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AI agents call fm_list_backups to retrieve information from K-Personal MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays backup file metadata. It performs a query operation with optional filtering but does not create, modify, delete, or execute anything. The blast radius of misuse is minimal—an attacker gains visibility into backup locations but cannot alter backups or access their contents directly through this tool.
From the tool's definition Tool name 'fm_list_backups' and description indicate it shows/lists saved backup files with optional filtering by original path. The verb 'list' combined with 'shows' confirms retrieval-only behavior with no modification or side effects.
Attacks that exploit this kind of access
저장된 백업 파일 목록을 보여줍니다. 원본 경로로 필터링 가능. It is categorised as a Read tool in the K-Personal MCP MCP Server, which means it retrieves data without modifying state.
Register the K-Personal MCP server in PolicyLayer and add a rule for fm_list_backups: 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 K-Personal MCP. Nothing to install.
fm_list_backups 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 fm_list_backups 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 fm_list_backups. 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.
fm_list_backups is provided by the K-Personal MCP server (lee30934-byte/k-personal-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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