Kaval runs on your own machine — the client starts it, so there is no endpoint to ping. 112 installs a week from npm. Last commit 11 Sep 2026.
Verify the facts an agent's action depends on before it acts — ALLOW, REVIEW, or BLOCK.
Nothing serious here today
Today is the operative word: we check Kaval 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 kaval -- npx -y @usekaval/mcp{
"mcpServers": {
"kaval": {
"args": [
"-y",
"@usekaval/mcp"
],
"command": "npx"
}
}
}[mcp_servers.kaval]
command = "npx"
args = ["-y", "@usekaval/mcp"]{
"mcpServers": {
"kaval": {
"args": [
"-y",
"@usekaval/mcp"
],
"command": "npx"
}
}
}{
"mcpServers": {
"kaval": {
"args": [
"-y",
"@usekaval/mcp"
],
"command": "npx"
}
}
}This one needs environment variables set before it will start:
KAVAL_API_KEY (Bring-your-own Kaval bearer key (kv_live_…). Create one at https://usekaval.com.), KAVAL_BASE_URL (Point at a self-hosted or staging Kaval API instead of the hosted one. Defaults to https://api.usekaval.com.).
The author declared them in the registry entry; get the values from the project itself.
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Kaval — questions
Answers built from our own checks of this server.