{"id":"antoinebou12-uml-mcp","name":"uml-mcp","af_score":55.2,"security_score":39.8,"reliability_score":40.0,"what_it_does":"A Python MCP server that generates diagrams (UML via PlantUML and others via Kroki/related renderers) from natural language and/or provided diagram code, exposing tools and resources through MCP and an HTTP endpoint (including a FastAPI app with `/mcp` for hosted use).","best_when":"You want an MCP-compatible diagram-generation workflow where an agent can call `generate_uml` / `generate_diagram_url` and receive render outputs with fallback across multiple rendering backends.","avoid_when":"You need strong, documented security controls for public deployments (auth, rate limiting, data retention) or you cannot rely on third-party rendering endpoints.","last_evaluated":"2026-03-30T13:50:57.699207+00:00","has_mcp":true,"has_api":true,"auth_methods":[],"has_free_tier":false,"known_gotchas":["Rendering backends are external/variable (Kroki first with fallback). Agents should expect occasional failures or slow responses due to upstream services.","Some operations may write to disk when `output_dir` is provided; use `generate_diagram_url` to avoid file writes in environments where disk access is restricted.","Output format/behavior can vary by diagram type and backend support (e.g., which formats are available)."],"error_quality":0.0}