waybackurls_discovery

A read tool on the Nyxstrike MCP server.

SERVERNyxstrike SOURCECommonHuman-Lab/nyxstrike

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/nyxstrike/waybackurls-discovery.md

WHAT IT DOES

What waybackurls_discovery does on Nyxstrike

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

RISK

Why waybackurls_discovery is rated Low

Wayback URL discovery retrieves historical URL data without modifying or deleting anything—a classic reconnaissance/read operation. However, severity is rated high rather than low because this tool is part of an offensive security platform and the data it retrieves could directly inform attack planning.

From the tool's definition Tool name 'waybackurls_discovery' indicates retrieval of historical URLs from the Wayback Machine archive.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs waybackurls_discovery safely

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

waybackurls_discovery Allowed

waybackurls_discovery 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": {
    "waybackurls_discovery": {}
  }
}

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

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

FAQ

Questions about waybackurls_discovery

What does the waybackurls_discovery tool do? +

waybackurls_discovery is a read tool on the Nyxstrike MCP server. It is categorised as a Read tool in the Nyxstrike MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on waybackurls_discovery? +

Register the Nyxstrike MCP server in PolicyLayer and add a rule for waybackurls_discovery: 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 Nyxstrike. Nothing to install.

What risk level is waybackurls_discovery? +

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

Can I rate-limit waybackurls_discovery? +

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

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

waybackurls_discovery is provided by the Nyxstrike MCP server (CommonHuman-Lab/nyxstrike). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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