Search for clients by company name, contact name, email, or postcode. Response contains user-controlled fields (CompanyName, contact names, email) that are automatically sanitized.
AI agents call quickfile_client_search to retrieve information from QuickFile MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves client information based on search criteria. It queries and returns data without altering state, creating, modifying, or deleting records. The mention of sanitized user-controlled fields in the response actually reinforces that this is a safe read operation.
From the tool's definition Tool description states it 'Search[es] for clients' and 'Response contains user-controlled fields'. The action is purely retrieval/querying of existing client data with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
Search for clients by company name, contact name, email, or postcode. Response contains user-controlled fields (CompanyName, contact names, email) that are automatically sanitized. It is categorised as a Read tool in the QuickFile MCP Server MCP Server, which means it retrieves data without modifying state.
Register the QuickFile MCP Server MCP server in PolicyLayer and add a rule for quickfile_client_search: 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 QuickFile MCP Server. Nothing to install.
quickfile_client_search 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 quickfile_client_search 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 quickfile_client_search. 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.
quickfile_client_search is provided by the QuickFile MCP Server MCP server (marcusquinn/quickfile-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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