io.github.tasuyoapp-ctrl/email-preflight
Email Preflight
Email preflight x402: $0.001 USDC on Base. MCP returns unpaid 402 only; no signing or payment.
error probed 2026-10-05 · HTTP 400
Streamable HTTP error: Error POSTing to endpoint: {"jsonrpc":"2.0","id":0,"error":{"code":-32020,"message":"Header mismatch"}}- Endpoint
- https://email-preflight-mcp.onrender.com/mcp (streamable-http)
- Host
- email-preflight-mcp.onrender.com
- Registry
- active, updated 2026-10-01 · registry entry
- Reachable
- 0 of the last 5 probes
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 00:56 | error | ||||
| 2026-10-04 10:07 | error | ||||
| 2026-10-04 08:00 | error | ||||
| 2026-10-03 20:40 | error | ||||
| 2026-10-03 17:55 | error |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.tasuyoapp-ctrl/email-preflight)
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.