ToolTrust
D55/100
bytedance

ui-tars-desktop

mcp0.3.0

@bytedance

The Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra

By bytedance | 39 findings | Scanned 3/22/2026 | tooltrust-scanner/v0.1.15

20 High13 Medium6 Low

Security Findings (39)

  • HighExcessive Permission Surface ×13
    • get_config:tool declares exec permission
    • set_config_value:tool declares exec permission
    • read_file:tool declares network permission
    • read_file:tool declares exec permission
    • list_directory:tool declares exec permission
    • search_files:tool declares network permission
    • search_files:tool declares exec permission
    • search_code:tool declares network permission
    • search_code:tool declares exec permission
    • execute_command:tool declares exec permission
    • read_output:tool declares exec permission
    • force_terminate:tool declares exec permission
    • list_sessions:tool declares exec permission
    Rule: AS-002Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.
  • HighScope Mismatch ×7
    • get_config:tool name "get_config" implies read-only operation but declares exec permission
    • read_file:tool name "read_file" implies read-only operation but declares exec permission
    • list_directory:tool name "list_directory" implies read-only operation but declares exec permission
    • search_files:tool name "search_files" implies read-only operation but declares exec permission
    • search_code:tool name "search_code" implies read-only operation but declares exec permission
    • read_output:tool name "read_output" implies read-only operation but declares exec permission
    • list_sessions:tool name "list_sessions" implies read-only operation but declares exec permission
    Rule: AS-003Fix: Ensure tool names, descriptions, and permission declarations are internally consistent. Use explicit naming conventions that fully reflect actual capabilities.
  • MediumExcessive Permission Surface ×13
    • get_config:tool declares fs permission
    • set_config_value:tool declares fs permission
    • read_file:tool declares fs permission
    • read_multiple_files:tool declares fs permission
    • write_file:tool declares fs permission
    • create_directory:tool declares fs permission
    • list_directory:tool declares fs permission
    • move_file:tool declares fs permission
    • search_files:tool declares fs permission
    • search_code:tool declares fs permission
    • get_file_info:tool declares fs permission
    • edit_block:tool declares fs permission
    • execute_command:tool declares fs permission
    Rule: AS-002Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.
  • LowDoS Resilience — Missing Rate Limit / Timeout ×6
    • get_config:tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration
    • set_config_value:tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration
    • read_file:tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration
    • list_directory:tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration
    • force_terminate:tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration
    • list_sessions:tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration
    Rule: AS-011Fix: Declare explicit rate-limit, timeout, and retry configuration for all network and execution tools. Implement exponential back-off and surface resource state to the calling agent.

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$ curl -sfL https://raw.githubusercontent.com/AgentSafe-AI/tooltrust-scanner/main/install.sh | bash
$ tooltrust-scanner scan --server "npx -y ui-tars-desktop"

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