arjun_parameter_discovery
A execute tool on the Hexstrike Ai MCP server.
This record as markdown: /tools/hexstrike-ai/arjun-parameter-discovery.md
What arjun_parameter_discovery does on Hexstrike Ai
AI agents invoke arjun_parameter_discovery to trigger actions in Hexstrike Ai. 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.
Why arjun_parameter_discovery is rated High
Arjun is a widely recognized offensive security tool that actively probes web applications to discover hidden HTTP parameters. Even though the description is empty, the tool name unambiguously refers to this specific tool. In the context of this server (HexStrike AI, focused on pentesting and offensive security), it executes active scanning/probing against targets, making it an Execute-category tool.
From the tool's definition Tool name 'arjun_parameter_discovery' on a server explicitly designed for 'automated pentesting, vulnerability discovery, bug bounty automation, and offensive security'. Arjun is a well-known HTTP parameter discovery tool used in offensive security contexts.
Attacks that exploit this kind of access
The rule that runs arjun_parameter_discovery safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Hexstrike Ai, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For arjun_parameter_discovery, this is the rule to start with:
arjun_parameter_discovery 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Hexstrike Ai, apply this rule, and every arjun_parameter_discovery call is checked against it from then on.
Questions about arjun_parameter_discovery
arjun_parameter_discovery is a execute tool on the Hexstrike Ai MCP server. It is categorised as a Execute tool in the Hexstrike Ai MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Hexstrike Ai MCP server in PolicyLayer and add a rule for arjun_parameter_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 Hexstrike Ai. Nothing to install.
arjun_parameter_discovery 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 arjun_parameter_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.
Set action: deny in the PolicyLayer policy for arjun_parameter_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.
arjun_parameter_discovery is provided by the Hexstrike Ai MCP server (0x4m4/hexstrike-ai). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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