Deterministic AI-liability attribution: signed, Bitcoin-anchored vendor/deployer/user fault split.
Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"faultkey": {
"args": [
"-y",
"causallayer-mcp"
],
"command": "npx"
}
}
}Are you the author?
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Deterministic fault math for multi-party AI incidents. When an AI causes harm and three parties argue over who pays, FaultKey returns a signed, Bitcoin-anchored certificate of fault allocation in under 200 ms — no LLM, no probabilistic scoring, no vendor cooperation needed for a third party to verify.
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'causallayer-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories — click any category to see the underlying evidence.
No known CVEs.
Checked causallayer-mcp against OSV.dev.
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Deterministic fault math for multi-party AI incidents. When an AI causes harm and three parties argue over who pays, FaultKey returns a signed, Bitcoin-anchored certificate of fault allocation in under 200 ms — no LLM, no probabilistic scoring, no vendor cooperation needed for a third party to verify.
This is the official Model Context Protocol (MCP) server for the CausalLayer engine, packaged as a Cloudflare Worker. It lets AI agents (Claude Desktop, Cursor, Cline, Continue, Windsurf) call the four core liability-attribution tools without writing a single line of integration code.
If this saves you time, give it a star — it helps others find it and tells us people care.
🎮 Try the Interactive Demo — No setup required. Pick a scenario, click "Run Analysis", see real-time liability attribution.
The public Worker is deployed on Cloudflare's global edge network and is fully functional in standalone demo mode (deterministic responses, watermarked, rate-limited 5 calls / IP / day):
https://mcp.faultkey.com/mcp (live, custom domain)https://causallayer-mcp-demo.zykm9qkk7j.workers.dev/mcp/healthz/stats (public, aggregated, no PII)Add this to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):
{
"mcpServers": {
"faultkey": {
"command": "npx",
"args": ["-y", "causallayer-mcp"]
}
}
}
Restart Claude. Type "List the FaultKey tools."
Settings → MCP Servers → Add new:
faultkeynpx -y causallayer-mcp{
"name": "faultkey",
"command": "npx",
... [View full README on GitHub](https://github.com/smq9sn5jck-coder/causallayer-mcp#readme)