{"id":"infobip-plantuml-mcp-server","name":"plantuml-mcp-server","af_score":62.0,"security_score":48.2,"reliability_score":35.0,"what_it_does":"Provides an MCP server that lets an agent generate PlantUML diagrams (e.g., sequence/class/C4) and return embeddable URLs or images, plus encode/decode PlantUML for URL sharing.","best_when":"You want an agent-friendly way to generate PlantUML diagrams inside an MCP-capable LLM client, using either the default public PlantUML service or your own PlantUML server.","avoid_when":"You cannot ensure safe handling of PlantUML features like !include or external libraries, or you need strong guarantees about SSRF/file access beyond the tool’s documented output path restrictions.","last_evaluated":"2026-03-30T15:27:49.382480+00:00","has_mcp":true,"has_api":false,"auth_methods":["No auth documented for the MCP server itself (uses environment variable for upstream PlantUML URL)"],"has_free_tier":false,"known_gotchas":["Tool relies on an external PlantUML server URL; availability/behavior depends on that upstream service","Using output_path requires directory allowlisting via PLANTUML_ALLOWED_DIRS; misconfiguration can cause failures","PlantUML features like !include may need additional upstream support and can complicate security/sandboxing"],"error_quality":0.0}