5 tools from the Prospector MCP Server, categorised by risk level.
View the Prospector policy →check_domain Quick check if a domain can receive email. Verifies DNS MX records exist and detects catch-all servers. Does not count against your verification qu... find_emails Find email addresses for a business. Scrapes their website for contact info, generates pattern-based candidates from a contact name, and verifies a... verify_email Verify if an email address is valid and deliverable. Performs DNS MX lookup, SMTP handshake (without sending email), catch-all detection, and dispo... verify_emails_batch Verify multiple email addresses in a single batch (max 25). Returns verification status and confidence score for each. Efficient for cleaning outre... The Prospector MCP server exposes 5 tools across 2 categories: Read, Destructive.
Use Intercept, the open-source MCP proxy. Write YAML rules for each tool — rate limits, argument validation, or deny rules — then run Intercept in front of the Prospector server.
Prospector tools are categorised as Read (4), Destructive (1). Each category has a recommended default policy.
Open source. One binary. Zero dependencies.
npx -y @policylayer/intercept