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42Research

Dynamic MCP Server

by 42Research

get_bpftrace_info

Check BPFtrace availability and retrieve its version number.

Instructions

Get information about BPFtrace availability and version

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

Without annotations, the description carries full burden. 'Get information' implies a read-only, idempotent operation. It explicitly names the type of info (availability and version), leaving little ambiguity. A score of 5 would require explicit mention of side-effect absence, but current text is sufficient.

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?

The description is a single clear sentence with no redundant words. It is front-loaded and efficiently conveys the tool's purpose.

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?

For a no-parameter, no-output-schema tool, the description adequately covers what the tool does (availability and version). It could optionally mention output format (e.g., boolean or string), but the lack is minor given the simplicity.

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?

There are no parameters, so the parameter coverage is 100%. The description does not need to add parameter details. Baseline for 0 parameters is 4, and no further explanation is required.

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?

The description clearly states it retrieves information about BPFtrace availability and version, which is a specific verb+resource. It distinguishes itself from sibling tools like execute_bpftrace_script (which runs scripts) and crash-related tools, making its purpose unambiguous.

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?

No guidance is provided on when to use this tool versus alternatives. For example, it could mention using this before execute_bpftrace_script to verify bpftrace is installed, but it does not.

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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