MCP Tool Factory

Spawns permission-graded, hot-loadable MCP tool classes with conversational negotiation and state continuity.

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GitHub Stars

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Language

5 months ago

First Indexed

2 months ago

Catalog Refreshed

Documentation & install

Readme and setup notes from the catalogue, plus a client-ready config you can copy for your MCP host.

Installation

Add the following to your MCP client configuration file.

Configuration

View docs

{
  "mcpServers": {
    "tarunjain15-mcp-tool-factory": {
      "command": "node",
      "args": [
        "/path/to/mcp-tool-factory/dist/index.js"
      ],
      "env": {
        "NODE_ENV": "development"
      }
    }
  }
}

You run an MCP server that provides modular, permission-graded tools you can negotiate with, hot-reload without downtime, and maintain state across conversations. This enables safe, dynamic tool interactions and easy orchestration across complex workflows.

How to use

You interact with the MCP server through your client to discover tools, simulate actions, and approve sensitive operations. Start by listing available tools, then request a hypothetical evaluation before performing any action. If an operation requires elevated permissions, obtain explicit approval and proceed only after confirmation.

Key usage patterns you can follow: identify tools to learn their capabilities, simulate actions to check alignment, and request approvals for destructive or sensitive tasks. The system preserves conversation context and permission state so you can continue working with tools across restarts and updates.

How to install

npm install

# Build the MCP server
npm run build

# Run the MCP server
npm start

Additional notes

The MCP server supports hot-reload, so you can update tool implementations without restarting the server. You may need to restart your MCP client (e.g., Claude Desktop) to see newly added tools in the current session.

Environment considerations: the server uses a conversation manager, alignment checks, and an approval flow to ensure safety policies are respected during tool interactions.

Security and safety tips

Always perform a hypothetical evaluation before executing actions that could modify data or systems. Use the what-if flow to detect misalignment with policies such as RESOURCE_STEWARDSHIP and PRIVACY_PRESERVATION before granting permissions.

When requesting permission for sensitive operations, ensure you have a clear approval trail. The system accumulates permission grants across calls to maintain consistent security state.

Available tools

example-tool

A sample MCP tool implementing greeting, echo, write-file, evaluate, and what-if capabilities with version 2.2.0.