What is cybersec-toolkit?
cybersec-toolkit is a MCP server by 26zl that install a large security toolset and discover and run it through an authorization-gated server for CTF, pentesting, bug bounty and DFIR. It is listed under Security and has 76 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | 26zl |
| Repository | 26zl/cybersec-toolkit |
| Popularity | 76 GitHub stars |
| Category | Security |
| Security | Low risk (80/100) |
| Rank | #694 of 4,418 MCP servers; #28 in Security |
| License | MIT |
| Last commit | 2026-10-15 |
| Stars this week | +7 |
| Runs | Locally |
| Language | Python |
| Platforms | Linux |
Is cybersec-toolkit safe to install?
cybersec-toolkit scores 80/100 on the MCPMods security check: Low risk. Things to review: can take actions such as send, write or deploy. It passed 3 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Runs on your machine only | Pass |
| Needs an API key or account login | Note |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install cybersec-toolkit?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/26zl/cybersec-toolkit
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add cybersec-toolkit -- <command from README> claude mcp add --transport http cybersec-toolkit <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs cybersec-toolkit for you:
Add the "cybersec-toolkit" MCP server from https://github.com/26zl/cybersec-toolkit to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.