"Y Combinator" matching MCP servers:

See which process holds a local port and who started it, find free ports, wait for services, and stop a dev server safely. Fixes "port already in use" (EADDRINUSE) for AI coding assistants. Never stops system processes; Docker and WSL ports get the right stop command. Run with: npx -y portcheck-cli mcp

MCP server for administering wg-easy (WireGuard Easy) instances, enabling listing, creating, updating, enabling/disabling, and deleting WireGuard clients, fetching configs and QR codes, and inspecting server status via the wg-easy REST API.

Diagnoses a domain's email authentication — SPF, DMARC, DKIM, MX, blacklists and domain or SSL expiry - and returns copy-paste fix records generated by a validating engine, never a language model. The MCP server is hosted remotely; this repository carries the plugin manifest, connector config and bundled skill.

Checks and fixes a domain's email authentication (SPF, DKIM, DMARC), DNS health, propagation, blacklists and domain/SSL expiry, returning copy-paste fix records from a validating engine, never a model guess. Local stdio server (npx -y @dnsdoctor/mcp) with the same 27 tools as the hosted https://dnsdoctor.dev/mcp.

An MCP server for managing Hetzner DNS zones and RRSets via the Hetzner Cloud API. It enables listing, creating, updating, deleting, importing/exporting zone files, and managing protection and TTLs from MCP clients.

Exposes N-able N-central REST API as MCP tools for managing devices, organizations, users, and more, with support for read-only, write, and full write modes.

Enables local UniFi Network inspection and management through MCP, providing typed read-only inventory of sites, devices, clients, and networks, with preview-first, explicitly confirmed device rename and LED locate operations.

Enables AI assistants to read-only monitor iStoreOS/OpenWRT routers via SSH or HTTP/ubus API, providing 31 tools for system status, network info, logs, and plugin status (OpenClash, Passwall, AdGuardHome, etc.).

Enables AI assistants to discover devices and perform connectivity diagnostics across a private Tailscale or WireGuard mesh through authenticated CLI or REST API backends. Supports safe dry-run simulations before affecting live node state.

MCP server for managing Tencent Cloud Lighthouse servers, enabling natural language control of instances, firewall rules, monitoring, and more.

MCP server for checking reachability of nodes inside an Xray subscription by fetching subscription URLs, parsing nodes, running TCP probes, and exposing tools for scheduled monitoring.

An MCP server that enables Claude and other LLM agents to manage and monitor Pexip Infinity deployments through natural language, with 122 tools for configuration, status, history, and command operations.

Lets Claude or any MCP client manage a Fortinet FortiGate firewall through the FortiOS 7.6 REST API, covering firewall policies, NAT and port forwards, DNS and DHCP, application control, certificates, and live traffic and logs. It adds read-only and dry-run guardrails, clear FortiOS error explanations, and optional k3s and Proxmox integrations that keep firewall objects in sync with clusters and hypervisors.

A complete MCP server for Fortinet FortiOS 7.6.x that exposes the entire REST API as typed MCP tools for use with MCP-compatible clients like Claude Desktop.

Enables managing MikroTik RouterOS devices via natural language, with read-heavy network inspection and guarded write access across multiple routers.

MCP server for Porkbun domains and DNS, enabling read-only and mutating operations with safety features like dry-run and write mode toggle.

Enables managing your Starlink terminal fleet through Claude AI using the Starlink Enterprise API, supporting terminal management, telemetry, data usage, and service line operations.

Enables AI agents to browse N-able N-central RMM data such as org unit hierarchies, devices, assets, lifecycle and service status, active issues, scheduled tasks, custom properties, maintenance windows and access groups. On explicit request it also performs writes — running scripts or automation policies on a device, changing custom properties or lifecycle data, adding or deleting maintenance windows, and creating device or org unit access groups.

Enables AI agents to interact with local H3C Cloud Lab network simulation environments, allowing discovery of projects, devices, and links, as well as execution of Comware CLI commands.

Enables AI agents to search for, purchase, connect, and verify custom domains end to end, including setting up email records, configuring forwarding, diagnosing drift, and confirming TLS issuance without handling DNS records directly. It offers twelve hosted tools covering domain availability, registration orders, provider discovery, and account-wide connection inventory.

Enables querying Komari panels for live and historical host metrics, probe tasks, themes, and plugins, and updating asset fields such as expiry dates and traffic quotas with read-back verification. Supports multiple accounts with isolated subprocesses and works with Cursor, DSH, and Codex clients over stdio.

Enables AI assistants to analyze network configuration snapshots with Batfish by running 60 curated questions, assertions, failure-diff forks, and layer 3/routing topology queries.

Enables AI assistants to audit company domains for Trust Center platforms, compliance certifications, disclosed sub-processors, DNS identity and security records, email hardening, and live status-page health. It supports single-domain and parallel batch audits with structured risk scores and GRC summaries.

Enables LLM agents to triage network incidents by fetching device telemetry, inspecting syslogs, and executing traffic reroutes through MCP tools.

Enables remote MCP access to Tencent Cloud DNSPod DNS management through Cloudflare Workers, with OAuth authorization and support for domain and record operations.

Enables AI agents to inspect and control Proxmox VE clusters through the full API, with optional SSH/LXC command execution, read-only by default and writes gated behind explicit authorization.

Enables AI agents to analyze PCAP files for network forensics using Wireshark/tshark, providing high-performance packet inspection, filtering, and protocol analysis through the Model Context Protocol.

Enables MCP clients to query homelab infrastructure such as Proxmox VE, NetBox, systemd services, Grafana, InfluxDB, AdGuard Home, ping logs, and configured HTTP JSON endpoints through read-only tools.

MCP server for interacting with iKuai routers, enabling Claude to query system status, manage devices, and configure router settings via natural language.

Connects Claude to OpenNMS, allowing plain language interaction with alarms, nodes, events, asset records, categories, and service collection.

Enables natural language interaction with telecom network operations data via MCP, providing read-only insights and role-gated write operations such as bandwidth upgrades, with progress tracking and human-in-the-loop elicitation.

MCP server for executing show commands and managing Cisco IOS-XE network devices via async SSH using Scrapli.

Enables AI agents to interact with Cisco IOS-XE network devices over SSH using structured tools. Provides read and write capabilities for network management with built-in validation and security.

MCP server that wraps the VSA X API to enable querying and managing devices, assets, organizations, and rate limits, with centralized configuration and authentication forwarding.

Production-grade MCP server that exposes the complete HPE Aruba Networking Central REST API as 90 tools across 19 categories, enabling AI assistants to manage Aruba Central networks.

Enables AI agents to manage VPN infrastructure through provisioning, lifecycle control, traffic routing, and health monitoring.

Read-only MCP server for CometBFT/Cosmos validator operators: checks signing liveness and downtime-jail risk, diagnoses chain halts (who isn't voting), and reports peer topology and upgrade readiness. Keyless and GET-only, with node IPs masked by default.

A local MCP server for interacting with a network lab, supporting read-only and configuration tools for devices like Arista EOS switches.

Enables interacting with the HetrixTools API v3 to manage blacklists, uptime monitors, status pages, scheduled maintenance, and server agents via natural language.

MCP server for the Cloudflare API v4, written in Go. Exposes 28 read tools across zones, DNS, WAF/firewall, rate limits, HTTP request logs, Security Center, and threat intelligence.