This record as markdown: /tools/1shin-7-ya-frida-mcp/frida-ls-apps.md
What frida_ls_apps does on Ya Frida
AI agents call frida_ls_apps to retrieve information from Ya Frida without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why frida_ls_apps is rated Low
This tool appears to enumerate installed applications on a Frida-instrumented device, which is a read-only query with no data modification or deletion. However, severity is rated 'medium' rather than 'low' because enumerating apps can reveal sensitive information about device configuration, installed security tools, or enterprise software that could inform further attacks.
From the tool's definition Tool name 'frida_ls_apps' suggests listing applications; context from sibling tools (adb_devices, adb_getprop, adb_logcat) indicates diagnostic/introspection operations on mobile devices. The 'ls' prefix conventionally means 'list', a read operation.
Attacks that exploit this kind of access
The rule that runs frida_ls_apps safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ya Frida, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For frida_ls_apps, this is the rule to start with:
frida_ls_apps is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Ya Frida, apply this rule, and every frida_ls_apps call is checked against it from then on.
Questions about frida_ls_apps
frida_ls_apps is a read tool on the Ya Frida MCP server. It is categorised as a Read tool in the Ya Frida MCP Server, which means it retrieves data without modifying state.
Register the Ya Frida MCP server in PolicyLayer and add a rule for frida_ls_apps: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Ya Frida. Nothing to install.
frida_ls_apps is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the frida_ls_apps rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for frida_ls_apps. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
frida_ls_apps is provided by the Ya Frida MCP server (1shin-7/ya-frida-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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