Medium Risk

util_timestamp_convert

Convert between timestamp formats: Unix epoch, ISO 8601, and human-readable. Delx Agent Utilities are separate from the free witness protocol and may expose x402 utility pricing.

Part of the Delx MCP Server server.

util_timestamp_convert can modify Delx MCP Server data, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents use util_timestamp_convert to create or modify resources in Delx MCP Server. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.

Without a policy, an AI agent could call util_timestamp_convert repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Delx MCP Server.

Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "util_timestamp_convert": {
      "limits": [
        {
          "counter": "util_timestamp_convert_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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These attack patterns abuse exactly the kind of access util_timestamp_convert gives an agent. Each links to the full case and the policy that stops it:

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Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so util_timestamp_convert only ever does what you allow.

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Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.

What does the util_timestamp_convert tool do? +

Convert between timestamp formats: Unix epoch, ISO 8601, and human-readable. Delx Agent Utilities are separate from the free witness protocol and may expose x402 utility pricing.. It is categorised as a Write tool in the Delx MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on util_timestamp_convert? +

Register the Delx MCP Server MCP server in PolicyLayer and add a rule for util_timestamp_convert: 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 Delx MCP Server. Nothing to install.

What risk level is util_timestamp_convert? +

util_timestamp_convert is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit util_timestamp_convert? +

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

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

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

Enforce policy on every Delx MCP Server tool call.

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