{"id":"tay3223-mcp-server-prometheus","name":"mcp-server-prometheus","af_score":49.0,"security_score":33.2,"reliability_score":23.8,"what_it_does":"Provides an MCP server that fronts a Prometheus instance so an MCP-capable client (e.g., Cursor) can query Prometheus for metrics, labels, targets, rules, and alert information using an API key for access control.","best_when":"You have a Prometheus endpoint you can access and you want a lightweight local MCP bridge for interactive monitoring queries in a developer workflow.","avoid_when":"You cannot ensure secure transport (TLS) and safe secret handling for the MCP server or you require strong, enterprise-grade auth/authorization and auditing.","last_evaluated":"2026-04-04T19:51:36.299687+00:00","has_mcp":true,"has_api":false,"auth_methods":["API key (X-API-Key header) for MCP server"],"has_free_tier":false,"known_gotchas":["MCP client configuration must correctly supply the MCP server URL and X-API-Key header; otherwise queries fail (e.g., 'unauthorized' per README).","Prometheus connectivity issues will surface as 'connection refused' style errors; agents may need to ensure network access/DNS/ports are correct."],"error_quality":0.0}