About plutocalcdesigner-mcp
plutocalcdesigner-mcp connects MCP clients to Plutocalc Designer’s engineering tools for sizing water and wastewater treatment systems. It lets engineers and AI applications inspect design models and templates, run calculations, and retrieve results.
Key features
- 01Browse available design models
- 02Retrieve model details and templates
- 03Run treatment-system calculations
- 04Access units and reference data
- 05Convert templates between JSON and Markdown
Use cases
- 01Find an appropriate treatment calculation model
- 02Prepare inputs for a system design
- 03Run a model and review its results
MCP support
Exposes Plutocalc Designer REST API functions to MCP clients through an HTTP MCP server. It supports model discovery, template retrieval, calculations, and license-related checks.
Configuration
Local server config is the same for every client. Copy it into your client’s MCP config file.
We haven’t collected a package or remote endpoint for this server. Follow the instructions in the project README.
Tools
Local servers expose tools only once running on your machine, and the maintainer has not provided a tool list.
Details
From the project READMEPlutocalc Designer MCP Server
MCP server for the Plutocalc Designer REST API, providing access to water and wastewater treatment system design tools through the Model Context Protocol.
Registry Name: io.github.danpeig/plutocalcdesigner-mcp
Version: 2.5.1
MCP server URL: https://www.plutocalc.com/designer/mcp
OpenAPI specs: https://www.plutocalc.com/designer/server/openapi.json
About Plutocalc Designer
Plutocalc Designer is an online engineering tool for sizing water and wastewater treatment systems. Engineers select a design model, fill in a calculation template, and run the computation to receive a completed template with design results. Learn more at https://www.plutocalc.com/designer.
Using Plutocalc Designer from your AI platform
There are three ways of connecting Plutocalc Designer to AI applications:
- Connecting via the MCP server (recommended)
- Connecting directly to the API using OpenAPI specs (alternative)
- Hosting your own instance of the MCP server (for developers)
Connecting via the MCP server (automatic)
The easiest way to use Plutocalc Designer with your AI assistant is through the MCP Registry:
-
In Claude Desktop or your MCP-compatible client, search for:
plutocalcdesigner-mcpor
io.github.danpeig/plutocalcdesigner-mcp -
Click "Add" or "Install" - The server will be automatically configured.
-
Start using it! Ask your AI assistant:
- "List available wastewater treatment models"
- "Get the template for the stripping tower"
- "Help me design a biological treatment system"
Connecting via the MCP server (manual)
If you need to configure manually, add this to your MCP client configuration:
For Claude Desktop (claude_desktop_config.json):
{
"mcpServers": {
"plutocalcdesigner": {
"url": "https://www.plutocalc.com/designer/mcp",
"transport": "http"
}
}
}
For other MCP clients:
- Server URL:
https://www.plutocalc.com/designer/mcp - Transport Type: HTTP
- Name: plutocalcdesigner (or any name you prefer)
Connecting directly to the API using the OpenAPI specifications
Another way to connect AI models to Plutocalc Designer is use the API directly. In this case, the model can retrieve instructions from the OpenAPI json specifications available at https://www.plutocalc.com/designer/server/openapi.json
A more detailed description of the API with instructions and examples, suitable for humans or LLMs, can be found in: https://www.plutocalc.com/designer/api.html
Hosting the MCP server
This method hosts the MCP server only, not the Plutocalc Designer. The local server requires internet connectivity to connect to the Plutocalc Designer API.
Use this method if you are facing connectivity issues with Plutocalc Designer MCP server or for development purposes.
# Clone the repository
git clone https://github.com/danpeig/plutocalcdesigner-mcp.git
cd plutocalcdesigner-mcp
# Install dependencies
npm install
# Start the server
npm start
The server will start on port 3003 by default (configurable via PORT environment variable).
If you need to check if the server is working, see TEST_CLIENT_README.md for detailed instructions.
Available tools
- server_version - Get Plutocalc Designer server version string
- server_status - Get Plutocalc Designer server status
- license_status - Check license credits balance (requires
licenseKey) - list_models - List available calculation models
- list_models_info - List available models with detailed information including manuals (recommended starting point)
- get_model - Get model name and version (requires
model) - get_model_information - Get detailed model information (requires
model) - get_model_template - Get calculation input template (requires
model) - get_model_referencedb - Get reference database entries (requires
model) - get_model_unitslist - Get supported units list (requires
model) - compute_model - Run model calculation (requires
modelandinput) - json_to_markdown - Convert model JSON template to readable Markdown format (requires
modelandinput) - markdown_to_json - Convert Markdown format back to JSON template (requires
modelandinput) - model_manual - Get URL to the model help/manual page (requires
model) - license_help - Get information about license key requirements
Contact
- Author: Daniel BP
- Email: [email protected]
- Website: https://www.plutocalc.com
- Repository: https://github.com/danpeig/plutocalcdesigner-mcp
- MCP Registry: https://registry.modelcontextprotocol.io (search for "plutocalcdesigner")
Comments
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.