Install Blackwall in Claude Code
claude mcp add blackwall -e BLACKWALL_API_KEY=... -- npx -y blackwall-mcp{
"mcpServers": {
"blackwall": {
"command": "npx",
"args": [
"-y",
"blackwall-mcp"
],
"env": {
"BLACKWALL_API_KEY": "..."
}
}
}
}Replace each ... with your own value.
Frequently asked questions
What does the Blackwall MCP server do?
Risk gate that agents call before irreversible actions, returning a risk score, reversibility class, red flags and a proceed/confirm/human-required decision.
Is the Blackwall MCP server free?
The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.
Does Blackwall run locally or remotely?
Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.
How do I add Blackwall to Claude Code?
Run: claude mcp add blackwall -e BLACKWALL_API_KEY=... -- npx -y blackwall-mcp
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