toolgrep / MCP servers / DemiSignal MCP server
Alternatives to DemiSignal MCP server
DemiSignal MCP server: MCP server for checking a domain's SPF, DKIM and DMARC records and generating SPF and DMARC records from an AI assistant. 8 products similar to DemiSignal MCP server, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 7 of 8 have an API, 6 of 8 offer an MCP server.
- Domain Intelligence MCP Server
Hosted MCP server with WHOIS/RDAP, DNS, SSL, subdomain and SPF/DMARC/DKIM lookup tools for AI agents.
- DomainCanary
DMARC enforcement without blocking your mail
- Auth Posture
One-call email domain audit API
- Mail-Tester
Test your emails for spam score and configuration problems
- Suped
All-in-one DMARC platform
- BacklinkMCP
Free MCP server for SEO & backlink data
- dkimvalidator.com
Email validator that checks DKIM, SPF validity and SpamAssassin score by sending an email to any address @dkimvalidator.com.
- DechoNet
Phishing link check and domain security scoring with evidence
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| DemiSignal MCP server | Freemium | yes | yes | yes | no | no |
| Domain Intelligence MCP Server | Freemium | yes | yes | yes | — | — |
| DomainCanary | Freemium · from $0 | yes | yes | yes | — | no |
| Auth Posture | Freemium · from $5/month | yes | yes | yes | — | — |
| Mail-Tester | Freemium | yes | yes | no | no | no |
| Suped | Freemium | yes | yes | yes | — | no |
| BacklinkMCP | Freemium | yes | yes | yes | no | no |
| dkimvalidator.com | Free | yes | no | no | no | no |
| DechoNet | Freemium | yes | yes | yes | no | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
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