{"id":"calculator-mcp-server","name":"calculator-mcp-server","af_score":60.2,"security_score":49.0,"reliability_score":47.5,"what_it_does":"This is a Model Context Protocol (MCP) server that provides Claude with advanced mathematical calculation capabilities, including symbolic math, statistical analysis, and matrix operations.","best_when":null,"avoid_when":null,"last_evaluated":"2026-03-21T22:42:07.250289+00:00","has_mcp":true,"has_api":true,"auth_methods":[],"has_free_tier":false,"known_gotchas":[],"error_quality":null}