ip_tracert
Trace the route to an IPv4 host to diagnose network connectivity issues by displaying each hop between the router and destination.
Instructions
Traceroute to an IPv4 host (read-only)
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| host | Yes |
Trace the route to an IPv4 host to diagnose network connectivity issues by displaying each hop between the router and destination.
Traceroute to an IPv4 host (read-only)
| Name | Required | Description | Default |
|---|---|---|---|
| host | Yes |
Changes observed during successful MCP inspections.
v0.6.0Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden of behavioral disclosure. It does add the useful read-only qualifier, indicating a non-mutating operation, but it does not describe output, packet behavior, latency, or other side effects that a traceroute operation may entail.
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 front-loaded sentence with no wasted words. The parenthetical 'read-only' adds useful safety information without bloating the text.
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 simple one-parameter tool, the description is minimally sufficient to invoke the tool correctly, but it lacks any explanation of return values or output behavior since no output schema exists. It would be stronger with a sentence about what the traceroute result contains.
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?
There is only one parameter, host, and the schema already specifies type string and format ipv4. The description merely echoes 'IPv4 host' without adding meaning beyond the schema, and with 0% schema description coverage it does not compensate with any additional parameter context.
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 states a specific action ('Traceroute') and resource ('IPv4 host'), making the tool's function immediately clear. It also differentiates from siblings such as ip_ping and ip6_tracert by specifying the route-tracing behavior and IPv4 scope.
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 description implies when to use the tool through 'Traceroute to an IPv4 host', but it does not explicitly state when to prefer this over ip_ping or ip6_tracert. No exclusions or alternative tools are mentioned, leaving usage context to inference.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.