What is stellarjay?
stellarjay is a MCP server by kyle-visner that safe write access for AI agents: an append-only business fact store where every change is kept, attributed to the agent that made it, and can be undone (`undo_changes`). Self-host with. It is listed under Knowledge & memory and has 9 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | kyle-visner |
| Repository | kyle-visner/stellarjay |
| Popularity | 9 GitHub stars |
| Category | Knowledge & memory |
| Security | Review before installing (72/100) |
| Rank | #1,804 of 4,418 MCP servers; #200 in Knowledge & memory |
| License | AGPL-3.0 |
| Last commit | 2026-10-16 |
| Runs | Locally and in the cloud |
| Language | Go |
| Platforms | macOS, Windows, Linux |
Is stellarjay safe to install?
stellarjay scores 72/100 on the MCPMods security check: Review before installing. Things to review: sends your data to a cloud service; 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 |
| Sends your data to a cloud service | Review |
| 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 stellarjay?
- 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/kyle-visner/stellarjay
- 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 stellarjay -- <command from README> claude mcp add --transport http stellarjay <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 stellarjay for you:
Add the "stellarjay" MCP server from https://github.com/kyle-visner/stellarjay 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.