Restore session data to a specific operation point.
AI agents use restore_to_operation to create or update resources in CSV Editor — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CSV Editor environment.
The tool performs reversible modification of data (restoring to a prior state), which is characteristic of Write operations. It is not Destructive because the original data is not permanently lost—prior states remain accessible in the history. It is not Read because it modifies the session state.
From the tool's definition restore_to_operation restores session data to a specific operation point. This is a data modification action that reverts the current state to a previous point in the undo/redo history, similar to an undo operation.
Documented attack patterns abuse exactly the kind of access restore_to_operation gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and CSV Editor, and nothing reaches the server without passing your rules. This is the rule we recommend for restore_to_operation:
{
"version": "1",
"default": "deny",
"tools": {
"restore_to_operation": {
"limits": [
{
"counter": "restore_to_operation_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}restore_to_operation 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.
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Restore session data to a specific operation point. It is categorised as a Write tool in the CSV Editor MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the CSV Editor MCP server in PolicyLayer and add a rule for restore_to_operation: 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 CSV Editor. Nothing to install.
restore_to_operation 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_to_operation 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_to_operation. 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_to_operation is provided by the CSV Editor MCP server (santoshray02/csv-editor). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from CSV Editor, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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39 CSV Editor tools catalogued and risk-classified — across an index of 43,000+ MCP servers.