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Calculator MCP

by wrtnlabs
npmGitHub
TypeScript
MIT License
125
12
  • Linux
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Calculate MCP

A Model Context Protocol (MCP) server that provides browser automation capabilities using basic calculator feature. This server enables LLMs to interact with calculator. (I actually made it for a test program)

Use Cases

  • The test code for to connect MCP feature.
  • The toy projects

Example config

{ "mcpServers": { "calculate": { "command": "npx", "args": [ "-y", "@wrtnlabs/calculator-mcp@latest" ] } } }
Installation in VS Code

Alternatively, you can install the Playwright MCP server using the VS Code CLI:

# For VS Code code --add-mcp '{"name":"calculator","command":"npx","args":["-y", "@wrtnlabs/calculator-mcp@latest"]}'
# For VS Code Insiders code-insiders --add-mcp '{"name":"calculator","command":"npx","args":["-y", "@wrtnlabs/calculator-mcp@latest"]}'

After installation, the Calculator MCP server will be available for use with your GitHub Copilot agent in VS Code.

CLI Options

The Calculator MCP server supports the following command-line options:

  • --port <port>: Port to listen on for SSE transport

Running headed browser on Linux w/o DISPLAY

When running headed browser on system w/o display or from worker processes of the IDEs, run the MCP server from environment with the DISPLAY and pass the --port flag to enable SSE transport.

npx @wrtnlabs/calculator-mcp@latest --port 8931

And then in MCP client config, set the url to the SSE endpoint:

{ "mcpServers": { "calculator": { "url": "http://localhost:8931/sse" } } }

Programmatic usage with custom transports

import { createServer } from "@wrtnlabs/calculator-mcp"; // ... other import statement const client = new Client({ name: "test client", version: "0.1.0", }); const server = createServer({ name: "calculator", version: "1.0.0" }); const [clientTransport, serverTransport] = InMemoryTransport.createLinkedPair(); await Promise.all([ client.connect(clientTransport), server.connect(serverTransport), ]);

Tools

  • add
  • sub
  • mul
  • div
  • mod
  • sqrt

You must be authenticated.

A
security – no known vulnerabilities
A
license - permissive license
A
quality - confirmed to work

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Tools

A Model Context Protocol server that provides basic calculator functionality for LLMs, enabling them to perform mathematical operations like addition, subtraction, multiplication, division, modulo, and square root.

  1. Use Cases
    1. Example config
      1. Installation in VS Code
    2. CLI Options
      1. Running headed browser on Linux w/o DISPLAY
        1. Programmatic usage with custom transports
          1. Tools

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