{"id":"acuvity-mcp-server-calculator","name":"mcp-server-calculator","af_score":34.5,"security_score":25.0,"reliability_score":20.0,"what_it_does":"An MCP (Model Context Protocol) server that likely provides calculator/evaluation capabilities (e.g., arithmetic expression evaluation) to an MCP-compatible agent.","best_when":"You need a lightweight, deterministic calculator tool exposed via MCP to an AI agent.","avoid_when":"You require strong authentication/authorization controls, rigorous input validation guarantees, or extensive operational documentation that isn’t present in the provided materials.","last_evaluated":"2026-04-04T21:34:39.997020+00:00","has_mcp":true,"has_api":false,"auth_methods":[],"has_free_tier":false,"known_gotchas":["Input format/grammar may be strict (e.g., allowed characters, operator precedence, floating-point vs integer handling).","MCP tool schemas may be incomplete; agents may guess parameter names/types if examples aren’t provided.","No documented guidance on retries/timeouts for malformed expressions or internal errors."],"error_quality":0.0}