{"id":"rubyonai-mcp-on-ruby","name":"mcp_on_ruby","af_score":67.0,"security_score":62.8,"reliability_score":32.5,"what_it_does":"Provides a Ruby/Rails integration that exposes a Rails app as a Model Context Protocol (MCP) server, letting you publish application tools (callable functions with JSON Schema input validation) and resources (URI-templated data exposure) over an HTTP/JSON-RPC style transport, with configurable authentication, rate limiting, and security protections.","best_when":"You have a Rails application and want to make selected server-side operations/data accessible to MCP-compatible AI clients with built-in validation and access controls.","avoid_when":"You need a fully documented, spec-complete MCP transport plus mature real-time (SSE) support; the README suggests SSE is foundational but not fully implemented.","last_evaluated":"2026-03-30T13:47:17.801054+00:00","has_mcp":true,"has_api":false,"auth_methods":["Token authentication (MCP_AUTH_TOKEN)","Per-tool/resource authorize(context) hooks (custom authorization logic)"],"has_free_tier":false,"known_gotchas":["SSE/real-time is described as 'foundation (full implementation coming soon)', so agents should not rely on complete SSE behavior.","Tool/resource behavior depends on developer-provided authorize(context) logic; incorrect authorization can cause either overexposure or denial of service to the agent."],"error_quality":0.0}