"Let's Encrypt" matching MCP servers:

A standalone MCP server for managing SSL/TLS certificates across FortiGate, Windows, Linux, and Fortinet devices using Let's Encrypt with Cloudflare DNS-01 challenges.

Let's your agent access the heroku platform

Slim OPNsense MCP Server — 62 tools for managing firewall infrastructure via the OPNsense REST API. Covers DNS/Unbound, Firewall rules, Diagnostics, Interfaces, DHCP (ISC + Kea), System/Backups, ACME/Let's Encrypt, and Firmware. No SSH, no shell, API-only with 3 runtime dependencies. AGPL-3.0 + Commercial dual-licensed.

Enables management of Nginx Proxy Manager instances for configuring proxy hosts, requesting Let's Encrypt SSL certificates, and managing access lists. It allows users to control their web proxy infrastructure through natural language commands in MCP-compatible environments.

Free SSL/TLS scanning and Let's Encrypt certificate issuance (private key stays local), plus certificate-expiry monitoring via one MCP server. Public scan and cert tools need no account.

Zerion MCP let's your agent analyze EVM and Solana wallets and summarize total portfolio value, top holdings, DeFi positions, recent transactions, PnL and more.

Enables document conversion and processing through MCP, including Office/PDF/Markdown conversions, OCR, and PDF operations like split, rotate, encrypt, and extract.