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by badchars

nvd_recent

Retrieve recently published or modified CVEs from NVD to monitor new vulnerabilities. Filter by severity and look-back period.

Instructions

Get recently published or modified CVEs from NVD. Useful for monitoring new vulnerabilities.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
daysNoLook back period in days (default 7, max 120)
severityNoFilter by CVSS v3 severity
limitNoMax results (default 20)
Behavior2/5

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

With no annotations, description must disclose behavioral traits. It only mentions 'get' and 'recently published or modified' but does not specify read-only nature, data freshness, API limits, or pagination behavior.

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

Conciseness5/5

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

Two efficient sentences, front-loaded with core purpose. No wasted words.

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

Completeness4/5

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

Given simple optional parameters and no output schema, description is nearly complete. Lacks mention of return format but sufficient for a monitoring tool.

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

Parameters3/5

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

Schema coverage is 100%, so parameters are already documented. Description adds no extra meaning beyond the schema definitions.

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

Purpose5/5

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

Clearly states 'Get recently published or modified CVEs from NVD' with a specific verb and resource. Differentiates from sibling tools like nvd_search by emphasizing recency and monitoring.

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

Usage Guidelines3/5

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

States 'Useful for monitoring new vulnerabilities' which implies usage context but provides no exclusions or alternatives. Does not compare with similar sibling tools.

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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