com.demisignal/mcp
DemiSignal
Check a domain's DMARC, SPF, DKIM, MX, BIMI and MTA-STS records. Generate SPF and DMARC records.
alive probed 2026-10-15 · HTTP 200
3tools
1.2ktokens in Claude Opus 5.5
1.2ktokens in Claude Code
0.6 %of a 200k context window
708o200k_base estimate
546 msto initialize
189 msto list tools
- Endpoint
- https://demisignal.com/mcp?utm_source=mcp-registry (streamable-http)
- Host
- demisignal.com
- Protocol
- 2025-11-25
- Reports itself as
- DemiSignal 1.0.0
- Capabilities
- prompts, resources, tools
- Instructions
- 255 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Website
- https://demisignal.com/tools/mcp-server?utm_source=mcp-registry&utm_medium=mcp-directory
- 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 |
|---|---|---|
| generate_spf_record | 325 | 46 % |
| generate_dmarc_record | 260 | 37 % |
| check_domain | 123 | 17 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.demisignal/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.