RSpec.describe Captain::Tools::Copilot::SearchConversationsService do
+  let(:account) { create(:account) }
+  let(:user) { create(:user, role: 'administrator', account: account) }
+  let(:assistant) { create(:captain_assistant, account: account) }
+  let(:service) { described_class.new(assistant, user: user) }
+
+  describe '#name' do
+    it 'returns the correct service name' do
+      expect(service.name).to eq('search_conversations')
+    end
+  end
+
+  describe '#description' do
+    it 'returns the service description' do
+      expect(service.description).to eq('Search conversations based on parameters')
+    end
+  end
+
+  describe '#parameters' do
+    it 'returns the correct parameter schema' do
+      params = service.parameters
+      expect(params[:type]).to eq('object')
+      expect(params[:properties]).to include(:contact_id, :status, :priority)
+    end
+  end
+
+  describe '#execute' do
+    let(:contact) { create(:contact, account: account) }
+    let!(:open_conversation) { create(:conversation, account: account, contact: contact, status: 'open', priority: 'high') }
+    let!(:resolved_conversation) { create(:conversation, account: account, status: 'resolved', priority: 'low') }
+
+    it 'returns all conversations when no filters are applied' do
+      result = service.execute({})
+      expect(result).to include('Total number of conversations: 2')
+      expect(result).to include(open_conversation.to_llm_text(include_contact_details: true))
+      expect(result).to include(resolved_conversation.to_llm_text(include_contact_details: true))
+    end
+
+    it 'filters conversations by status' do
+      result = service.execute({ 'status' => 'open' })
+      expect(result).to include('Total number of conversations: 1')
+      expect(result).to include(open_conversation.to_llm_text(include_contact_details: true))
+      expect(result).not_to include(resolved_conversation.to_llm_text(include_contact_details: true))
+    end
+
+    it 'filters conversations by contact_id' do
+      result = service.execute({ 'contact_id' => contact.id })
+      expect(result).to include('Total number of conversations: 1')
+      expect(result).to include(open_conversation.to_llm_text(include_contact_details: true))
+      expect(result).not_to include(resolved_conversation.to_llm_text(include_contact_details: true))
+    end
+
+    it 'filters conversations by priority' do
+      result = service.execute({ 'priority' => 'high' })
+      expect(result).to include('Total number of conversations: 1')
+      expect(result).to include(open_conversation.to_llm_text(include_contact_details: true))
+      expect(result).not_to include(resolved_conversation.to_llm_text(include_contact_details: true))
+    end
+
+    it 'returns appropriate message when no conversations are found' do
+      result = service.execute({ 'status' => 'snoozed' })
+      expect(result).to eq('No conversations found')
+    end
+  end
+end
diff --git a/spec/enterprise/services/enterprise/conversations/permission_filter_service_spec.rb b/spec/enterprise/services/enterprise/conversations/permission_filter_service_spec.rb
index b26832faf..0cfec97eb 100644
--- a/spec/enterprise/services/enterprise/conversations/permission_filter_service_spec.rb
+++ b/spec/enterprise/services/enterprise/conversations/permission_filter_service_spec.rb
@@ -9,6 +9,8 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
   let(:admin) { create(:user, account: account, role: :administrator) }
   let(:agent) { create(:user, account: account, role: :agent) }
   let!(:inbox) { create(:inbox, account: account) }
+  let!(:inbox2) { create(:inbox, account: account) }
+  let!(:another_inbox_conversation) { create(:conversation, account: account, inbox: inbox2) }
 
   # This inbox_member is used to establish the agent's access to the inbox
   before { create(:inbox_member, user: agent, inbox: inbox) }
@@ -25,16 +27,14 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         expect(result).to include(assigned_conversation)
         expect(result).to include(unassigned_conversation)
         expect(result).to include(another_assigned_conversation)
-        expect(result.count).to eq(3)
+        expect(result.count).to eq(4)
       end
     end
 
     context 'when user is a regular agent' do
       it 'returns all conversations in assigned inboxes' do
-        inbox_ids = agent.inboxes.where(account_id: account.id).pluck(:id)
-
         result = Conversations::PermissionFilterService.new(
-          account.conversations.where(inbox_id: inbox_ids),
+          account.conversations,
           agent,
           account
         ).perform
@@ -42,6 +42,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         expect(result).to include(assigned_conversation)
         expect(result).to include(unassigned_conversation)
         expect(result).to include(another_assigned_conversation)
+        expect(result).not_to include(another_inbox_conversation)
         expect(result.count).to eq(3)
       end
     end
@@ -52,7 +53,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         # Create a new isolated test environment
         test_account = create(:account)
         test_inbox = create(:inbox, account: test_account)
-
+        test_inbox2 = create(:inbox, account: test_account)
         # Create test agent
         test_agent = create(:user, account: test_account, role: :agent)
         create(:inbox_member, user: test_agent, inbox: test_inbox)
@@ -66,6 +67,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         assigned_conversation = create(:conversation, account: test_account, inbox: test_inbox, assignee: test_agent)
         unassigned_conversation = create(:conversation, account: test_account, inbox: test_inbox, assignee: nil)
         other_assigned_conversation = create(:conversation, account: test_account, inbox: test_inbox, assignee: create(:user, account: test_account))
+        other_inbox_conversation = create(:conversation, account: test_account, inbox: test_inbox2, assignee: nil)
 
         # Run the test
         result = Conversations::PermissionFilterService.new(
@@ -79,6 +81,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         expect(result).to include(assigned_conversation)
         expect(result).to include(unassigned_conversation)
         expect(result).to include(other_assigned_conversation)
+        expect(result).not_to include(other_inbox_conversation)
       end
     end
 
@@ -87,6 +90,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         # Create a new isolated test environment
         test_account = create(:account)
         test_inbox = create(:inbox, account: test_account)
+        test_inbox2 = create(:inbox, account: test_account)
 
         # Create test agent
         test_agent = create(:user, account: test_account, role: :agent)
@@ -101,6 +105,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         # Create some conversations
         other_conversation = create(:conversation, account: test_account, inbox: test_inbox)
         assigned_conversation = create(:conversation, account: test_account, inbox: test_inbox, assignee: test_agent)
+        other_inbox_conversation = create(:conversation, account: test_account, inbox: test_inbox2, assignee: nil)
 
         # Run the test
         result = Conversations::PermissionFilterService.new(
@@ -114,6 +119,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         expect(result.first.assignee).to eq(test_agent)
         expect(result).to include(assigned_conversation)
         expect(result).not_to include(other_conversation)
+        expect(result).not_to include(other_inbox_conversation)
       end
     end
 
@@ -122,6 +128,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         # Create a new isolated test environment
         test_account = create(:account)
         test_inbox = create(:inbox, account: test_account)
+        test_inbox2 = create(:inbox, account: test_account)
 
         # Create test agent
         test_agent = create(:user, account: test_account, role: :agent)
@@ -137,6 +144,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         assigned_conversation = create(:conversation, account: test_account, inbox: test_inbox, assignee: test_agent)
         unassigned_conversation = create(:conversation, account: test_account, inbox: test_inbox, assignee: nil)
         other_assigned_conversation = create(:conversation, account: test_account, inbox: test_inbox, assignee: create(:user, account: test_account))
+        other_inbox_conversation = create(:conversation, account: test_account, inbox: test_inbox2, assignee: nil)
 
         # Run the test
         result = Conversations::PermissionFilterService.new(
@@ -152,6 +160,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
 
         # Should NOT include conversations assigned to others
         expect(result).not_to include(other_assigned_conversation)
+        expect(result).not_to include(other_inbox_conversation)
       end
     end
 
@@ -160,6 +169,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         # Create a new isolated test environment
         test_account = create(:account)
         test_inbox = create(:inbox, account: test_account)
+        test_inbox2 = create(:inbox, account: test_account)
 
         # Create test agent
         test_agent = create(:user, account: test_account, role: :agent)
@@ -176,6 +186,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         assigned_to_agent = create(:conversation, account: test_account, inbox: test_inbox, assignee: test_agent)
         unassigned_conversation = create(:conversation, account: test_account, inbox: test_inbox, assignee: nil)
         other_assigned_conversation = create(:conversation, account: test_account, inbox: test_inbox, assignee: create(:user, account: test_account))
+        other_inbox_conversation = create(:conversation, account: test_account, inbox: test_inbox2, assignee: nil)
 
         # Run the test
         result = Conversations::PermissionFilterService.new(
@@ -191,6 +202,7 @@ RSpec.describe Enterprise::Conversations::PermissionFilterService do
         expect(result).to include(unassigned_conversation)
         expect(result).to include(assigned_to_agent)
         expect(result).not_to include(other_assigned_conversation)
+        expect(result).not_to include(other_inbox_conversation)
       end
     end
   end