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bkuri

Hermes Atlas MCP Server

by bkuri

list_categories

Browse all ecosystem categories and their repository counts to discover available tool types in the Hermes ecosystem.

Instructions

List all ecosystem categories with repo counts. Useful for discovering what types of tools exist in the Hermes ecosystem.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

No annotations are provided, so the description carries full responsibility. It correctly conveys a read-only list operation without side effects, but does not mention any potential pagination or sorting behavior. However, the tool is simple with no parameters, making the description adequate.

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 two concise sentences, front-loaded with the primary action and followed by a brief usage context. Every sentence serves a purpose without redundancy.

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

Completeness5/5

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

For a tool with no parameters and no output schema, the description fully covers what the tool does and its typical use case. It provides sufficient information for an AI agent to decide to invoke it.

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, and schema coverage is 100%. Baseline for zero params is 4 since the description adds no parameter-specific information but also does not need to. It correctly avoids misleading statements.

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 the tool lists all ecosystem categories with repo counts, using specific verb and resource. It distinguishes from siblings like get_repo and ecosystem_stats by focusing exclusively on categories.

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?

The description indicates it is useful for discovering tool types, but does not explicitly state when to use alternatives or when not to use this tool. The context of siblings implies usage boundaries, but it is not explicit.

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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