AI agents call browse_snapshot to retrieve information from Restic without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Browsing snapshot contents is a retrieval and inspection operation with no side effects. It does not create, modify, delete, or execute anything; it simply reads and presents backup data. This is a classic Read category tool with low severity since misuse would only expose existing data, not cause data loss or irreversible changes.
From the tool's definition Tool description states 'Browse files and directories in a backup snapshot' — a read-only operation that queries and displays snapshot contents without modification or deletion.
Attacks that exploit this kind of access
Browse files and directories in a backup snapshot. It is categorised as a Read tool in the Restic MCP Server, which means it retrieves data without modifying state.
Register the Restic MCP server in PolicyLayer and add a rule for browse_snapshot: 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 Restic. Nothing to install.
browse_snapshot 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 browse_snapshot 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 browse_snapshot. 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.
browse_snapshot is provided by the Restic MCP server (mohsenil85/restic-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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