spraay_webhook_register

SERVERSpraay X402 Mcp SOURCEspraay-x402-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-plagtech-spraay-x402-mcp/spraay-webhook-register.md

WHAT IT DOES

What spraay_webhook_register does on Spraay X402 Mcp

AI agents use spraay_webhook_register to create or update resources in Spraay X402 Mcp, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Spraay X402 Mcp environment.

RISK

Why spraay_webhook_register is rated Medium

This tool creates a new webhook configuration that persists in the database (Supabase), making it a Write operation that modifies system state. The high severity reflects the risk that a compromised agent could register malicious webhooks to intercept payment/escrow/swap events, potentially enabling payment interception, fraud, or phishing attacks.

From the tool's definition Register a webhook endpoint to receive real-time POST events for payments, escrows, swaps, invoices, and more. Returns webhook ID and HMAC secret for signature verification. Data persists in Supabase.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs spraay_webhook_register safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Spraay X402 Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For spraay_webhook_register, this is the rule to start with:

spraay_webhook_register Rate-limited

spraay_webhook_register stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "spraay_webhook_register": {
      "limits": [
        {
          "counter": "spraay_webhook_register_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Spraay X402 Mcp, apply this rule, and every spraay_webhook_register call is checked against it from then on.

FAQ

Questions about spraay_webhook_register

What does the spraay_webhook_register tool do? +

Register a webhook endpoint to receive real-time POST events for payments, escrows, swaps, invoices, and more. Returns webhook ID and HMAC secret for signature verification. Data persists in Supabase. Costs $0.003 USDC. It is categorised as a Write tool in the Spraay X402 Mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on spraay_webhook_register? +

Register the Spraay X402 MCP server in PolicyLayer and add a rule for spraay_webhook_register: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Spraay X402 Mcp. Nothing to install.

What risk level is spraay_webhook_register? +

spraay_webhook_register is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit spraay_webhook_register? +

Yes. Add a rate_limit block to the spraay_webhook_register rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block spraay_webhook_register completely? +

Set action: deny in the PolicyLayer policy for spraay_webhook_register. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides spraay_webhook_register? +

spraay_webhook_register is provided by the Spraay X402 MCP server (spraay-x402-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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team_manager_register_agents on Team Manager MCP → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →