"Proton VPN" matching MCP servers:

Enables MCP clients to read and search Proton Mail and create draft-only emails with attachments through the local Proton Mail Bridge, while requiring out-of-band human approval before a draft can be committed.

A secure MCP server for managing OPNsense firewalls through AI assistants. Provides 81 tools across system, firewall, network, DNS, DHCP, VPN, HAProxy, services, diagnostics, and security domains.

Baryon connects MCP-compatible AI assistants to Proton Mail through a local bridge, enabling email search, reading, attachment handling, and draft creation while enforcing deliberate permission limits. It runs locally and cannot send, delete, or modify mail.

Enables LLMs to decode Vehicle Identification Numbers and look up vehicle makes, models, years, and specifications offline using a curated NHTSA vPIC database.

MCP server for Tenable.io/One Vulnerability Management that provides read-only tools for querying scans, assets, plugins, and vulnerabilities, plus specialized reporting tools for VPR re-prioritization, CISA KEV/EPSS exposure, and scan delta comparisons.

Provides a JSON-RPC MCP server that exposes policy-governed agent tools, including paid tools, tool muxing, and OpenAPI-to-MCP conversion, enabling agents to discover, coordinate, and execute tasks within the ProtoOS ecosystem.

An MCP server that provides tools for evaluating Reverse Polish Notation (RPN) expressions and managing a calculator stack. It supports standard arithmetic operators along with stack operations like duplicate, swap, and clear.

MCP server for SAP SuccessFactors that provides 52 tools across 15 categories for querying live data, generating business rules, validating imports, running analytics, comparing instances, auditing data, and building cutover checklists.

Enables Google Flights search, complete outbound/return itinerary pairing, deterministic ranking, exact booking-link generation, and Playwright-based price and itinerary verification through MCP tools.

Lets MCP clients inspect and change FortiOS configuration through the FortiOS REST API — policies, address and service objects, routes, VIPs, DHCP, VPN, users, security profiles, live sessions and logs — across multiple firewalls from one server. All device-changing tools stay disabled until writes are explicitly enabled, keeping the server read-only by default.

Enables AI agents to manage Base.vn employees, departments, projects, tasks, and work reports through standardized MCP tools.

A spec-driven MCP server that exposes the entire Freebox OS API as ~230 MCP tools, enabling control of your Freebox Server (LAN, wifi, PVR, VPN, etc.) through any MCP client.