multi_constraint_fail_tool

Tool with one matching and one non-matching constraint (should be filtered)

SERVERFrontmcp SOURCEagentfront/frontmcp

Low RISK CLASS

Category Other

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/frontmcp/multi-constraint-fail-tool.md

WHAT IT DOES

What multi_constraint_fail_tool does on Frontmcp

AI agents call multi_constraint_fail_tool as a supporting operation in Frontmcp workflows.

RISK

Why multi_constraint_fail_tool is rated Low

The description is meta/framework-level, describing a test or filtering behavior within the FrontMCP framework itself rather than any actual operation on data, code, or finances. It appears to be a test fixture tool used to validate constraint filtering logic. There is no evidence of read, write, execute, destructive, or financial behavior.

From the tool's definition Tool with one matching and one non-matching constraint (should be filtered)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs multi_constraint_fail_tool safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Frontmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For multi_constraint_fail_tool, this is the rule to start with:

multi_constraint_fail_tool Rate-limited

multi_constraint_fail_tool gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "multi_constraint_fail_tool": {
      "limits": [
        {
          "counter": "multi_constraint_fail_tool_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about multi_constraint_fail_tool

What does the multi_constraint_fail_tool tool do? +

Tool with one matching and one non-matching constraint (should be filtered). It is categorised as a Other tool in the Frontmcp MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on multi_constraint_fail_tool? +

Register the Front MCP server in PolicyLayer and add a rule for multi_constraint_fail_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 Frontmcp. Nothing to install.

What risk level is multi_constraint_fail_tool? +

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

Can I rate-limit multi_constraint_fail_tool? +

Yes. Add a rate_limit block to the multi_constraint_fail_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 multi_constraint_fail_tool completely? +

Set action: deny in the PolicyLayer policy for multi_constraint_fail_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 multi_constraint_fail_tool? +

multi_constraint_fail_tool is provided by the Front MCP server (agentfront/frontmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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