Configcat runs on your own machine — the client starts it, so there is no endpoint to ping. 1 802 installs a week from npm. Last commit 2 Nov 2026.
Enables AI agents to interact with ConfigCat, a feature flag service for teams.
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 mcp add mcp-server -e 'CONFIGCAT_API_USER=<CONFIGCAT_API_USER>' -e 'CONFIGCAT_API_PASS=<CONFIGCAT_API_PASS>' -- npx -y @configcat/mcp-server{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@configcat/mcp-server"
],
"env": {
"CONFIGCAT_API_PASS": "<CONFIGCAT_API_PASS>",
"CONFIGCAT_API_USER": "<CONFIGCAT_API_USER>"
}
}
}
}[mcp_servers.mcp-server]
command = "npx"
args = ["-y", "@configcat/mcp-server"]
env = { CONFIGCAT_API_USER = "<CONFIGCAT_API_USER>", CONFIGCAT_API_PASS = "<CONFIGCAT_API_PASS>" }{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@configcat/mcp-server"
],
"env": {
"CONFIGCAT_API_PASS": "<CONFIGCAT_API_PASS>",
"CONFIGCAT_API_USER": "<CONFIGCAT_API_USER>"
}
}
}
}{
"servers": {
"mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@configcat/mcp-server"
],
"env": {
"CONFIGCAT_API_PASS": "<CONFIGCAT_API_PASS>",
"CONFIGCAT_API_USER": "<CONFIGCAT_API_USER>"
}
}
}
}Put your own values in place of
<CONFIGCAT_API_USER> (ConfigCat Management API basic authentication username), <CONFIGCAT_API_PASS> (ConfigCat Management API basic authentication password).
The author’s registry entry marks them as required.
Optional settings from the registry entry, left out of the block above:
CONFIGCAT_BASE_URL (Base URL for the ConfigCat API. Defaults to `https://api.configcat.com`).
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Configcat — questions
Answers built from our own checks of this server.