CVE MCP Server

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

No annotations are provided, so the description carries the full burden. It mentions the data source ('Ransomwhere database') but lacks details on behavioral traits such as rate limits, authentication requirements, response format, or error handling. This is inadequate for a tool with no annotation coverage.

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 front-loaded with the core purpose in the first sentence, followed by a concise parameter explanation. Every sentence adds value without redundancy, making it efficient and well-structured.

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 tool's moderate complexity (single parameter, no annotations, but with an output schema), the description covers the purpose and parameter semantics adequately. The output schema likely handles return values, so the description does not need to explain them. However, it lacks behavioral details, which slightly reduces 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 description adds meaningful context beyond the input schema, which has 0% coverage. It specifies the parameter 'bitcoin_address' and provides details on accepted formats (P2PKH, P2SH, or bech32), which compensates for the schema's lack of description. With only one parameter, this is sufficient for clarity.

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 specific action ('Check if a Bitcoin address is associated with a known ransomware family') and the resource ('using the Ransomwhere database'), making the purpose explicit. It distinguishes this tool from siblings by focusing on Bitcoin addresses and ransomware intelligence, unlike other tools that handle CVEs, IPs, URLs, or hashes.

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 usage for checking Bitcoin addresses against ransomware databases, but it does not explicitly state when to use this tool versus alternatives like 'lookup_malware_family' or 'check_ip_reputation'. No exclusions or specific contexts are provided, leaving usage guidance incomplete.

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