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liftkkkk

OWL MCP Server

load_ontology

Load an OWL/TTL/RDF ontology file from a local path or IRI to enable querying, modifying, and reasoning over the ontology using natural language.

Instructions

加载一个 OWL/TTL/RDF 本体文件(本地路径或 IRI)。后续所有操作都在这个本体上进行。

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathYes本体文件的本地绝对路径(如 C:/work/my.ttl)或 IRI(如 http://...)
Behavior2/5

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

No annotations are provided, so the description carries full burden. It does not disclose whether loading overwrites an existing ontology, validation requirements, error behavior, or side effects. Only states the action without behavioral details.

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 sentences, no wasted words, front-loaded with the core purpose. All information contributes to understanding the tool.

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

Completeness3/5

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

Given no output schema, the description does not explain return values or confirmation. It does not mention prerequisites like file validity or permissions. For a loading tool, more context on what the agent can expect after invocation is missing.

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% with the single parameter 'path' having a description. The description adds context about local absolute path or IRI, but does not provide additional semantic information beyond the schema's baseline.

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 states the verb 'load' and the resource 'ontology file' with specific formats (OWL/TTL/RDF) and types (local path or IRI). It clearly distinguishes from sibling tools by implying this is the initial setup operation.

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

Usage Guidelines4/5

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

The description implicitly guides usage by stating 'all subsequent operations are performed on this ontology', indicating it should be used first. However, it does not explicitly mention when not to use or provide alternatives, though the context makes it clear.

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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