io.github.adewale/agentic-mermaid
Agentic Mermaid
Render, verify, describe, and safely edit Mermaid diagrams through MCP.
alive probed 2026-10-05 · HTTP 200
9tools
87ktokens in Claude Opus 5.5
87ktokens in Claude Code
43.5 %of a 200k context window
44ko200k_base estimate
1.0 sto initialize
827 msto list tools
- Endpoint
- https://agentic-mermaid.dev/mcp (streamable-http)
- Host
- agentic-mermaid.dev
- Protocol
- 2025-11-25
- Reports itself as
- agentic-mermaid-hosted 0.4.1
- Capabilities
- tools
- Instructions
- 1 223 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/adewale/agentic-mermaid
- Website
- https://agentic-mermaid.dev/
- Registry
- active, updated 2026-07-31 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| render_png | 13 197 | 30 % |
| render_svg | 12 741 | 29 % |
| render_ascii | 12 664 | 29 % |
| execute | 4 110 | 9 % |
| mutate | 285 | 1 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 14:30 | alive | 1.0 s | 9 | 87k | 44k |
| 2026-10-05 00:31 | alive | 651 ms | 9 | 44k | |
| 2026-10-04 10:03 | alive | 1.1 s | 9 | 44k | |
| 2026-10-04 07:57 | alive | 627 ms | 9 | 44k | |
| 2026-10-03 20:36 | alive | 810 ms | 9 | 44k | |
| 2026-10-03 17:52 | alive | 1.1 s | 9 | 44k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.adewale/agentic-mermaid)
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.