SERVER

Calculator MCP Server

Rank #5,643

io.github.cyanheads/calculator-mcp-server

MCP server providing calculator-server capabilities

First listed
Mar 29, 2026
Last publish date
Jul 2, 2026
OVERVIEW

Calculator MCP Server is a Model Context Protocol (MCP) server published by cyanheads. It ranks #5,643 of 77,308 servers tracked on MCP Toplist, and its repository has 1 GitHub stars. Calculator MCP Server is listed across 3 registries — Official MCP, PulseMCP and Smithery, with 19 tracked versions. It was first listed on Mar 29, 2026 and most recently updated on Jul 2, 2026.

STANDING
#5,643of 77,308 tracked serversTop 10%

Ranks ahead of 71,665 of 77,308 servers on MCP Toplist.

CONNECT

Use Calculator MCP Server

Add Calculator MCP Server to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.

Remote · HTTP
{
  "mcpServers": {
    "calculator-mcp-server": {
      "url": "https://calculator.caseyjhand.com/mcp"
    }
  }
}
npm package
{
  "mcpServers": {
    "calculator-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/calculator-mcp-server"
      ],
      "env": {
        "CALC_MAX_EXPRESSION_LENGTH": "<your CALC_MAX_EXPRESSION_LENGTH>",
        "CALC_EVALUATION_TIMEOUT_MS": "<your CALC_EVALUATION_TIMEOUT_MS>",
        "CALC_MAX_RESULT_LENGTH": "<your CALC_MAX_RESULT_LENGTH>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

npm package
{
  "mcpServers": {
    "calculator-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/calculator-mcp-server"
      ],
      "env": {
        "CALC_MAX_EXPRESSION_LENGTH": "<your CALC_MAX_EXPRESSION_LENGTH>",
        "CALC_EVALUATION_TIMEOUT_MS": "<your CALC_EVALUATION_TIMEOUT_MS>",
        "CALC_MAX_RESULT_LENGTH": "<your CALC_MAX_RESULT_LENGTH>",
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

MCP Toplist: Top 10% of 77,308
Markdown
[![MCP Toplist](https://mcptoplist.com/badge/io.github.cyanheads%2Fcalculator-mcp-server.svg)](https://mcptoplist.com/server/io.github.cyanheads%2Fcalculator-mcp-server)
HTML
<a href="https://mcptoplist.com/server/io.github.cyanheads%2Fcalculator-mcp-server"><img src="https://mcptoplist.com/badge/io.github.cyanheads%2Fcalculator-mcp-server.svg" alt="MCP Toplist: Top 10% of 77,308" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 1 registry (2 delisted)

PulseMCPDelisted · last seen Jun 4, 2026
SmitheryDelisted · last seen Jun 4, 2026
ORGANIZATION

cyanheads

Organization
Servers in org
129
Versions across org
821
MORE FROM THIS PUBLISHER

Other servers by cyanheads

View all cyanheads servers →
VERSIONS

Available versions (19)

0.1.0 · Nov 25, 20240.1.6 · Mar 30, 20260.1.7 · Mar 30, 20260.1.8 · Mar 30, 20260.1.9 · Apr 15, 20260.1.10 · Apr 21, 20260.1.11 · Apr 24, 20260.1.12 · Apr 27, 20260.1.13 · Apr 27, 20260.1.14 · Apr 28, 20260.1.15 · Apr 28, 20260.1.16 · Apr 28, 20260.1.17 · Apr 28, 20260.1.18 · Apr 29, 20260.1.20 · Apr 29, 20260.1.21 · May 5, 20260.1.22 · May 16, 20260.1.24 · May 23, 20260.4.0 · Jul 2, 2026Nov 25, 2024Jul 2, 2026
VersionPublished
0.4.0Jul 2, 2026
0.1.24May 23, 2026
0.1.22May 16, 2026
0.1.21May 5, 2026
0.1.20Apr 29, 2026
0.1.18Apr 29, 2026
0.1.17Apr 28, 2026
0.1.16Apr 28, 2026
0.1.15Apr 28, 2026
0.1.14Apr 28, 2026
0.1.13Apr 27, 2026
0.1.12Apr 27, 2026
0.1.11Apr 24, 2026
0.1.10Apr 21, 2026
0.1.9Apr 15, 2026
0.1.8Mar 30, 2026
0.1.7Mar 30, 2026
0.1.6Mar 30, 2026
0.1.0Nov 25, 2024
FAQ

Frequently asked questions

Who maintains Calculator MCP Server?
Calculator MCP Server is maintained by cyanheads, which publishes 129 MCP servers (821 total versions) tracked on MCP Toplist.
Is Calculator MCP Server listed on the Official MCP Registry?
Yes — Calculator MCP Server is listed on the Official MCP Registry, alongside PulseMCP and Smithery.
How many versions does Calculator MCP Server have?
MCP Toplist tracks 19 versions of Calculator MCP Server, most recently published on Jul 2, 2026.
Where can I find the source code for Calculator MCP Server?
The source code for Calculator MCP Server is hosted at github.com/cyanheads/calculator-mcp-server.
EXPLORE
Calculator MCP Server - MCP Server #5,643 | MCP Toplist