What is aegis?
aegis is a MCP server by wei9072 that admission control for agent file edits: checks syntax, structural-cost regressions and workspace boundaries, returning BLOCK, WARN or PASS verdicts. It is listed under Security and has 1 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | wei9072 |
| Repository | wei9072/aegis |
| Popularity | 1 GitHub stars |
| Category | Security |
| Security | Low risk (84/100) |
| Rank | #3,611 of 4,418 MCP servers; #208 in Security |
| License | MIT |
| Last commit | 2026-05-07 |
| Runs | Locally |
| Language | Rust |
| Platforms | macOS, Windows, Linux |
Is aegis safe to install?
aegis scores 84/100 on the MCPMods security check: Low risk. Things to review: can take actions such as send, write or deploy. It passed 4 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 |
| No credentials mentioned | Pass |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install aegis?
- 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/wei9072/aegis
- 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 aegis -- <command from README> claude mcp add --transport http aegis <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 aegis for you:
Add the "aegis" MCP server from https://github.com/wei9072/aegis 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.