CalculatorX
Online calculators and converters with clear formulas, assumptions, and sources—for math, finance, electrical engineering, and everyday calculations.
https://www.calculatorx.com/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
Connect straight to this server’s public endpoint.
https://www.calculatorx.com/mcpWe add this server to your workspace, then open Studio — saved access, one connection to many servers, with a history of what ran.
Last probed Sep 14, 2026 · www.calculatorx.com
3tools discovered
Search calculation capabilities
Search CalculatorX golden calculation capabilities. Prefer this over loading hundreds of tools. Returns capability_id, trust, schemas, and evidence links.
Inspect a calculation capability
Inspect one capability by capability_id (or tool_id). Default detail_level=summary returns a compact card + canonical schemas. Use detail_level=full for limitations/evidence_tests. Optional operation returns the slim per-mode input schema when available.
Execute calculation
Run a deterministic CalculatorX calculation. Pass capability_id + inputs. Optionally pin calculation_version. Default detail_level=summary returns compact results (omit histogram/Sobol/etc); use full for complete engine output. Errors are actionable (code/field/recoverable).
Get your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brandsOnline calculators and converters with clear formulas, assumptions, and sources—for math, finance, electrical engineering, and everyday calculations.
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
Operate CalculatorX? Verify ownership to take over this directory entry.
This server appears in the MCPBundles directory. Verify you operate it to take over the listing — name, description, logo, contact email, and skill content. We email a 6-digit code to a maintainer address your server publishes in /.well-known/security.txt or /.well-known/mcpbundles.json. Free, takes about a minute.
MCPBundles probed 3 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
No provider sign-in was required during MCPBundles' probe. Your client may still need MCPBundles credentials depending on how you connect.
MCPBundles is an independent platform built on the open Model Context Protocol standard. Not affiliated with Anthropic PBC or Claude.