Common IANA timezone names for clock calls.
| Name | Required | Description | Default |
|---|---|---|---|
| url | No | HTTPS URL to normalize or cite | |
| host | No | Public hostname | |
| json | No | JSON text to validate; discarded after the check | |
| zone | No | IANA timezone name |
Changes observed during successful MCP inspections. Dates show when Glama detected each change.
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden of behavioral disclosure. It does not state what the tool returns, whether it validates, normalizes, lists constants, or performs any operation, nor does it mention side effects, errors, or output format.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is only one short sentence, which is efficient in length but under-specified rather than concise. Every word is generic and the sentence does not earn its place by conveying actionable information beyond the tool name.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
This tool has four parameters, no output schema, no annotations, and ten sibling tools, yet the description provides almost no operational context. An agent cannot determine how to invoke this tool, what input combinations are valid, or what the tool is supposed to return.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the baseline is 3 because the schema already documents url, host, json, and zone individually. However, the description adds no semantic connection between these parameters and the purported 'IANA timezone names' purpose, so it earns the baseline but not more.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description 'Common IANA timezone names for clock calls' names a resource but contains no verb stating what the tool actually does with those names. It does not clearly distinguish this tool from siblings like timezone or utc-time, and the input schema with url/host/json/zone does not obviously correspond to 'timezone names'.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The phrase 'for clock calls' hints at a narrow intended context but gives no explicit guidance on when to choose this tool over timezone, utc-time, or the other siblings. There are no when-to-use, when-not-to-use, or alternative-selection instructions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
Most tools have distinct functions, but names like 'citation', 'compatibility', and 'cc-br' are vague and could be confused with one another or with URL-related tools. The intended purpose of several tools is not immediately clear from the names.
Naming is highly inconsistent: some tools use verb-noun patterns ('normalize-url', 'validate-json'), while others are bare nouns or adjectives ('citation', 'compatibility', 'timezone'), and one is a specific code ('cc-br'). No consistent naming convention is applied across the set.
With 11 tools, the count is within the typical 3–15 range and does not feel excessive. The breadth is somewhat wide, but the number itself is reasonable for a multi-purpose utility server.
The tool set appears to cover disjoint areas (URLs, HTTP status, timezones, JSON validation, country codes) without a clear unifying domain, so it is hard to assess whether it is complete. Several related operations are missing (e.g., URL encoding/decoding, HTTP request execution), leaving the set feeling partial and ad hoc.