What is mcp-server?
mcp-server is a MCP server by configcat that configCat feature flag platform: manage feature flags, configs, environments, products and organizations. It is listed under Developer tools and has 17 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | configcat |
| Repository | configcat/mcp-server |
| Popularity | 17 GitHub stars |
| Category | Developer tools |
| Security | Review before installing (76/100) |
| Rank | #1,398 of 4,418 MCP servers; #332 in Developer tools |
| License | MIT |
| Last commit | 2026-10-14 |
| Runs | Cloud service |
| Language | TypeScript |
Is mcp-server safe to install?
mcp-server scores 76/100 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 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 |
|---|---|
| Published by the service itself | Pass |
| 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 mcp-server?
- 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/configcat/mcp-server
- 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 mcp-server -- <command from README> claude mcp add --transport http mcp-server <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 mcp-server for you:
Add the "mcp-server" MCP server from https://github.com/configcat/mcp-server 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.