ws_get_frames

Get captured WebSocket frames with pagination and payload filter.

SERVERJshookmcp SOURCE@jshookmcp/jshook

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-vmoranv-jshookmcp/ws-get-frames.md

WHAT IT DOES

What ws_get_frames does on Jshookmcp

AI agents call ws_get_frames to retrieve information from Jshookmcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why ws_get_frames is rated Low

Retrieves captured WebSocket data without side effects or modifications; read-only inspection of previously captured frames.

From the tool's definition Get captured WebSocket frames with pagination and payload filter.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ws_get_frames 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 ws_get_frames, this is the rule to start with:

ws_get_frames Allowed

ws_get_frames is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ws_get_frames": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about ws_get_frames

What does the ws_get_frames tool do? +

Get captured WebSocket frames with pagination and payload filter. It is categorised as a Read tool in the Jshookmcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on ws_get_frames? +

Register the Jshook MCP server in PolicyLayer and add a rule for ws_get_frames: 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 ws_get_frames? +

ws_get_frames is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit ws_get_frames? +

Yes. Add a rate_limit block to the ws_get_frames 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 ws_get_frames completely? +

Set action: deny in the PolicyLayer policy for ws_get_frames. 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 ws_get_frames? +

ws_get_frames 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.

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