What is liquid?
liquid is a MCP server by ertad-family that connect agents to any REST API on the fly: maps the API once, then fetches typed data deterministically without per-call LLM use. Self-hosted. It is listed under Other and has 3 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | ertad-family |
| Repository | ertad-family/liquid |
| Popularity | 3 GitHub stars |
| Category | Other |
| Security | Low risk (84/100) |
| Rank | #2,465 of 4,418 MCP servers; #378 in Other |
| Last commit | 2026-06-09 |
| Runs | Locally and in the cloud |
| Language | Python |
Is liquid safe to install?
liquid scores 84/100 on the MCPMods security check: Low risk. Things to review: sends your data to a cloud service. 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 |
| Sends your data to a cloud service | Review |
| No credentials mentioned | Pass |
| Read-only by description | Pass |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install liquid?
- 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/ertad-family/liquid
- 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 liquid -- <command from README> claude mcp add --transport http liquid <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 liquid for you:
Add the "liquid" MCP server from https://github.com/ertad-family/liquid 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.