A Amazon MSK Managed Kafka cluster operations. by docker ✓ · mcp · 12 tools · installable Chat & MessagingMCP Servers A Artificial Intrusion Two-stage police case: win the analyst’s trust, then surface a secret from records. by selfmade ✓ · challenge · ready AI & LLM Security B Block Hunter A god manipulates a human to complete tasks through time travel. by selfmade ✓ · challenge · ready Miscellaneous D Docker Security Docker Escape Sequence by selfmade ✓ · challenge · builds on install Miscellaneous E Enchanted Wizardry Quest Embark on a Harry Potter-themed journey, unlock characters, and defeat enemies through mys by selfmade ✓ · challenge · ready Web ExploitationMiscellaneousSUID & Sudo F Firmware Frenzy A mystery with clues in pictures, solve it to get a promotion. by selfmade ✓ · challenge · builds on install Hardware & Firmware F Flight To Break by selfmade ✓ · challenge · ready Web ExploitationMiscellaneous G Gmail A Model Context Protocol server for Gmail operations using IMAP/SMTP with app password aut by docker ✓ · mcp · 3 tools · installable Chat & MessagingMCP Servers N Null by selfmade ✓ · challenge · builds on install Miscellaneous R RTOS Lab for Zephyr The Zephyr® Project strives to deliver the best-in-class RTOS for connected resource-const by selfmade ✓ · app · ready Embedded & FirmwareInternet of ThingsHardware & Electronics R Reddit This server provides AI agents with tools to fetch, post and search on Reddit. by docker ✓ · mcp · 6 tools · installable Chat & MessagingMCP Servers R Resend The official MCP server to send emails and interact with Resend. by docker ✓ · mcp · 1 tools · installable Chat & MessagingMCP Servers S Securenote.link SecureNote.link MCP Server - allowing AI agents to securely share sensitive information th by docker ✓ · mcp · 3 tools · installable Chat & MessagingMCP Servers S Slack (Archived) Interact with Slack Workspaces over the Slack API. by docker ✓ · mcp · 8 tools · installable Chat & MessagingMCP Servers T The Cyber Jallikattu Embark on a digital quest blending Tamil Nadu's heritage with cutting-edge cybersecurity c by selfmade ✓ · challenge · builds on install Web ExploitationMiscellaneousRemote Code Execution T The Red Trails Chapter II Shut down the digital organ-trafficking network by dismantling their entire infrastructure by selfmade ✓ · challenge · ready MiscellaneousPrivilege EscalationNetwork T The Shadow Partner Break through their intelligence and retrieve the cybercriminals’ hidden future plans. by selfmade ✓ · challenge · ready AI & LLM Security U U-Boot Lab U-Boot is an open-source bootloader used in embedded systems to initialize hardware and lo by selfmade ✓ · app · ready Embedded & FirmwareHardware & ElectronicsIDE & Code Server