io.github.theluckystrike/dunning-letters
mcp-dunning-letters
Chase overdue invoices: reminder 1, reminder 2, final notice, escalation dates, aging.
alive probed 2026-10-15 · HTTP 200
11tools
3.4ktokens in Claude Opus 5.5
3.5ktokens in Claude Code
1.7 %of a 200k context window
2.0ko200k_base estimate
62 msto initialize
50 msto list tools
- Endpoint
- https://mcp.zovo.one/mcp/dunning-letters (streamable-http)
- Host
- mcp.zovo.one
- Protocol
- 2025-11-25
- Reports itself as
- mcp-dunning-letters 0.22.6
- Capabilities
- prompts, resources, 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/theluckystrike/mcp-servers
- Website
- https://mcp.zovo.one/s/dunning-letters
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 7 of the last 7 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| invoice_register | 465 | 23 % |
| letter_render | 281 | 14 % |
| payment_record | 214 | 11 % |
| letter_sent | 180 | 9 % |
| chase_today | 160 | 8 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-14 09:36 | alive | 101 ms | 11 | 3.4k | 2.0k |
| 2026-10-05 16:33 | alive | 62 ms | 11 | 3.4k | 2.0k |
| 2026-10-05 00:56 | alive | 44 ms | 11 | 2.0k | |
| 2026-10-04 10:07 | alive | 64 ms | 11 | 2.0k | |
| 2026-10-04 08:01 | alive | 34 ms | 11 | 2.0k | |
| 2026-10-03 20:40 | alive | 68 ms | 11 | 2.0k | |
| 2026-10-03 17:55 | alive | 58 ms | 11 | 2.0k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.theluckystrike/dunning-letters)
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.