Low Risk

ioc_lookup_tool

Look up any IP address or domain in the honeypot dataset. Use this FIRST whenever the user asks: 'is this IP malicious?', 'is this a known scanner?', 'have you seen this IP?', 'what does this IP do?', 'when was it last seen?', 'is this IP in your data?'. Returns: total_events (0 = never observed)...

Part of the HoneyLabs server.

ioc_lookup_tool is read-only, but an agent in a loop can still rack up calls and cost. PolicyLayer caps every call before it runs. Live in minutes.

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AI agents call ioc_lookup_tool to retrieve information from HoneyLabs without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.

Even though ioc_lookup_tool only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.

Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "ioc_lookup_tool": {}
  }
}

See the full HoneyLabs policy for all 8 tools.

Get this rule live on your own HoneyLabs server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access ioc_lookup_tool gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so ioc_lookup_tool only ever does what you allow.

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Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.

What does the ioc_lookup_tool tool do? +

Look up any IP address or domain in the honeypot dataset. Use this FIRST whenever the user asks: 'is this IP malicious?', 'is this a known scanner?', 'have you seen this IP?', 'what does this IP do?', 'when was it last seen?', 'is this IP in your data?'. Returns: total_events (0 = never observed), first_seen, last_seen, country, ASN, all ports targeted, top user agents, top URL paths, TLS/HTTP/SSH fingerprints. Covers both IPv4 and domains.. It is categorised as a Read tool in the HoneyLabs MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on ioc_lookup_tool? +

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

What risk level is ioc_lookup_tool? +

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

Can I rate-limit ioc_lookup_tool? +

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

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

ioc_lookup_tool is provided by the HoneyLabs MCP server (https://mcp.honeylabs.net/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every HoneyLabs tool call.

Deterministic rules across all 8 HoneyLabs tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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