io.github.cyanheads/calculator-mcp-server
Calculator MCP server — evaluate, simplify, and differentiate math expressions.
Ready: ReadySecurity: SecureAuth: No authSetup: Openmcp_servermcp
Use it
- Endpoints
- https://calculator.caseyjhand.com/mcp streamable-http
- Packages
- npm: @cyanheads/calculator-mcp-server 0.1.20
npx -y @cyanheads/calculator-mcp-serverEnv: CALC_MAX_EXPRESSION_LENGTH, CALC_EVALUATION_TIMEOUT_MS, CALC_MAX_RESULT_LENGTH, MCP_LOG_LEVEL - npm: @cyanheads/calculator-mcp-server 0.1.20
npx -y @cyanheads/calculator-mcp-serverEnv: CALC_MAX_EXPRESSION_LENGTH, CALC_EVALUATION_TIMEOUT_MS, CALC_MAX_RESULT_LENGTH, MCP_HTTP_HOST, MCP_HTTP_PORT, MCP_HTTP_ENDPOINT_PATH, MCP_AUTH_MODE, MCP_LOG_LEVEL
- npm: @cyanheads/calculator-mcp-server 0.1.20
- Instructions
- Use the MCP protocol over streamable-http.
- No authentication metadata was declared; the endpoint may still require credentials.
Version history
VersionStatusPublished
0.3.5LatestactiveJun 20, 2026
0.3.4activeJun 15, 2026
0.3.3activeJun 15, 2026
0.3.2activeJun 4, 2026
0.3.1activeJun 2, 2026
0.3.0activeMay 31, 2026
0.2.0activeMay 31, 2026
0.1.26activeMay 30, 2026
0.1.25activeMay 29, 2026
0.1.24activeMay 23, 2026
0.1.23activeMay 23, 2026
0.1.22activeMay 16, 2026
0.1.21activeMay 5, 2026
0.1.20activeApr 29, 2026
0.1.19activeApr 29, 2026
0.1.18activeApr 29, 2026
0.1.17activeApr 28, 2026
0.1.16activeApr 28, 2026
0.1.15activeApr 28, 2026
0.1.14activeApr 28, 2026
0.1.13activeApr 27, 2026
0.1.12activeApr 27, 2026
0.1.11activeApr 24, 2026
0.1.10activeApr 21, 2026
0.1.9activeApr 15, 2026
0.1.8activeMar 30, 2026
0.1.7activeMar 30, 2026
0.1.6activeMar 30, 2026