Calculator MCP Server
Rank #5,643io.github.cyanheads/calculator-mcp-server
MCP server providing calculator-server capabilities
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.
Ranks ahead of 71,665 of 77,308 servers on MCP Toplist.
Use Calculator MCP Server
Add Calculator MCP Server to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.
{
"mcpServers": {
"calculator-mcp-server": {
"url": "https://calculator.caseyjhand.com/mcp"
}
}
}{
"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.
{
"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.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.cyanheads%2Fcalculator-mcp-server)<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.
Listed on 1 registry (2 delisted)
cyanheads
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Available versions (19)
| Version | Published |
|---|---|
| 0.4.0 | Jul 2, 2026 |
| 0.1.24 | May 23, 2026 |
| 0.1.22 | May 16, 2026 |
| 0.1.21 | May 5, 2026 |
| 0.1.20 | Apr 29, 2026 |
| 0.1.18 | Apr 29, 2026 |
| 0.1.17 | Apr 28, 2026 |
| 0.1.16 | Apr 28, 2026 |
| 0.1.15 | Apr 28, 2026 |
| 0.1.14 | Apr 28, 2026 |
| 0.1.13 | Apr 27, 2026 |
| 0.1.12 | Apr 27, 2026 |
| 0.1.11 | Apr 24, 2026 |
| 0.1.10 | Apr 21, 2026 |
| 0.1.9 | Apr 15, 2026 |
| 0.1.8 | Mar 30, 2026 |
| 0.1.7 | Mar 30, 2026 |
| 0.1.6 | Mar 30, 2026 |
| 0.1.0 | Nov 25, 2024 |
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.