io.github.aaronte/useqr-mcp
useqr-mcp
Static QR PNG/SVG for agents. Designer and dynamic codes live at useqr.co.
alive probed 2026-10-05 · HTTP 200
3tools
950tokens in Claude Opus 5.5
986tokens in Claude Code
0.5 %of a 200k context window
582o200k_base estimate
500 msto initialize
83 msto list tools
- Endpoint
- https://useqr.co/api/mcp (streamable-http)
- Host
- useqr.co
- Protocol
- 2025-11-25
- Reports itself as
- useqr 1.0.0
- Capabilities
- tools
- Instructions
- 518 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/aaronte/useqr-mcp
- Website
- https://useqr.co
- Registry
- active, updated 2026-09-04 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| generate_qr_code | 342 | 59 % |
| get_qr_designer_link | 139 | 24 % |
| create_dynamic_qr_code | 101 | 17 % |
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 | 500 ms | 3 | 950 | 582 |
| 2026-10-05 00:31 | alive | 692 ms | 3 | 582 | |
| 2026-10-04 10:03 | alive | 1.0 s | 3 | 582 | |
| 2026-10-04 07:57 | alive | 883 ms | 3 | 582 | |
| 2026-10-03 20:36 | alive | 805 ms | 3 | 582 | |
| 2026-10-03 17:52 | alive | 507 ms | 3 | 582 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.aaronte/useqr-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.