Claude R Perrin

Send real faxes from any MCP-enabled AI assistant. Wraps the FaxDrop API (PDF/DOCX/JPG/PNG, international numbers, status polling) with rate limits, dry-run mode, audit logging, outbox jail, and 3-layer phone gate (TYPE → COUNTRY → per-number pairing).

Gmail MCP server with scope-gated tools (readonly / send / modify), path jails for attachments and downloads, hardened OAuth credentials, and Sigstore-signed releases. Read, search, send, draft, label, filter, and thread Gmail from any MCP-enabled AI assistant.

Mercury Banking MCP server with full Invoicing API support — first MCP to expose Mercury's accounts receivable endpoints. 34 tools covering banking, treasury, recipients, internal transfers, customers, recurring invoices, and webhooks. Built-in safeguards: dual-window rate limiti