http_set_rules

Set match/replace rules used to rewrite parts of URL/query/headers/body before sending.

SERVERHexstrike Ai SOURCE0x4m4/hexstrike-ai

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/hexstrike-ai/http-set-rules.md

WHAT IT DOES

What http_set_rules does on Hexstrike Ai

AI agents invoke http_set_rules 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.

RISK

Why http_set_rules is rated High

This tool modifies HTTP request components (URL, query parameters, headers, body) in transit before they are sent, effectively intercepting and manipulating live traffic. This is an active execution of request manipulation — a core offensive capability (e.g., like Burp Suite match/replace rules) that can alter authentication tokens, inject payloads, or bypass security controls.

From the tool's definition Set match/replace rules used to rewrite parts of URL/query/headers/body before sending

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs http_set_rules 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 http_set_rules, this is the rule to start with:

http_set_rules Rate-limited

http_set_rules 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "http_set_rules": {
      "limits": [
        {
          "counter": "http_set_rules_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about http_set_rules

What does the http_set_rules tool do? +

Set match/replace rules used to rewrite parts of URL/query/headers/body before sending. 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.

How do I enforce a policy on http_set_rules? +

Register the Hexstrike Ai MCP server in PolicyLayer and add a rule for http_set_rules: 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.

What risk level is http_set_rules? +

http_set_rules is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit http_set_rules? +

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

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

http_set_rules 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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