AI agents call get_all_snippets to retrieve information from PhonePi MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a query/retrieval operation that returns data from the phone without modifying, deleting, or executing anything. While snippets may contain sensitive personal information, the tool itself only performs a read operation. Severity is low because reading snippet metadata has minimal blast radius—the harm depends on snippet content, not the tool's capability to misuse the device.
From the tool's definition Tool name 'get_all_snippets' and description 'Get all snippets from the phone' indicate a retrieval operation with no side effects. Snippets are user-created data on the device, and this tool only reads them.
Documented attack patterns abuse exactly the kind of access get_all_snippets gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and PhonePi MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_all_snippets:
{
"version": "1",
"default": "deny",
"tools": {
"get_all_snippets": {}
}
}get_all_snippets is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get all snippets from the phone. It is categorised as a Read tool in the PhonePi MCP MCP Server, which means it retrieves data without modifying state.
Register the PhonePi MCP server in PolicyLayer and add a rule for get_all_snippets: 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 PhonePi MCP. Nothing to install.
get_all_snippets 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 get_all_snippets 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 get_all_snippets. 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.
get_all_snippets is provided by the PhonePi MCP server (priyankark/phonepi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 22 PhonePi MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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22 PhonePi MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.