io.github.payware/mcp-server
payware
payware A2A payments API for merchants, ISVs and payment institutions
alive probed 2026-10-15
72tools
42ktokens in Claude Opus 5.5
43ktokens in Claude Code
21.2 %of a 200k context window
24ko200k_base estimate
908 msto initialize
17 msto list tools
- Run it
- npx -y @payware/mcp-server@1.5.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- payware-mcp-server-merchant 1.0.0
- Capabilities
- 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/payware/mcp-server
- Website
- https://payware.eu/en/for-developers
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| payware_operations_create_transaction | 2 139 | 9 % |
| payware_operations_simulate_callback | 948 | 4 % |
| payware_operations_process_transaction | 932 | 4 % |
| payware_operations_get_transaction_status | 884 | 4 % |
| payware_products_replace_airings | 872 | 4 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.payware/mcp-server)
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.