Collar Guardrail — Pre-Trade Risk Layer

Last 30 days

Uptime

100%

Response time

298 ms typical, 298 ms slowest 5%

Last check

6 h ago

Next check

in 12 min

How to call it

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "collar-guardrail-pre-trade-risk-layer": {
      "type": "http",
      "url": "https://api.collarguardrail.com/mcp-http/mcp"
    }
  }
}

6 tools

• evaluate_trade

  Pre-trade risk check for a proposed trade. Call this BEFORE executing any trade and treat a "deny" decision as a hard stop. Evaluated at a fixed Tier 1 ceiling ($5,000 notional). For higher limits, use `evaluate_trade_paid` (Tier 2, $25,000) which settles an x402 payment on-chai

• evaluate_trade_paid

  Pre-trade risk check gated by an x402 payment. Evaluated as COLR Tier 2: $25,000 notional ceiling, 10/25 per-minute rate limits. No COLR holdings are required — the on-chain payment is the credential. FLOW ---- 1. Call WITHOUT payment_proof → the tool returns a `PaymentRequir

• check_token_safety

  Honeypot / contract safety check for any ERC-20 token.

• simulate_balance

  Simulate a wallet's ERC-20 balance after a hypothetical trade using eth_call state override. Read-only: no transaction is ever sent.

• get_supported_assets

  List every asset in the guardrail's official Robinhood Chain registry, with its canonical contract address.

• verify_audit_trail

  Verify the tamper-evident audit trail for a wallet's past guardrail decisions.

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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