Configcat MCP Server

by configcat Your server? Claim it

local only

Configcat runs on your own machine — the client starts it, so there is no endpoint to ping. 953 installs a week from npm. Last commit 10 Sep 2026.

Enables AI agents to interact with ConfigCat, a feature flag service for teams.

Installs per day peak 457 · avg 93 · +214% w/w

a month agotoday

953

Installs / week

npm · @configcat/mcp-server

Stars

0 open issues

10 Sep 2026

Last commit

0 releases in 90 days

MIT

License

TypeScript

Nothing serious here today

Today is the operative word: we check Configcat every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp-server -- npx -y @configcat/mcp-server

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server": {
      "args": [
        "-y",
        "@configcat/mcp-server"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.mcp-server]
command = "npx"
args = ["-y", "@configcat/mcp-server"]

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-server": {
      "args": [
        "-y",
        "@configcat/mcp-server"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "mcp-server": {
      "args": [
        "-y",
        "@configcat/mcp-server"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: CONFIGCAT_API_USER (ConfigCat Management API basic authentication username.), CONFIGCAT_API_PASS (ConfigCat Management API basic authentication password.), CONFIGCAT_BASE_URL (Base URL for the ConfigCat API. Defaults to `https://api.configcat.com`.). The author declared them in the registry entry; get the values from the project itself.

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Configcat — questions

Answers built from our own checks of this server.

Why is there no uptime for Configcat?

Configcat runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @configcat/mcp-server was installed 953 times last week.

How do I connect Configcat?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls @configcat/mcp-server straight from npm; nothing to host, nothing to sign up for.

How many people use Configcat?

The npm package @configcat/mcp-server was installed 953 times in the last week. Week over week that is +214%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Configcat open source?

Yes — it is published under the MIT licence, written in TypeScript and 17 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.