cal-mcp
Lightweight math expression calculator service. cal-mcp is a Model Context Protocol (MCP) server maintained by pwh-pwh. It connects to MCP-compatible clients such as Claude Desktop, Cursor, Cline, and other agents that speak the protocol. It exposes 1 tool, including cal, that an agent can call directly. It is categorized under Tool/Server and Data/Computation.
What is this MCP
Cal Server is a lightweight math expression calculator service built on FastMCP framework using Bun runtime. It evaluates mathematical expressions with support for built-in constants like PI and E.
How to use this MCP
Install via Smithery or manually with Bun, then interact via stdio. Send mathematical expressions as input and receive computed results as output.
What this MCP can be used for
Performing quick math calculations in workflows, educational tools, or any application needing on-demand mathematical computation capabilities.
AIMCP authority
DR and traffic signal for the AIMCP public domain.
Frequently asked questions
What is the cal-mcp MCP server?
cal-mcp is a Model Context Protocol server from pwh-pwh. It lets MCP-compatible AI clients call its tools over a standard interface, so agents like Claude, Cursor, and Cline can use it without custom integration.
How do I connect cal-mcp to my AI client?
Add cal-mcp to your client's MCP configuration using the stdio or SSE connection shown in the usage examples on this page, then restart the client to load the server.
What tools does cal-mcp provide?
cal-mcp provides 1 tool: cal.
Is cal-mcp free to use?
cal-mcp is listed on AIMCP for free. Any API keys or accounts required by the underlying service are set by its provider.
Vernclaw Plugins for OpenClaw
Ready-to-use connectors for SEO data, social reading & content generation. Pay-as-you-go credits with audit logs.