io.github.cyanheads

calculator-mcp-server

Calculator MCP server — evaluate, simplify, and differentiate math expressions.

Hosted
communityapplication

Deployment

Hosted
streamable-httphttps://calculator.caseyjhand.com/mcp

Package Details

@cyanheads/calculator-mcp-server

0.1.8•https://www.npmjs.com/package/@cyanheads/calculator-mcp-server
Transportstdio
Runtimebun

Package Arguments

Positional
Position 0
run
Position 1
start:stdio

Environment Variables

CALC_MAX_EXPRESSION_LENGTH(str)
Default:1000

Maximum allowed expression string length.

CALC_EVALUATION_TIMEOUT_MS(str)
Default:5000

Maximum evaluation time in milliseconds.

CALC_MAX_RESULT_LENGTH(str)
Default:100000

Maximum result string length in characters.

MCP_LOG_LEVEL(str)
Default:info

Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').

@cyanheads/calculator-mcp-server

0.1.8•https://www.npmjs.com/package/@cyanheads/calculator-mcp-server
TransportStreamable HTTP
Runtimebun

Package Arguments

Positional
Position 0
run
Position 1
start:http

Environment Variables

CALC_MAX_EXPRESSION_LENGTH(str)
Default:1000

Maximum allowed expression string length.

CALC_EVALUATION_TIMEOUT_MS(str)
Default:5000

Maximum evaluation time in milliseconds.

CALC_MAX_RESULT_LENGTH(str)
Default:100000

Maximum result string length in characters.

MCP_HTTP_HOST(str)
Default:127.0.0.1

The hostname for the HTTP server.

MCP_HTTP_PORT(str)
Default:3010

The port to run the HTTP server on.

MCP_HTTP_ENDPOINT_PATH(str)
Default:/mcp

The endpoint path for the MCP server.

MCP_AUTH_MODE(str)
Default:none

Authentication mode to use: 'none', 'jwt', or 'oauth'.

MCP_LOG_LEVEL(str)
Default:info

Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').