dev.mailverdict/mailverdict
mailverdict
Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.
alive probed 2026-10-05 · HTTP 200
2tools
318tokens in Claude Opus 5.5
338tokens in Claude Code
0.2 %of a 200k context window
187o200k_base estimate
222 msto initialize
117 msto list tools
- Endpoint
- https://api.mailverdict.dev/mcp (streamable-http)
- Host
- api.mailverdict.dev
- Protocol
- 2025-11-25
- Reports itself as
- mailverdict 0.1.1
- 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/mailverdict/mailverdict
- Registry
- active, updated 2026-07-07 · registry entry
- Reachable
- 5 of the last 5 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| check_email | 112 | 60 % |
| check_domain | 75 | 40 % |
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 00:24 | alive | 222 ms | 2 | 318 | 187 |
| 2026-10-04 10:00 | alive | 372 ms | 2 | 187 | |
| 2026-10-04 07:53 | alive | 349 ms | 2 | 187 | |
| 2026-10-03 20:33 | alive | 361 ms | 2 | 187 | |
| 2026-10-03 17:50 | alive | 546 ms | 2 | 187 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.mailverdict/mailverdict)
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.