io.github.SolvoHQ/openunfurl
openunfurl
Zero-signup anonymous link-unfurl API. One GET returns clean JSON metadata for any public URL.
alive probed 2026-10-05 · HTTP 200
1tools
144tokens in Claude Opus 5.5
154tokens in Claude Code
<0.1 %of a 200k context window
86o200k_base estimate
376 msto initialize
56 msto list tools
- Endpoint
- https://openunfurl.vercel.app/api/mcp (streamable-http)
- Host
- openunfurl.vercel.app
- Protocol
- 2025-11-25
- Reports itself as
- openunfurl 0.1.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/SolvoHQ/openunfurl
- Registry
- active, updated 2026-05-17 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| unfurl | 86 | 100 % |
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 14:27 | alive | 376 ms | 1 | 144 | 86 |
| 2026-10-05 00:31 | alive | 217 ms | 1 | 86 | |
| 2026-10-04 10:03 | alive | 2.4 s | 1 | 86 | |
| 2026-10-04 07:56 | alive | 2.5 s | 1 | 86 | |
| 2026-10-03 20:36 | alive | 1.9 s | 1 | 86 | |
| 2026-10-03 17:52 | alive | 590 ms | 1 | 86 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.SolvoHQ/openunfurl)
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.