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delete_dfw_rule

Remove a distributed firewall rule from VMware NSX security policies to update network segmentation and access controls.

Instructions

Delete a DFW rule from a policy.

Args: policy_id: Parent policy identifier. rule_id: ID of the rule to delete. target: Optional NSX Manager target name from config.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
policy_idYes
rule_idYes
targetNo
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden of behavioral disclosure. While 'Delete' implies mutation, the description fails to confirm this is irreversible, specify what happens to dependent resources, or describe success/failure responses.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is appropriately brief and front-loaded with the core action. The Args block format is slightly informal but efficiently conveys necessary parameter semantics without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a destructive 3-parameter tool with no output schema or annotations, the description covers the basic operation and parameters adequately but lacks critical behavioral details (destructive confirmation, error cases, return values) needed for safe agent operation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Given 0% schema description coverage, the description effectively compensates by documenting all three parameters: policy_id as 'Parent policy identifier', rule_id as 'ID of the rule to delete', and target as 'Optional NSX Manager target name from config'.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the specific action (Delete), resource (DFW rule), and scope (from a policy). It implicitly distinguishes from sibling tool delete_dfw_policy by specifying 'rule' vs 'policy', though it doesn't explicitly contrast the two operations.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives like update_dfw_rule (disable vs. delete), nor does it mention prerequisites such as the policy needing to exist or the rule belonging to the specified policy.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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