This record as markdown: /tools/cbrown35-20i-mcp/restore-web-snapshot.md
What restore_web_snapshot does on 20i MCP Server
AI agents use restore_web_snapshot to create or update resources in 20i MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 20i MCP Server environment.
Why restore_web_snapshot is rated Medium
This tool creates or modifies data (web files) reversibly, matching the Write category definition. It is not Destructive because restoration is reversible — the previous state can typically be recovered by restoring a different snapshot.
From the tool's definition The tool description states 'Restore web files from a snapshot' — it modifies existing web files by overwriting them with snapshot data, which is reversible via another snapshot restore or backup.
Attacks that exploit this kind of access
The rule that runs restore_web_snapshot safely
PolicyLayer is an MCP gateway: it sits between your AI agents and 20i MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For restore_web_snapshot, this is the rule to start with:
restore_web_snapshot stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect 20i MCP Server, apply this rule, and every restore_web_snapshot call is checked against it from then on.
Questions about restore_web_snapshot
Restore web files from a snapshot. It is categorised as a Write tool in the 20i MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the 20i MCP Server MCP server in PolicyLayer and add a rule for restore_web_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 20i MCP Server. Nothing to install.
restore_web_snapshot is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the restore_web_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 restore_web_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.
restore_web_snapshot is provided by the 20i MCP Server MCP server (cbrown35/20i-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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