API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).
Connect Runs on your machine
claude mcp add blackwall -e BLACKWALL_API_KEY=<BLACKWALL_API_KEY> -e BLACKWALL_MODE=<BLACKWALL_MODE> -- npx -y [email protected]
{
"mcpServers": {
"blackwall": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BLACKWALL_API_KEY": "<BLACKWALL_API_KEY>",
"BLACKWALL_MODE": "<BLACKWALL_MODE>"
}
}
}
}
{
"mcpServers": {
"blackwall": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BLACKWALL_API_KEY": "<BLACKWALL_API_KEY>",
"BLACKWALL_MODE": "<BLACKWALL_MODE>"
}
}
}
}
{
"servers": {
"blackwall": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BLACKWALL_API_KEY": "<BLACKWALL_API_KEY>",
"BLACKWALL_MODE": "<BLACKWALL_MODE>"
}
}
}
}
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 |
|---|---|
BLACKWALL_API_KEYRequired, secret | Your BLACK_WALL API key (bw_live_…) from https://blackwalltier.com/dashboard/keys |
BLACKWALL_MODEOptional | observe (log only, never block) or enforce (default). |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 25 Aug 2026 |
| Last updated | 25 Aug 2026 |
| Registry name | com.blackwalltier/blackwall |
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