MCP servers with a high-severity advisory

Servers carrying at least one applicable advisory rated HIGH. A server can appear under several severities — these pages list every server holding an advisory at the named level, not a single worst-rating bucket.

98 servers tracked browse the full catalogue →

mcpso awslabs/mcp

awslabs

Open source MCP Servers for AWS

stdio E 356t

github memtomem/memtomem

memtomem

Markdown-first, long-term memory infrastructure for AI agents. Hybrid BM25 + semantic search across markdown/code files via MCP.

stdio D 100t

mcpso sooperset/mcp-atlassian

sooperset

MCP server for Atlassian tools (Confluence, Jira)

stdio E 96t

github IBM/mcp-context-forge

IBM

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

stdio E 61t

github pipeboard-co/meta-ads-mcp

pipeboard-co

Meta Ads (Facebook/Instagram) MCP server for Claude, ChatGPT, Perplexity & Cursor — the Meta node of Pipeboard’s 5-platform family (+ Google, TikTok, Snap, Reddit). Hosted remote MCP, badged Meta Business Partner, free plan — no self-hosting required.

stdio D 42t

github electerm/electerm

electerm

📻Free and open-sourced terminal/ssh/sftp/ftp/telnet/serialport/RDP/VNC/Spice client(Linux, Mac, Windows, Android, HarmonyOS, iOS)

stdio E 40t

github strands-agents/tools

strands-agents

A set of tools that gives agents powerful capabilities.

streamable-http E 37t

mcpso mobile-next/mobile-mcp

mobile-next

Model Context Protocol Server for Mobile Automation and Scraping (iOS, Android, Emulators, Simulators and Real Devices)

stdio C 32t

github appium/appium-mcp

appium

Intelligent MCP server providing AI assistants with powerful tools and resources for Appium mobile automation

stdio C 30t

github sonirico/mcp-shell

sonirico

Give hands to AI. MCP server to run shell commands securely, auditably, and on demand.

stdio C 29t

mcpso modelcontextprotocol/servers

modelcontextprotocol

no description

stdio D 25t

github sammyjdev/axon

sammyjdev

Agent-agnostic context engine that gives AI coding agents continuous memory across sessions, tools, and machines.

stdio C 24t

github ondata/ckan-mcp-server

ondata

MCP server for querying CKAN open data portals (package search, DataStore SQL, organizations, groups, tags)

stdio D 20t

github seabearDEV/Reverie

seabearDEV

A command-line information store for quick reference of frequently used data, with dot notation paths, shell completions, and MCP server for AI agent integration.

stdio D 19t

github icip-cas/PPTAgent

icip-cas

An Agentic Framework for Reflective PowerPoint Generation

stdio D 18t

github CakeRepository/1Password-MCP

CakeRepository

1Password MCP server used for storing passwords create separate vault please

stdio C 15t

github verygoodplugins/whatsapp-mcp

verygoodplugins

WhatsApp MCP server - Connect Claude to WhatsApp for reading and sending messages

stdio A 15t

github yantrikos/yantrikdb

yantrikos

Cognitive memory engine for AI agents — temporal decay, contradiction detection, autonomous consolidation, knowledge graph, ANN recall via HNSW. Embeddable Rust library with Python bindings; powers yantrikdb-server (HTTP gateway, MCP server, openraft cluster). Apache-2.0.