save_page_snapshot

Save current page state.

SERVERJshookmcp SOURCE@jshookmcp/jshook

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-vmoranv-jshookmcp/save-page-snapshot.md

WHAT IT DOES

What save_page_snapshot does on Jshookmcp

AI agents use save_page_snapshot to create or update resources in Jshookmcp, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Jshookmcp environment.

RISK

Why save_page_snapshot is rated Medium

Creates a persistent snapshot of page data; reversible but modifies storage with browser-captured content.

From the tool's definition Save current page state

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs save_page_snapshot safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Jshookmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For save_page_snapshot, this is the rule to start with:

save_page_snapshot Rate-limited

save_page_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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "save_page_snapshot": {
      "limits": [
        {
          "counter": "save_page_snapshot_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Jshookmcp, apply this rule, and every save_page_snapshot call is checked against it from then on.

FAQ

Questions about save_page_snapshot

What does the save_page_snapshot tool do? +

Save current page state. It is categorised as a Write tool in the Jshookmcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on save_page_snapshot? +

Register the Jshook MCP server in PolicyLayer and add a rule for save_page_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 Jshookmcp. Nothing to install.

What risk level is save_page_snapshot? +

save_page_snapshot is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit save_page_snapshot? +

Yes. Add a rate_limit block to the save_page_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.

How do I block save_page_snapshot completely? +

Set action: deny in the PolicyLayer policy for save_page_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.

What MCP server provides save_page_snapshot? +

save_page_snapshot is provided by the Jshook MCP server (@jshookmcp/jshook). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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save_snapshot on Why Did You Render → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →