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MCP live v0.1.9 MCP 2026-07-28 streamable-http ext: skills

io.github.cyanheads/calculator-mcp-server

io.github.cyanheads/calculator-mcp-server

Evaluate, simplify, and differentiate mathematical expressions.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
1316ms
last probe
Tools
1
callable
Resources
2
readable
Prompts
0
available
Primary URL
https://calculator.caseyjhand.com/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
1 tools, 2 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
3 items in total; 3 or more earns these points.
pass Describes itself 10/10
63 characters; more than 30 earns these points.

Tools · 1

calculate

Evaluate math expressions, simplify algebraic expressions, or compute symbolic derivatives. One expression per call. Supports arithmetic, trigonometry, statistics, matrices, linear systems, polynomial…

Resources · 2

Calculator Help

Available functions, operators, constants, and syntax reference.

calculator://help
calculator-guide

Gates and recipes for the calculate tool. Which numericType answers which question, what a result does not prove (integer-looking floats, tolerance-based ==, lusolve on a singular matrix, a simplify t…

skill://calculator-guide/SKILL.md

Skills · 1

calculator-guide

Gates and recipes for the calculate tool. Which numericType answers which question, what a result does not prove (integer-looking floats, tolerance-based ==, lusolve on a singular matrix, a simplify t…

skill://calculator-guide/SKILL.md
1 file

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://calculator.caseyjhand.com/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "io.github.cyanheads/calculator-mcp-server": {
      "url": "https://calculator.caseyjhand.com/mcp",
      "transport": "streamable-http"
    }
  }
}