io.github.blueprint-chart/mcp
Blueprint Chart
The open chart format an LLM writes and the browser renders — to interactive, accessible SVG.
alive probed 2026-10-15
11tools
3.0ktokens in Claude Opus 5.5
3.0ktokens in Claude Code
1.5 %of a 200k context window
1.7ko200k_base estimate
2.1 sto initialize
30 msto list tools
- Run it
- npx -y @blueprint-chart/mcp@0.2.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- @blueprint-chart/mcp 0.2.1
- Capabilities
- prompts, resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/blueprint-chart/mcp
- Website
- https://blueprintchart.com
- Registry
- active, updated 2026-08-29 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| render | 493 | 29 % |
| export_chart | 211 | 12 % |
| recommend_chart_type | 198 | 12 % |
| describe_chart_type | 140 | 8 % |
| search_examples | 133 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.blueprint-chart/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.