What Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL does
Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL is listed as a Security MCP server for performing several independent checks related to wallets, domains, email, and URLs. Its stated functions include screening a wallet against OFAC-related sanctions data, looking up DNS information, checking email authentication, determining domain age, verifying an email address, and expanding a shortened URL.
The service is intended for agents that need external preflight signals before taking an action. For example, an agent could use the listed checks when evaluating a payment wallet, reviewing a domain, inspecting email trust signals, or resolving a shortened link. The supplied description does not define the output fields, match behavior, lookup sources, or error responses.
Tools and capabilities
The advertised operations are:
- OFAC wallet screening
- DNS lookup or inspection
- Email authentication checking
- Domain-age checking
- Email verification
- URL unshortening
These capabilities cover different kinds of input, so an implementation should select the relevant check rather than assume that one operation performs a full risk assessment. The material does not state whether the service combines results, preserves request history, or returns a single preflight score.
Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL is billed at $0.01 per call using x402. That price applies to the stated call model; the available source does not explain payment configuration, supported currencies, retry behavior, or whether failed requests are charged.
How it works
The listed source is an llms.txt endpoint at https://sdn-screen-x402.sdnscreen.workers.dev/llms.txt. The supplied listing identifies the service as an MCP server and describes its checks as callable operations, but it does not provide protocol, transport, authentication, request, or response documentation. Developers should consult the live source before implementing a client or mapping operations to agent tools.
Limitations and notes
The README is unavailable for this listing. Consequently, the following details are not established by the provided material: installation steps, MCP transport, client compatibility, required environment variables, tool schemas, input validation, rate limits, data retention, geographic coverage, and license terms.
Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL should therefore be evaluated first against the live endpoint and its current machine-readable documentation. The description confirms the categories of checks and the x402 price, but it does not support claims about the accuracy, completeness, latency, or legal interpretation of any result. OFAC screening, email verification, and domain or URL checks should not be treated as equivalent to a broader security review without additional documentation.