Low Risk

grep_llms_txt

Search the Octopus API catalog at octopus://api/llms.txt with grep-style semantics. The catalog is large (~300+ KB) — call this rather than reading the resource body directly. llms.txt is structured as: - Authentication and Space Selection sections (top of file) - Endpoints section: one

How to control grep_llms_txt ↓

AI agents call grep_llms_txt to retrieve information from Octopus Deploy MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

grep_llms_txt retrieves and searches information from an API catalog without side effects. It is a query operation that transforms a large documentation resource into smaller, searchable results. No data creation, modification, deletion, code execution, or financial impact is possible.

From the tool's definition Tool performs 'Search' with 'grep-style semantics' on a read-only API catalog resource (llms.txt). Description explicitly states this is for querying/inspecting documentation, not modifying state.

Documented attack patterns abuse exactly the kind of access grep_llms_txt gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and Octopus Deploy MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for grep_llms_txt:

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

grep_llms_txt is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Octopus Deploy MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the grep_llms_txt tool do? +

Search the Octopus API catalog at octopus://api/llms.txt with grep-style semantics. The catalog is large (~300+ KB) — call this rather than reading the resource body directly. llms.txt is structured as: - Authentication and Space Selection sections (top of file) - Endpoints section: one. It is categorised as a Read tool in the Octopus Deploy MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on grep_llms_txt? +

Register the Octopus Deploy MCP Server MCP server in PolicyLayer and add a rule for grep_llms_txt: 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 Octopus Deploy MCP Server. Nothing to install.

What risk level is grep_llms_txt? +

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

Can I rate-limit grep_llms_txt? +

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

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

grep_llms_txt is provided by the Octopus Deploy MCP Server MCP server (octopusdeploy/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Octopus Deploy MCP Server tool call.

Deterministic rules across all 30 Octopus Deploy MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

30 Octopus Deploy MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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