com.singsk/uml-plantuml
uml.singsk.com PlantUML
Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth.
alive probed 2026-10-13 · HTTP 200
6tools
1.1ktokens in Claude Opus 5.5
1.2ktokens in Claude Code
0.5 %of a 200k context window
653o200k_base estimate
1.7 sto initialize
174 msto list tools
- Endpoint
- https://uml.singsk.com/mcp (streamable-http)
- Host
- uml.singsk.com
- Protocol
- 2025-06-18
- Reports itself as
- uml-singsk-plantuml 1.1.0.2
- Capabilities
- tools
- Instructions
- 455 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-13. Counted again when the tool definitions change. Method.
- Website
- https://uml.singsk.com/
- Registry
- active, updated 2026-08-30 · registry entry
- Reachable
- 3 of the last 10 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| encode_source | 157 | 24 % |
| render_diagram | 149 | 23 % |
| decode_token | 114 | 17 % |
| get_syntax_reference | 90 | 14 % |
| validate_diagram | 89 | 14 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-13 11:08 | alive | 1.7 s | 6 | 1.1k | 653 |
| 2026-10-09 11:12 | timeout | ||||
| 2026-10-08 11:06 | alive | 2.2 s | 6 | 1.1k | 653 |
| 2026-10-07 11:04 | timeout | ||||
| 2026-10-06 10:53 | alive | 1.7 s | 6 | 1.1k | 653 |
| 2026-10-05 00:20 | timeout | ||||
| 2026-10-04 09:58 | timeout | ||||
| 2026-10-04 07:52 | timeout | ||||
| 2026-10-03 20:32 | timeout | ||||
| 2026-10-03 17:49 | timeout |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.singsk/uml-plantuml)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.