MCP servers with a medium-severity advisory

Servers carrying at least one applicable advisory rated MEDIUM. Worth reading alongside the permission surface on each server’s page: the same finding matters more on a server that reaches the filesystem or the network than on one that does not.

65 servers tracked browse the full catalogue →
awslabs

Open source MCP Servers for AWS

stdio E 356t
sooperset

MCP server for Atlassian tools (Confluence, Jira)

stdio E 96t
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
electerm

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

stdio E 40t
strands-agents

A set of tools that gives agents powerful capabilities.

streamable-http E 37t
ogham-mcp

Shared memory MCP server — persistent, searchable, cross-client Claude, Opencode

stdio C 31t
sonirico

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

stdio C 29t
modelcontextprotocol

no description

stdio D 25t
Wolfe-Jam

Persistent Project Context for Claude — IANA-registered .faf format · Core 14 MCP tools (30 with FAF_TOOLS=all) + 2 prompts · MCP Registry #2759

stdio B 23t
ondata

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

stdio D 20t
Wolfe-Jam

Persistent Project Context for xAI Grok — IANA-registered .faf format · MCP server on a URL

stdio B 19t
github fabionfsc/nuzo-memory verified — a relayed third-party claim (registry/vendor), not the observatory's own endorsement
fabionfsc

Local-first, auditable memory for Codex, Claude Code, and MCP-compatible AI agents.

stdio C 19t
icip-cas

An Agentic Framework for Reflective PowerPoint Generation

stdio D 18t
flipped-aurora

🚀Vite+Vue3+Gin拥有AI辅助的基础开发平台,企业级业务AI+开发解决方案,内置mcp辅助服务,内置skills管理,支持TS和JS混用。它集成了JWT鉴权、权限管理、动态路由、显隐可控组件、分页封装、多点登录拦截、资源权限、上传下载、代码生成器、表单生成器和可配置的导入导出等开发必备功能。

D 11t
SethGammon

The operating layer for Claude Code + OpenAI Codex: persistent project memory, intent routing, safety hooks, cost telemetry, and parallel agent fleets.

stdio C 9t
yamadashy

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

stdio D 8t
PrefectHQ

🚀 The fast, Pythonic way to build MCP servers and clients.

stdio E 7t
github compiler-explorer/compiler-explorer verified — a relayed third-party claim (registry/vendor), not the observatory's own endorsement
compiler-explorer

Compile code with thousands of compilers, inspect the assembly, and share godbolt.org links

streamable-http B 7t
jlowin

no description

stdio C 7t
github vshulcz/deja-vu verified — a relayed third-party claim (registry/vendor), not the observatory's own endorsement
vshulcz

One memory shared by Claude Code, Codex, Cursor, Copilot CLI, OpenClaw and 20 more coding agents, built from the session history already on disk. A fix found in one agent comes back in any of them, including months of sessions from before you installed it. No LLM, no embeddings, one local Go binary.

stdio B 7t