What is cortex-plugin?
cortex-plugin is a MCP server by TT-Wang that claude Code memory plugin that mines past sessions for decisions, conventions and bug fixes, stores them in an Obsidian vault and briefs new sessions. It is listed under Knowledge & memory and has 32 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | TT-Wang |
| Repository | TT-Wang/cortex-plugin |
| Popularity | 32 GitHub stars |
| Category | Knowledge & memory |
| Security | Low risk (96/100) |
| Rank | #1,061 of 4,418 MCP servers; #108 in Knowledge & memory |
| License | MIT |
| Last commit | 2026-09-01 |
| Runs | Locally |
| Language | Python |
| Platforms | macOS, Linux |
Is cortex-plugin safe to install?
cortex-plugin scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 5 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 |
| Read-only by description | Pass |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install cortex-plugin?
- 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/TT-Wang/cortex-plugin
- 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 cortex-plugin -- <command from README> claude mcp add --transport http cortex-plugin <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 cortex-plugin for you:
Add the "cortex-plugin" MCP server from https://github.com/TT-Wang/cortex-plugin 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.