mcp-decisive

MCP server for WRAP decision-making framework with structured output.

Installation

Install the package via npm:

``bash
npm install -g mcp-decisive
`

Configuration

Add the following to your MCP client configuration (e.g., Claude Desktop or other MCP-compatible clients):

`json
{
"mcpServers": {
"decisive": {
"command": "npx",
"args": [
"-y",
"mcp-decisive"
]
}
}
}
`

Features

- WRAP Decision Framework: Structured decision-making process support
- Structured Output: Tools with validated input/output schemas
- Domain-Driven Design: Clean architecture with domain, MCP, and effect layers

Development

For local development:

`bash


Clone the repository

git clone https://github.com/yodakeisuke/mcp-decisive.git
cd mcp-decisive

Install dependencies

npm install

Development mode (with hot reload)

npm run dev

Build the server

npm run build

Start the server

npm run start
`

Example Tool

The template includes an example tool that demonstrates:

Adding New Tools

1. Create a new directory in src/mcp/tool/your-tool/
2. Add these files:
- schema.ts - Input/output schemas
- handler.ts - Tool logic
- index.ts - Tool export
3. Register the tool in src/mcp/Server.ts

File Structure

`
src/
├── index.ts # Server entry point
├── mcp/ # MCP server layer
│ ├── Server.ts # MCP server setup
│ └── tool/
│ ├── util.ts # Response utilities
│ ├── example/ # Example tool
│ │ ├── schema.ts # Zod schemas
│ │ ├── handler.ts # Tool handler
│ │ └── index.ts # Tool export
│ └── CLAUDE.md # Implementation guide
├── domain/ # Domain layer (optional)
│ ├── command/ # Command aggregates
│ │ └── your-aggregate/
│ │ ├── aggregate.ts # Business logic
│ │ └── events.ts # Domain events
│ ├── read/ # Read models
│ │ └── your-view/
│ │ ├── index.ts # Query functions
│ │ └── types.ts # View types
│ └── term/ # Domain terms
│ └── types.ts # Shared domain types
└── effect/ # Effect layer (optional)
└── storage/
└── your-storage.ts # Side effects
``