uml.singsk.com PlantUML
Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth.
使うべきか
品質と安全性
ツール定義とプロトコルへの準拠に関する自動分析に基づいています。
コンテキストコスト
これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。
インストール
ワンクリックインストール
これを `claude_desktop_config.json` ファイルに追加してください:
{
"mcpServers": {
"uml-plantuml": {
"url": "https://uml.singsk.com/mcp"
}
}
}リモートエンドポイント
https://uml.singsk.com/mcpstreamable-httpできること
ツール一覧
ツール（6）
⚪render_diagram(text, format)
Render PlantUML source text to a diagram image. Returns a PNG image block (format "png") or the SVG markup as text (format "svg", default), plus the shareable render URL. The source is validated first: on a syntax error the result is an error object with line, column, hint and a help link so you can fix the diagram and retry.
入力スキーマ
{
"type": "object",
"properties": {
"text": {
"type": "string",
"description": "PlantUML source including @startuml ... @enduml (or the matching @start/@end pair)"
},
"format": {
"type": "string",
"enum": [
"svg",
"png"
],
"default": "svg"
}
},
"required": [
"text"
]
}🟢validate_diagram(text)
Check PlantUML source without rendering. Returns {ok:true, diagram_type} or {ok:false, error:{code, message, line, column, source_line, hint, diagram_type_detected, help}}. Cheap - call it in a generate -> validate -> fix loop before rendering.
入力スキーマ
{
"type": "object",
"properties": {
"text": {
"type": "string"
}
},
"required": [
"text"
]
}🟡encode_source(text)
Encode PlantUML source into a URL token and ready-to-use share/render URLs (svg + png). The result carries url_ok: GET URLs only work while the token is at most 16000 characters; when url_ok is false do not share the URLs - render with render_diagram instead (it uses the POST API, no size limit up to 5 MB). Tokens use PlantUML's own 64-character alphabet ("0-9 A-Z a-z - _") over raw DEFLATE. This is NOT base64 - never encode or decode tokens with a base64 codec; use encode_source / decode_token.
入力スキーマ
{
"type": "object",
"properties": {
"text": {
"type": "string"
}
},
"required": [
"text"
]
}⚪decode_token(encoded)
Recover the PlantUML source from a token or from any PlantUML render URL (the token is extracted automatically). Tokens use PlantUML's own 64-character alphabet ("0-9 A-Z a-z - _") over raw DEFLATE. This is NOT base64 - never encode or decode tokens with a base64 codec; use encode_source / decode_token.
入力スキーマ
{
"type": "object",
"properties": {
"encoded": {
"type": "string",
"description": "Token or full render URL"
}
},
"required": [
"encoded"
]
}🟢list_diagram_types
List the 22 supported diagram/reference types with a one-line description and the local syntax reference URL for each. Use it to pick the right @start directive.
入力スキーマ
{
"type": "object",
"properties": {}
}🟢get_syntax_reference(type)
Get the syntax reference entry for one diagram type: description, a render-verified example, and the help page URL. Use it to ground diagram generation.
入力スキーマ
{
"type": "object",
"properties": {
"type": {
"type": "string",
"description": "Type id or label, e.g. \"sequence\", \"class\", \"mindmap\", \"gantt\", \"json\""
}
},
"required": [
"type"
]
}コミュニティ
エビデンス