BloodHound MCP Server

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. It adds useful context about the critical security implications ('can compromise the entire PKI infrastructure'), which helps the agent understand the tool's importance. However, it doesn't cover other behavioral traits like rate limits, authentication needs, or response format, leaving gaps for a read operation.

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 appropriately sized and front-loaded: the first sentence states the core purpose, followed by critical security context, and then parameter details in a structured 'Args' section. Every sentence earns its place without redundancy, making it efficient and easy to parse.

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?

Given the complexity (security-focused tool with 3 parameters), no annotations, and no output schema, the description does well by covering purpose, security context, and parameter semantics. However, it lacks details on return values (e.g., what 'controllers' data looks like) and doesn't mention potential errors or constraints, leaving some gaps for full completeness.

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 description coverage is 0%, so the description must compensate fully. It does so by clearly explaining all three parameters: 'ca_id' as the ID to query, 'limit' for maximum results with a default, and 'skip' for pagination with a default. This adds essential meaning beyond the basic schema, making parameters well-understood.

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 states the verb ('Retrieves') and resource ('controllers of a specific Root Certificate Authority'), making the purpose specific. It distinguishes from siblings like 'get_root_ca_info' by focusing on controllers rather than general CA information, and it explicitly mentions the security context (ESC4/ESC5 attack paths), which adds unique value.

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 provides clear context for usage by mentioning it's 'critical for identifying ESC4 and ESC5 attack paths,' which implies when to use it in security assessments. However, it doesn't explicitly state when not to use it or name alternatives (e.g., 'get_enterprise_ca_controllers' for different CA types), keeping it from a perfect score.

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