AI agents invoke run_awk to trigger actions in Pentester-MCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
AWK is a Turing-complete programming language; 'run_awk' permits execution of arbitrary AWK scripts whose effects depend on the script content passed as arguments. This falls under Execute rather than Read because AWK can perform side effects (file writes, system calls via system() function, network operations).
From the tool's definition Tool named 'run_awk' in a pentester-MCP server context with sibling tools like 'execute_weevely_module', 'launch_xsser_gui', and 'run_query'-style patterns. AWK is a text processing language capable of executing arbitrary code.
Documented attack patterns abuse exactly the kind of access run_awk gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Pentester-MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for run_awk:
{
"version": "1",
"default": "deny",
"tools": {
"run_awk": {
"limits": [
{
"counter": "run_awk_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}run_awk stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
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run_awk. It is categorised as a Execute tool in the Pentester-MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Pentester- MCP server in PolicyLayer and add a rule for run_awk: 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 Pentester-MCP. Nothing to install.
run_awk is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the run_awk 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.
Set action: deny in the PolicyLayer policy for run_awk. 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.
run_awk is provided by the Pentester- MCP server (halilkirazkaya/pentester-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Pentester-MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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337 Pentester-MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.