Current time in a named IANA timezone.
| 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 exist, so the description carries the full burden of behavioral disclosure. It only states that the tool returns the current time; it does not mention DST handling, formatting, error behavior, or how the timezone is resolved. This is not contradictory but is under-disclosing.
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 a single sentence with zero filler and the core concept is front-loaded. It is concise, though the brevity collapses content that could reasonably be expected given the mismatched schema.
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?
With no annotations, no output schema, and a schema containing several irrelevant parameters, this description is incomplete. It does not explain the return value, which parameters are relevant, or how an agent should handle the auxiliary schema fields.
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?
The schema has 100% description coverage, so the baseline is 3, but the description fails to resolve a serious mismatch: three of the four schema parameters (url, host, json) are unrelated to a timezone tool. The description does not tell the agent that only zone matters, leaving ambiguity about whether the other parameters affect behavior.
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 clearly identifies the resource (IANA timezone) and the result (current time), so an agent can tell what the tool does. It is a noun phrase rather than an explicit verb+resource construction, but the meaning is unambiguous and distinct from sibling tools like normalize-url or validate-json.
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?
There is no guidance on when to use this tool versus alternatives, no mention of exclusions, and no context about which scenario calls for a timezone lookup. An agent gets no help deciding between this and any other tool.
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 outputs, but citation and normalize-url both return URL components and overlap on host/scheme. The time-related tools (iana-zones, timezone, utc-time) share a domain, and compatibility is vague enough that an agent may struggle to select it correctly.
All names are lowercase and kebab-case, which gives a consistent visual style. However, the naming mixes noun labels like citation and timezone with verb phrases like inspect-robots and validate-json, so there is no uniform verb_noun pattern.
Eleven tools is a reasonable count, but the server is named 'UUID Mint' and contains a loose collection of URL, time, HTTP, JSON, and UUID utilities. The count is not excessive, but the tools do not form a cohesive, well-scoped set.
The tool surface is a grab bag with no coherent domain, so common workflows are only partially covered. For example, there is UUID generation but no UUID validation, timezone lookup but no timezone conversion, and URL inspection but no full URL parsing or content retrieval.