com.uxfront/open-components
Open Components
Guidelines for UI components with a perfect UX, DX and AX, whether humans or AI agents write them.
alive probed 2026-10-13 · HTTP 200
6tools
3.3ktokens in Claude Opus 5.5
3.4ktokens in Claude Code
1.7 %of a 200k context window
2.1ko200k_base estimate
1.1 sto initialize
869 msto list tools
- Endpoint
- https://mcp.opencomponents.dev/mcp (streamable-http)
- Host
- mcp.opencomponents.dev
- Protocol
- 2025-11-25
- Reports itself as
- open-components 1.0.0
- Capabilities
- completions, logging, prompts, resources, tools
- Instructions
- 1 979 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-13. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/uxfront-com/open-components
- Website
- https://opencomponents.dev/docs/getting-started/mcp-server
- Registry
- active, updated 2026-10-10 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| list-rules | 663 | 32 % |
| get-page | 407 | 20 % |
| search-docs | 318 | 15 % |
| get-contract | 247 | 12 % |
| get-reference-implementation | 237 | 11 % |
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 11:10 | alive | 409 ms | 6 | 3.3k | 2.1k |
| 2026-10-11 10:18 | alive | 1.1 s | 6 | 3.1k | 2.0k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.uxfront/open-components)
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.