com.mermaidchart/mermaid-mcp
com.mermaidchart/mermaid-mcp
MCP server for Mermaid diagram validation and rendering
needs auth probed 2026-10-06 · HTTP 401 · Bearer
Streamable HTTP error: Error POSTing to endpoint: {"jsonrpc":"2.0","error":{"code":-32001,"message":"Unauthorized","data":{"error":"unauthorized","error_descrip- Endpoint
- https://mcp.mermaidchart.com/mcp (streamable-http)
- Host
- mcp.mermaidchart.com
- Repository
- https://github.com/Mermaid-Chart/mermaid-mcp
- Registry
- active, updated 2025-09-18 · registry entry
- Reachable
- 7 of the last 7 probes
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-06 10:51 | needs auth | ||||
| 2026-10-05 13:26 | alive | 860 ms | 25 | 9.6k | 5.4k |
| 2026-10-05 00:17 | alive | 510 ms | 25 | 5.4k | |
| 2026-10-04 09:57 | alive | 1.8 s | 25 | 5.4k | |
| 2026-10-04 07:50 | alive | 1.8 s | 25 | 5.4k | |
| 2026-10-03 20:30 | alive | 1.1 s | 25 | 5.4k | |
| 2026-10-03 17:48 | alive | 973 ms | 25 | 5.4k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.mermaidchart/mermaid-mcp)
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.