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An MCP tool for adding two numbers and demonstrating basic tool calls.
Copy the install command and let the AI configure it · recommended for beginners
No copy-paste install info for "first-node-mcp-server" yet — see the docs or source repo.
Use the addition tool in first-node-mcp-server to calculate 23 + 47, and return only the result with a brief note.
Returns 70 and notes that the result was produced by the MCP addition tool.
Use this MCP tool to calculate 0 + 15, -3 + 9, and 102 + 256, then output the results as a list.
Returns three addition results for checking whether the tool handles different numeric inputs correctly.
I am learning MCP. Demonstrate a complete call with this addition tool: first explain the action, then calculate 8 + 12, and finally show the result.
Provides a brief call explanation and returns 20 to help the user understand basic MCP tool usage.
Provides basic arithmetic calculations for quick add, subtract, multiply, and divide tasks.
Perform basic arithmetic operations inside workflows for quick numeric calculations.
Connect to the mcp API via MCP to extend AI tool capabilities.
Learn MCP internals with a beginner-friendly Node.js server and five demo tools.
Use natural language to run 58 online tools and workflows.
Run a Node.js MCP server with user, task, and calculator tools.