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FaultKey · CausalLayer: MCP server (Cloud & DevOps) in 2026

Deterministic AI-liability attribution: signed, Bitcoin-anchored vendor/deployer/user fault split.

Verified working on 2026-10-27 Rank 10 of 24 in Cloud & DevOps. Source: MCP Registry record, checked 2026-10-27.

Key facts

TypeMCP server, remote (streamable HTTP)
CategoryCloud & DevOps
Endpointhttps://causallayer-mcp-demo.zykm9qkk7j.workers.dev/mcp
Registry nameio.github.smq9sn5jck-cloud/causallayer-mcp
Version (registry)0.2.0
Published in registry2026-05-16
Registry record updated2026-05-16
Repositoryhttps://github.com/smq9sn5jck-coder/causallayer-mcp
Websitehttps://faultkey.com
AuthenticationNone needed for initialize and tools/list (checked anonymously)
Latest checkUp on 2026-10-27, 887 ms to initialize
Tools listed10
Checks passed1 of 1 daily checks
Last verified working2026-10-27
Sourcehttps://registry.modelcontextprotocol.io/v0/servers/io.github.smq9sn5jck-cloud%2Fcausallayer-mcp/versions/latest (pulled 2026-10-27)

Tools (10)

submit_incident, verify_certificate, verify_certificate_recompute, submit_otel_trace, simulate_remediation, query_jurisdiction_overlay, evaluate_prospective_response, get_anchor_status, query_issuer_registry, extract_incident

Verification history

One probe a day: initialize, then tools/list, nothing else. Last 1 checks: 10-27 up

Install

Claude Code
claude mcp add --transport http causallayer-mcp https://causallayer-mcp-demo.zykm9qkk7j.workers.dev/mcp
Claude (claude.ai, Desktop)

Settings > Connectors > Add custom connector. Name: FaultKey · CausalLayer. URL: https://causallayer-mcp-demo.zykm9qkk7j.workers.dev/mcp

Cursor
{
  "mcpServers": {
    "causallayer-mcp": {
      "url": "https://causallayer-mcp-demo.zykm9qkk7j.workers.dev/mcp"
    }
  }
}

Save as ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

ChatGPT

Settings > Connectors > Advanced > Developer mode, then Create. Name: FaultKey · CausalLayer. MCP server URL: https://causallayer-mcp-demo.zykm9qkk7j.workers.dev/mcp. Authentication: No authentication.

Custom connectors need a plan with Developer mode; menu names change between releases.

Hermes Agent
mcp_servers:
  causallayer-mcp:
    url: "https://causallayer-mcp-demo.zykm9qkk7j.workers.dev/mcp"

Add to ~/.hermes/config.yaml, then run /reload-mcp.

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