wavexis_sessionstorage_get
Get a sessionStorage value by key.
This record as markdown: /tools/wavexis-mcp/wavexis-sessionstorage-get.md
What wavexis_sessionstorage_get does on Wavexis
AI agents call wavexis_sessionstorage_get to retrieve information from Wavexis without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why wavexis_sessionstorage_get is rated Low
This tool retrieves client-side session storage data without modifying or deleting it. SessionStorage is a read-only query operation with no side effects. Blast radius is minimal: an attacker gains visibility into session data (potentially sensitive, e.g., tokens or user state) but cannot modify it, delete it, or trigger actions. Classified as Read with low severity.
From the tool's definition Tool name and description indicate retrieval of sessionStorage data: 'Get a sessionStorage value by key' — no mutation, deletion, or side effects.
Attacks that exploit this kind of access
The rule that runs wavexis_sessionstorage_get safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Wavexis, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For wavexis_sessionstorage_get, this is the rule to start with:
wavexis_sessionstorage_get 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 Wavexis, apply this rule, and every wavexis_sessionstorage_get call is checked against it from then on.
Questions about wavexis_sessionstorage_get
Get a sessionStorage value by key. It is categorised as a Read tool in the Wavexis MCP Server, which means it retrieves data without modifying state.
Register the Wavexis MCP server in PolicyLayer and add a rule for wavexis_sessionstorage_get: 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 Wavexis. Nothing to install.
wavexis_sessionstorage_get 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 wavexis_sessionstorage_get 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 wavexis_sessionstorage_get. 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.
wavexis_sessionstorage_get is provided by the Wavexis MCP server (MathiasPaulenko/wavexis-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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