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Calculator MCP server

by tech-sushant·io.github.tech-sushant/calculator-mcp·v1.0.1·2 stars
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A simple Model Context Protocol calculator server

B75/100grade B
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Safety scan
B75/100

full report

Adoption
New

2 stars31 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Calculator tools (6)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • add

    Add two numbers together

  • divide

    Divide first number by second number

  • multiply

    Multiply two numbers together

  • power

    Raise first number to the power of second number

  • sqrt

    Calculate square root of a number

  • subtract

    Subtract second number from first number

Public scan report

scanner v0.1.10 · 2026-10-01 · same rubric, same numbers if you re-run it

no findings
  • Code scan6 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 339 days ago4/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Calculator compares

Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
75/100
higher than 45% of 4,460 AI and agents servers
Tools
6
the typical AI and agents server has 6
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
2
more than 65% of 2,711 AI and agents servers
Downloads a week
31
more than 18% of 1,538 AI and agents servers with a package

What its tools let an agent do: 5 read · 1 create

Install Calculator in Claude Code, Cursor or VS Code

Runs npx -y @tech-sushant/calculator-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add calculator-mcp -- npx -y @tech-sushant/calculator-mcp
Add to Cursor

Calculator: common questions

Is Calculator MCP server safe?
Mostly: it is graded B (75/100). Read the Calculator safety report
How do I install Calculator?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Calculator need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Calculator maintained?
The last commit was 372 days ago (2025-10-28). The latest release is v1.0.1.
How does Calculator compare with other AI and agents MCP servers?
safety score 75/100 (higher than 45% of 4,460 AI and agents servers); tools 6 (the typical AI and agents server has 6); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.