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tool-lab-plugin

Automate MCP tool creation and validation with action/subaction dispatch patterns.

Updated Aug 27, 2026
Search Tags:#validation#scaffolding#mcp#code-generation#tool-design#cross-language#dispatch-pattern
One-click install
npx skills add https://github.com/jmagar/plugin-templates --skill tool-lab-plugin
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: tool-lab-plugin
Source: https://github.com/jmagar/plugin-templates/tree/main/skills/tool-lab-plugin
Command: npx skills add https://github.com/jmagar/plugin-templates --skill tool-lab-plugin

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

The Tool Lab Plugin enables teams to design, audit, and dispatch MCP tools using a standardized action/subaction pattern, reducing boilerplate and ensuring consistency across plugins.

Core Features & Use Cases

  • Canonical error shape enforcement for tool failures.
  • Action/subaction dispatch tables across Python, Rust, and TypeScript patterns.
  • Help tool and documentation scaffolding to expose capabilities at runtime.
  • Guidance for creating new tools, reviewing existing ones, and updating tool definitions.
  • Cross-language templates and references to maintain uniform implementations.

Quick Start

Create a new MCP tool by defining its action/subaction contract and dispatch handlers.

Frequently Asked Questions about tool-lab-plugin

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create MCP tools using an action/subaction dispatch pattern?▼

To create MCP tools using an action/subaction dispatch pattern, define the action/subaction contract and dispatch handlers to automate tool creation and validation. The dispatch tables provide standardized routing across Python, Rust, and TypeScript implementations.

What is a canonical error shape for MCP tool failures?▼

A canonical error shape for MCP tool failures is a standardized error response format enforced during tool design and auditing. It ensures consistent error handling across all MCP tools, reducing boilerplate and maintaining uniform implementations.

Can I generate scaffolding artifacts for MCP tools in Python, Rust, and TypeScript?▼

Yes, you can generate cross-language scaffolding artifacts for MCP tools in Python, Rust, and TypeScript. The templates provide uniform implementation references, including help tool and documentation scaffolding to expose capabilities at runtime.

How do I audit existing MCP tools for conformance?▼

To audit existing MCP tools for conformance, review them against the standardized action/subaction dispatch pattern and canonical error shape. This process ensures existing implementations adhere to centralized references and cross-language consistency guidelines.

What is the best way to standardize MCP tool design across multiple programming languages?▼

The best way to standardize MCP tool design across multiple programming languages is to use cross-language templates and centralized references. Applying an action/subaction dispatch pattern enforces uniform implementations and reduces boilerplate across Python, Rust, and TypeScript.

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