{"id":"jlumbroso-passage-of-time-mcp","name":"passage-of-time-mcp","af_score":44.5,"security_score":30.0,"reliability_score":25.0,"what_it_does":"Provides an MCP server (FastMCP-based) exposing time-related tools for LLMs: current datetime, timestamp parsing, time differences/since, contextual time-of-day/weekend/business hours, adding time, and formatting durations. Runs an SSE transport endpoint.","best_when":"Used locally or behind a trusted reverse proxy for interactive LLM tooling where time calculations are needed.","avoid_when":"Avoid exposing the server publicly without access controls, rate limiting, and TLS termination managed by the deployer.","last_evaluated":"2026-03-30T13:25:51.391990+00:00","has_mcp":true,"has_api":false,"auth_methods":["None described in README (no auth/keys mentioned)"],"has_free_tier":false,"known_gotchas":["SSE transport is called out as deprecated; tooling/clients may need to handle transport quirks.","Server expects strict timestamp formats; invalid formats may cause tool failures (format requirements listed).","Server requires a public URL for web-based clients (ngrok/reverse proxy).","No persistent memory of past time calculations is provided (agent must manage state if needed).","If exposed without auth, consider that any MCP client could query the tools."],"error_quality":0.0}