Retrieve empirical QoS benchmark data comparing domestic Viettel 5G Core and international roaming MVNOs to quantify S8 Home Routing latency penalties.
Retrieve empirical QoS benchmark data comparing domestic Viettel 5G Core vs. international roaming MVNOs (S8 Home Routing latency penalty).
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Changes observed during successful MCP inspections.
v1.0.0Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations at all, the description carries the full behavioral burden, yet it says nothing about whether this is a live measurement or a static reference dataset, how current the benchmarks are, regional scope, or response size. It only describes the subject matter, not how the tool behaves.
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?
A single front-loaded sentence with no filler; the core resource is stated immediately. It is dense with jargon in the parenthetical, but nothing is wasted.
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?
For a zero-parameter, low-complexity tool this covers the 'what', but with no output schema and no annotations the agent still cannot predict the return shape (latency figures, sample sizes, comparison table) or interpret the S8 HR penalty. Adequate but with visible gaps.
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 tool takes zero parameters, so the schema baseline of 4 applies. The description correctly implies no inputs are needed by not mentioning any, though it could have stated the scope is fixed rather than parameterizable.
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?
States a specific verb ('Retrieve') and a specific resource (empirical QoS benchmark data comparing domestic Viettel 5G Core vs. international roaming MVNOs with S8 Home Routing latency penalty). That is clearly distinct from the sibling tools (compatibility, eSIM plan, APN, emergency contacts), though the acronym-dense phrasing assumes domain knowledge.
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 statement of when to call this versus the siblings or versus asking the user directly. Usage is only implied by the topic (network performance questions), and no prerequisites, freshness caveats, or exclusions are given.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.