Verify the facts an agent's action depends on before it acts — ALLOW, REVIEW, or BLOCK.
Connect Runs on your machine
claude mcp add kaval -e KAVAL_API_KEY=<KAVAL_API_KEY> -e KAVAL_BASE_URL=<KAVAL_BASE_URL> -- npx -y @usekaval/[email protected]{
"mcpServers": {
"kaval": {
"command": "npx",
"args": [
"-y",
"@usekaval/[email protected]"
],
"env": {
"KAVAL_API_KEY": "<KAVAL_API_KEY>",
"KAVAL_BASE_URL": "<KAVAL_BASE_URL>"
}
}
}
}{
"mcpServers": {
"kaval": {
"command": "npx",
"args": [
"-y",
"@usekaval/[email protected]"
],
"env": {
"KAVAL_API_KEY": "<KAVAL_API_KEY>",
"KAVAL_BASE_URL": "<KAVAL_BASE_URL>"
}
}
}
}{
"servers": {
"kaval": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@usekaval/[email protected]"
],
"env": {
"KAVAL_API_KEY": "<KAVAL_API_KEY>",
"KAVAL_BASE_URL": "<KAVAL_BASE_URL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
KAVAL_API_KEYRequired, secret | Bring-your-own Kaval bearer key (kv_live_…). Create one at https://usekaval.com. |
KAVAL_BASE_URLOptional | Point at a self-hosted or staging Kaval API instead of the hosted one. Defaults to https://api.usekaval.com. |
Details
| Package | @usekaval/[email protected] (NPM, stdio) |
| First published | 5 Aug 2026 |
| Last updated | 5 Aug 2026 |
| Registry name | io.github.LufeMC/kaval |
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