BlackVeil DNS & Email Security Scanner alternatives
12 MCP servers, A2A agents and x402 APIs that also do email, security & trust, ranked by how much they overlap with BlackVeil DNS & Email Security Scanner (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| BlackVeil DNS & Email Security Scanner (this one) | MCP server | Yes | – | – |
| IntoDNS.ai DNS & Email Security Scanner | MCP server | Yes | – | – |
| Limitguard Lead Verification | MCP server | Yes | – | – |
| compliapi.com | x402 paid API | Yes | 4 | – |
| factline.dev | x402 paid API | Yes | 12 | – |
| HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Sto… | MCP server | Yes | – | – |
| Rooms paid tools (x402) | x402 paid API | Yes | 7 | – |
| Trust Check | A2A agent | Yes | 4 | – |
| Validate Agent | A2A agent | Yes | 12 | – |
| SanctionsKit developer MCP | MCP server | Yes | – | – |
| AIS CVE Priorities — daily exploit-ranked patch list for AI agents | MCP server | Yes | 4 | 80/100 |
| NPM Sentinel MCP | MCP server | Yes | – | 55/100 |
| Agent Bazaar | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- IntoDNS.ai DNS & Email Security Scanner Live MCP
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
MCP server · ai.intodns · also does email, security & trust
- Limitguard Lead Verification Live MCP
Lead validation over MCP: KVK/KBO register, EU VAT, sanctions and email checks with sources.
MCP server · ai.limitguard.api · also does email, security & trust
- compliapi.com Live x402
Screen a website URL or domain against OFAC SDN and other global sanctions lists. Call before paying, advertising on, or integrating with a website to check for sanctions associations. Returns per-list matches with sour…
x402 paid API · 4 endpoints · also does email, security & trust
- factline.dev Live x402
Use when you need to check that a Dutch address exists or get its exact spelling and coordinates: official BAG address from postcode + house number or free text, latitude/longitude, BAG ids, municipality, province and C…
x402 paid API · 12 endpoints · also does email, security & trust
- HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Sto… Live MCP
70+ pay-per-call tools for AI agents: web search, email verify, KYC, stocks, crypto, news, data
MCP server · io.github.Its-fortunatefolly · also does email, security & trust
- Rooms paid tools (x402) Live x402
7 pay-per-call lookups for agents, paid with USDC on Base over x402, no account or key: x402 trust check, Rooms agent verification, Wallet snapshot, ERC-20 token facts, ENS resolve, Web page to markdown, Email address c…
x402 paid API · Rooms by Aurmada · 7 endpoints · also does email, security & trust
- Trust Check Live A2A
Due diligence for agents. Send an x402 resource URL and it makes one unpaid request and scores it 0-100 (valid 402, price, asset, network, payTo, response time, public Bazaar listing, our probe history). Send a Rooms @h…
A2A agent · Rooms by Aurmada · 4 skills · also does email, security & trust
- Validate Agent Live A2A
Security and data-quality guardrails for AI agents. Stop prompt injections before they reach your LLM. Strip PII to stay compliant. Sanitize untrusted HTML without installing dependencies. Validate emails, URLs, JSON sc…
A2A agent · Validate Agent · 12 skills · also does email, security & trust
- SanctionsKit developer MCP Live MCP
Sanctions API docs and request validation, with account-linked synthetic sandbox testing.
MCP server · io.github.SanctionsKit · also does security & trust
- AIS CVE Priorities — daily exploit-ranked patch list for AI agents Live MCP
Daily CVE priorities ranked by real exploitation (KEV+EPSS) for AI agents; free teaser, paid full
MCP server · ai.aislabs · 4 tools · check 80/100 · also does security & trust
- NPM Sentinel MCP Live MCP
Provide AI-powered real-time analysis and intelligence on NPM packages, including security, dependencies, performance, and quality metrics. Enable faster and safer package management decisions by integrating with Claude…
MCP server · Nekzus · check 55/100 · also does security & trust
- Agent Bazaar Live MCP
Open, permissionless discovery marketplace for x402-payable resources. No account or KYC required.
MCP server · io.github.SaylorInnovations · also does security & trust