Class SkillTool

Namespace: LMKit.Agents.Skills

Assembly: LM-Kit.NET.dll

An ITool implementation that exposes Agent Skills to models.

When invoked, this tool activates a specified skill and returns its instructions for the agent to follow. The tool description dynamically lists all available skills, implementing progressive disclosure.

public sealed class SkillTool : ITool

Inheritance: object

SkillTool

Implements: ITool

Inherited Members: object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.ReferenceEquals(object, object)

object.ToString()

Remarks

Tool Behavior
The SkillTool enables LLMs to discover and activate skills through function calling:

The tool's description lists all available skill names and their purposes.
When the LLM calls the tool with a skill name, the full instructions are returned.
The LLM then follows those instructions to complete the task.

Usage

var skillRegistry = new SkillRegistry();
skillRegistry.LoadFromDirectory("./skills");

var skillTool = new SkillTool(skillRegistry);
conversation.Tools.Register(skillTool);

// The LLM can now discover and activate skills through function calling

Constructors

SkillTool(SkillRegistry, string): Initializes a new instance of the SkillTool class.

Fields

DefaultName: Gets the default name for the skill tool.

Properties

Description: Concise, human-readable summary of what the tool does. This text is surfaced to the model and influences tool selection. Prefer an imperative, single sentence (≈ 200 chars or fewer).

InputSchema: JSON Schema (Draft-07 subset) describing the expected input arguments object. Aligned with MCP naming (inputSchema). Provide this schema when registering the tool.

Name: Stable, unique identifier for the tool (e.g., get_weather). Used by the LLM to reference this tool; keep it stable across versions.

Methods

InvokeAsync(string, CancellationToken): Executes the tool with the provided JSON argument payload and returns a JSON payload result.

Events

SkillActivated: Occurs when a skill is activated through this tool.