util_timezone_lookup

Resolve an IANA timezone to offset, abbreviation, DST flag, and local time for a given instant (or now).

SERVERDelx Mcp A2a SOURCEhttps://api.delx.ai/v1/mcp

Low RISK CLASS

Category Read

Parameters 21 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-davidmosiah-delx-mcp-a2a/util-timezone-lookup.md

WHAT IT DOES

What util_timezone_lookup does on Delx Mcp A2a

AI agents call util_timezone_lookup to retrieve information from Delx Mcp A2a without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`at`	string	—	Optional instant: ISO 8601, Unix seconds, or 'now' (default)
`timezone`	string	Yes	IANA timezone id, e.g. America/New_York or Europe/Lisbon

Parameters from the server's own tool schema.

RISK

Why util_timezone_lookup is rated Low

Even though util_timezone_lookup only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs util_timezone_lookup safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Delx Mcp A2a, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For util_timezone_lookup, this is the rule to start with:

util_timezone_lookup Allowed

util_timezone_lookup is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "util_timezone_lookup": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Delx Mcp A2a, apply this rule, and every util_timezone_lookup call is checked against it from then on.

FAQ

Questions about util_timezone_lookup

What does the util_timezone_lookup tool do? +

Resolve an IANA timezone to offset, abbreviation, DST flag, and local time for a given instant (or now). It is categorised as a Read tool in the Delx Mcp A2a MCP Server, which means it retrieves data without modifying state.

What parameters does util_timezone_lookup accept? +

util_timezone_lookup accepts 2 parameters: at, timezone. Required: timezone. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on util_timezone_lookup? +

Register the Delx Mcp A2a MCP server in PolicyLayer and add a rule for util_timezone_lookup: 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 A2a. Nothing to install.

What risk level is util_timezone_lookup? +

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

Can I rate-limit util_timezone_lookup? +

Yes. Add a rate_limit block to the util_timezone_lookup 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_timezone_lookup completely? +

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

util_timezone_lookup is provided by the Delx Mcp A2a MCP server (https://api.delx.ai/v1/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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